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  1. Dear Friends, Continuing from the previous Dev Diary, this time we'll tell you about the second important addition (well, depending on your personal preference it may be the first important addition actually) coming in our next update - version 4.008. The P-47D-22 "Razorback", the first aircraft of Battle of Normandy, will kick off the Early Access program for this module. The main difference from the P-47D-28 you have flown in Bodenplatte is the cockpit canopy design with significant canopy framing and dorsal spine behind it. The front part of the canopy includes two angled parts and a windshield center post that would have blocked the view through the gunsight if it was installed in the center, so the gunsight was moved to the right like in the German fighters. The space between the gunsight and the angled windshield parts is occupied by the armored glass protecting the pilot from fragments and small-caliber projectiles coming from the forward hemisphere. On the top of the framing, a rear-view mirror is installed - it was standard-issue, not an optional modification. Contrary to the P-47D-28, the canopy was opened in a classic way, manually, and not by a fancy electric motor. The "Razorback" had a different propeller than the D-28 and the propeller pitch was controlled by hydraulics, not an electrical drive which had no manual mode. The P-47D-22 can use high-octane fuel, which affects the engine power, and the good news is that P-47D-28 will receive this option in the next update as well. As we have stated many times before, we don't forget about a module after its release date and will always continue to improve it and add new features whenever possible. While we were working on the Razorback, its successor from Bodenplatte got the same flight model refinements as well: for instance, the effectiveness of the flaps has been reduced somewhat and the aircraft behavior beyond stall angles has been corrected - it won't stall so unpredictably and will indicate the coming stall by buffeting and lowering the nose. The load on the control surfaces have been corrected as well - the ailerons are affected by the ram air a bit earlier, but the load increases at higher speeds more smoothly and the elevator load at high speeds was also reduced somewhat. The Mach number effect on the controls has been additionally adjusted. Overall, this resulted in better compliance with the reference data for roll speed and increased Mach-tuck tendency at high speeds. In general, P-47 now feels more like a heavy machine it was. It is interesting to note that while Razorback was an earlier model than D-28, it has a bit higher climb rate and significantly (+27 kph) speed at emergency engine mode. To a degree, this difference comes from a different propeller, but mainly it was caused by the dorsal spine. Bubble canopy, while being vastly superior for offering a much better view, creates flow swirling behind them. Dorsal spine fairing increases the lift-drag ratio of a plane. Bodenplatte fans will be happy to hear that we are going to insert the D-22 into the BOBP Pilot Career once the plane is finished. Some Razorback models were still in operation during this period so you will be able to fly them and against them in the BOBP Career before the Normandy Career is ready. However, you will need to have purchased BON to have access to their cockpits in BOBP. This gives an added benefit to participating in BON Early Access. Would-be Razorback pilots - it's time to enlist! To complete today's Dev Blog, we would like to showcase another improvement that we did exclusively for our previous projects - new early Luftwaffe pilot winter uniform which will be later used for all fighters and then bombers from Battle of Moscow and Battle of Stalingrad:
  2. Hello! Today there will be a very small issue of diaries for the reason that we are preparing a release candidate for version 4.008, which we told you about before, we are doing the final tests so there is a lot of work and little time. However, even if this DD is short, it’s still significant - because for the first time we will show you screenshots of one of the English planes that will be in Battle of Normandy – the Supermarine Spitfire Mk.XIVc. In fact, this aircraft will have an additional modification with heavy machine guns, the Spitfire Mk.XIVe, but we will show you that version a bit later. This plane is quite different from the MK. IX Spitfire, which was previously included in BOBP. The main thing that catches your eye is the massive 5-rotor Rotol propeller, driven by the Rolls-Royce Griffon engine. To provide a much more powerful engine with sufficient cooling, radiators of a larger area are installed on the aircraft. Also, the tail area had to be increased for added stability. The aircraft will be presented with two types of weapon configurations - modification "c" with two 20mm guns and 4 x 7.69 machine guns, and modification "e" with two 20mm guns and 2 x 12.7mm machine guns. A 150-octane fuel option will also be available causing the already powerful engine to develop up to 2,200 horsepower. Work on this legendary aircraft is at a rather early stage, but much has already been done as you can clearly see in a small selection of screenshots:
  3. Hello and welcome to the second Part of a very interesting Interview with the Developers of the IL-2 Sturmovik Great Battles Series
  4. Hello and welcome to the first Part of a very interesting Interview with the Developers of the IL-2 Sturmovik Great Battles Series
  5. Hello everyone! As time goes on, the release date for the next update is approaching. As we said earlier, one of the central objects of this update will be a German tank destroyer - a self-propelled artillery Sd.Kfz.184 "Ferdinand". As many of you know, this monster was the result of the loss of Ferdinand Porsche in the competition for the creation of a heavy breakthrough tank for the Wehrmacht. That competition was won by the "Pz.Kpfw.VI Tiger" developed by Henschel. Porsche’s loss was caused by the extraordinary, even for the Germans, the complexity of the chassis. However, in the course of this rivalry, Porsche produced a significant amount of the chassis of a new type of heavy tank. This was subsequently used to create the most powerful and protected, at the time of the Battle of Kursk, anti-tank armored fighting vehicle in the world. On the Porsche chassis, an armored fighting compartment was installed, protected in the frontal projection by a 200mm armored plate, the weight of which was similar to the weight of a large truck. Even the Tiger gun is not able to penetrate this 200mm obstacle when using armor-piercing shells and 152mm armor-piercing shells of the ML-20 howitzer can't do it either. To bring the frontal armoring of the front of the hull in line with the existing 100mm armor plates, an additional piece of 100m armor was installed. The sides and rear of the vehicle were protected by 80mm armor plates, which were an extremely difficult, almost insurmountable obstacle for 76mm Soviet armor-piercing shells. The roof and the bottom of the hull were also armored considerably. The weak spots include the roof of a large-scale engine compartment, which was located in front of the tower and could be hit by large-caliber high-explosive fragmentation shells when they burst on the front armor plate of the fighting compartment. Also, the tank’s weak point is the relatively thin armor of the cooler exhaust manifold of the electric propulsion motors - a significant part of ammo is 'conveniently' located just above it. It is worth to note the completely unprotected gunsight of the main and only gun, located on the roof of the fighting compartment. The Ferdinand is armed with an extremely powerful 88mm KwK-43 L / 71 gun, that was created on the basis of the Flak 41 long-barreled anti-aircraft gun, while the shorter Tiger gun (also 88mm) was created on the basis of the shorter Flak 37 anti-aircraft gun. Firing a similar armor-piercing projectile, but with a more powerful charge and a longer barrel length, the KwK-43 L / 71 gun accelerated it to 1000 m/s against 800 m/s in the KwK-36. The Ferdinand had no machine guns at the time of the Battle of Kursk. The disadvantages of its armament include a panoramic sight that is not very useful in anti-tank combat since it doesn't allow entering corrections in the field of view (it had a significant degree of amplification though), and a low horizontal aiming speed. But the most remarkable feature of the "Ferdinand" is it’s progressive and promising, but very controversial electrical powertrain. This is one of those cases when technical thought was far ahead of technical capabilities. The idea of refusing the mechanical transmission of torque from the power plant to the propulsion system, which is widely used today in heavy equipment, at that time led to very serious problems. The electric drive motors gave an increase in speed, but with a significant loss of torque on the tracks. So the efficiency of the power plant as a whole, even when on a flat surface, was so low the vehicle could not reach speeds more than 20 km/h. Even with a huge fuel reserve of 950 liters, the range was just 150 km on the highway. Also, due to the features of the electric motors, the power plant had a reduced efficiency when driving backward. To supply the required amount of electric energy, two engines from the Pz.Kpfw.IV tanks were installed in the Ferdinand, each with a corresponding DC generator. Both generators were connected to a single line that supplied current to the electric motors, and each of the motors had its own regulator to control the speed and direction of movement. This made it possible to continue driving even if one engine or generator failed. The high cost of materials required for the production of windings, conductors and switches of the electrical powertrain, the use of two engines, plus its huge mass of 65 tons led to extremely serious technological and operational difficulties even for such a rich and industrialized country as wartime Germany. That is why the competition was won by the more traditional and easier to produce Tiger-I of Henschel design even though the Tiger from Henschel was also not a cheap tank by any means and the labor costs for its production were many times higher than required for a mass-produced T-34. On the other hand, the simplicity and ease of control of the tank, as well as the softness of the ride were a bonus to those who manned it. The ability to turn the vehicle on the spot without using advanced mechanical systems required for a traditional powertrain was a welcome bonus. Nevertheless, with all the technological and operational difficulties it had, this combat vehicle during the Summer of 1943 was the most dangerous on the battlefield - if it was able to reach it in time to participate in a head-on tank battle. It was important for us to recreate it as close to the real one as possible, just like all the vehicles we already have in Tank Crew, and it was really hard to do. There is only one early Ferdinand remaining in the world - #501, it is located in the armored forces museum in Kubinka near Moscow. Another one, later modification called Elefant with a commander cupola and MG installed, is in the US. The available documentation is very segmentary, short and incomplete. However thanks to the effort of our partners in Digital Forms and application of cross-checking analysis, we have one of the best recreations of this combat vehicle available. From our side, we contributed to the recreation of its maneuverability, armament and systems functioning peculiarities, which required a lot of work as well. On the screenshots, you see exactly that Ferdininand #501 that was captured in the Kursk battle and ended in the Kubinka museum. The last what we want to tell you about this tank destroyer - its release will complete the lineup of the combat vehicles we planned to recreate together with Digital Forms for the Tank Crew - Clash at Prokhorovka project. This moment will be a very important milestone in the history of our project. It won't mark the end of the work on this project - as usual, we continue to support, improve and deepen all our projects after the official release date. IL-2 Sturmovik and Digital Forms teams hope you'll enjoy the result of our joint effort.
  6. 253 Hello Everyone! Summer has finally come to us, but this is not a reason to relax and slow down - the work continues. Work is going on in many directions at once, especially now, when in the next big update, we will see two major events. First, the readiness and release of the American P-47D-22 "Razorback" fighter, which will mean the beginning of the Early Access stage of Battle of Normandy. Second, this is the completion and release of the German tank destroyer Sd.Kfz.184 "Ferdinand", which will mark the completion of all the planned tanks in Tank Crew. Although, this does not mean we will stop working on it, more improvements will be made in the coming months, several are being designed and prepared now. Several aircraft, six in total, both for BON and a Collector’s aircraft, are currently under development. The P-51B, P-47D-22, C-47, Spitfire Mk.XIV, Typhoon Mk.Ib and Hurricane Mk.II are all on the production line at once, many of them are in a fairly high degree of readiness. For those who keep asking about the status of the Hurricane, today we will show you a couple of Work in Progress screenshots of the cockpit: Creating new aircraft is not the only thing our team is busy with right now. Having finished work on the airframe damage model airframe and control linkages, we smoothly proceed to the development of a more detailed model of fuel systems and their damage. After completing the next iteration of improving lower level logic for air combat AI fighter aircraft - maneuvering and aiming, we have moved on to improvements in matters of the upper level - the choice of targets and operational solutions. Work on the creation of the “Battle for Normandy” map has been launched on all fronts, its borders have been defined, a prioritized list of cities and airfields has been compiled, work has begun on the creation of ground equipment, and a list of development sites is under final approval before production begins. All these works are proceeding in accordance with the approved development plan and, at the moment, we have no serious deviations - we hope that this will continue in the future. In parallel with this, work continues on updating the flight crews for all previous projects, and a German pilot in early winter uniforms will be ready soon. And at the same time, owners of the U-2VS airplane, we have some good news: a special and famous pilot model is ready for this aircraft in three uniforms (summer pre-1943 and 1943+ and winter). However, such news, of course, is better to see than to read: You can discuss the news in this thread
  7. Update 4.007 Dear friends, We've decided to release the new update 4.007 relatively soon after the previous one, because the fixes and improvements it brings, while not being major, are nevertheless important for the project as a whole. We have heard your feedback on the view system improvements, added new options to the multiplayer functionality, which govern the usage of graphical mods, in addition, we did additional research on the workarounds for the Direct 3D functionality not supported by one of the graphics cards vendors. Damage modeling has been improved to take into account the control systems damage (rods, wires, etc.). We have also added a new German pilot model in the early summer uniform. The full list of changes follows: 1. Ju 87 D-3 dive bomber has been upgraded to 4K external texturing thanks to Martin =ICDP= Catney, including two additional official skins; 2. Aircraft control systems DM has been upgraded. The probability of losing control in a certain control axis depends on the control wires or rods configuration of a particular aircraft and existence of a reserve control channel (or its lack thereof); 3. Workarounds for the remaining graphical artifacts on AMD cards (like black contour around the aircraft when viewed from its cockpit) have been implemented; 4. New multiplayer server option “Restrict Injectors” allows the server hosters to restrict access for users with graphics injectors like Reshade or 3dmigoto; 5. Five new mappable (RCtrl+NumPad_Del,1,2,3,0 by default) zoom commands have been added that allow quick zooming to various degrees (minimal, maximal and 3 intermediate levels). Zoom value set by a mouse or joystick axis or keyboard keys is not affected by the new quick zoom and after releasing a quick zoom button the FOV will return to the one set by an axis. These new commands work in either 2D or VR mode. The old 'VR zoom' command has been deprecated (its equivalent is the new maximum quick zoom, RCtl+NumPad_0); 6. There is a new setting in the Camera options that governs the speed of the new zoom commands; 7. Tank commander binoculars give three times more powerful zoom than before (they give a minimal FOV that is technically possible in the game); 8. The current FOV (Field Of View) value is shown next to the in-game FPS counter (that is activated by Backspace key by default); 9. Gunsight FOVs have been corrected for all tanks; 10. German fighter pilots of the Battle of Moscow, Battle of Stalingrad and Battle of Kuban have a new visual model and a sidearm during Summer (new Winter model, also with a sidearm, will be added later when it is ready). Because of this, the default camera position and user-customizable snapviews (.svc files) were changed on Bf 109-G14, Bf 109-K4, Me 262-A, Fw 190-A3, Fw 190-53, Fw 190-A8 and Fw 190-D9. The updater should overwrite the old files for these planes with the new updated ones for you, but in case this action was blocked by antivirus software on your PC and you see a wrong view in the cockpit of these aircraft in the game, please copy the new default .svc files for these aircraft from \data\LuaScripts\snapviews\defaults to \data\LuaScripts\snapviews manually. If you haven't customized the view positions on other aircraft, you can just copy all the files from snapviews\defaults to snapviews folder; 11. Bomb holders on both Bristol Fighters appear correctly depending on the ammo loadout; 12. Pedals on both Bristol Fighters appear correctly in a neutral position; 13. The issue that made the detached parts of Flying Circus aircraft invisible in the multiplayer has been found and fixed; 14. Fw 190 D-9 canopy glass appear correctly at medium distances; 15. Fw 190 D-9 oil on windshield visual effect has been restored; 16. Destroyed static KV-1 model won't have white tracks when viewed from a distance; 17. Tank turret turn indicator won't visually 'jump' when passing the back position; 18. APHE rounds stopped by the armor won't damage outside objects; 19. Train wagons won't appear detached from the locomotive in some missions; 20. Guest crew members in multiplayer will correctly hear the sound of the tank turret turning; 21. Guest crew members in multiplayer will correctly hear the sounds of the hatches closing or opening; 22. Certain HE rounds explosions can be heard from an aircraft cockpit; 23. The arm model has a correct sidearm in it in VR mode; 24. The arm model won't drop a shadow when there is no body rendered; 25. The arm model has the correct size in VR mode; 26. Missing road segments that sunk inside the terrain have been corrected on Kuban map; 27. Random CTD in multiplayer fixed in case when other player tank have been spawned. Please discuss the update in this thread.
  8. Hello friends, As you know, the recently released update 4.006 brought many important and interesting changes. Our work continues and soon we will start to prepare the new update 4.008 that is planned to include P-47D-22 "Razorback" fighter for Battle of Normandy and tank destroyer Sd.Kfz.184 "Ferdinand" for Tank Crew. You may have noticed and wondered why the mission number isn't 4.007? The answer is that we plan to release an intermediate update before that, it will add some important functionality and new features. They will be based on your feedback mostly and will bring some features long-awaited by the community. The update 4.007 is already in beta testing and we hope it will be ready in the coming week. Among other changes it will include 4К quality external texturing by Martin =ICDP= Catney for the legendary Ju-87D-3 from Battle of Stalingrad, here are some screenshots of it: Speaking on the update 4.008, which is planned for late June - early July, we have also something to show you already. Another legendary plane, P-47D-22 "Razorback", will begin the Early Access for Battle of Normandy: You can discuss the news in this thread
  9. Dear Friends, Today we'd like to present you the final part of the Stalingrad trilogy, the ending of the story that started in "Blazing Steppe" and continued in "Fortress on the Volga" campaigns. The new campaign will tell you about the combat operations of the Soviet IL-2 attack planes in December 1942. The development of the third part took much longer than we initially expected, partly because of the need to research a huge amount of data from the archives telling about the actions of the three Soviet Fronts and Air Armies, but the result will prove itself worthy of the effort spent. We are proud to announce the Pre-Order of the new historical Campaign "Ice Ring" for IL-2 Sturmovik: Battle of Stalingrad. Basing on the combat order records and operational reports of the Soviet 8th Air Army, we have managed to recreate an absolutely unique history of combat operations of the 226th Ground-Attack Air Division regiments. The campaign consists of three large stages, during which you'll operate from 4 different airfields and take part in the most dramatic events of the final part of the Battle of Stalingrad. The successful counter-offensive of the Red Army in November 1942 led to the encirclement of the 284 thousands troops including the German 6th Army and 4th Tank Army, as well as Romanian divisions. Then the task of supplying the troops was assigned to the transport and bomber units of the Luftwaffe, so the first part of the new campaign is dedicated to the very beginning of the Soviet air blockade formation. At the end of November, the command of the Soviet 8th Air Army issued an order to relocate the 235th Fighter Air Division to the south of the city. It was also decided to form a special air group of IL-2's pilots from the 226th ShAD who were experienced in dogfights and flying in difficult weather conditions and place it under the 235th IAD headquarters command. During this period, you'll fly reconnaissance flights, search and destroy German transport aircraft in the air and strike at their take-off and landing airfields inside the cauldron. The situation of the encircled enemy group on December 2-6, 1942 from the reporting map of the Don Front and the situation at the morning of December 2nd from the campaign map. In mid-December, when the special air group was disbanded, you'll return back to your regiment. Against the background of the ongoing reorganization in the division and the beginning of the enemy offensive from the direction of Kotelnikovo (Operation "Winter Storm"), you'll have to fly several combat missions directly against the surrounded German troops. At the end of the campaign, when the situation on the southern flank of the Stalingrad Front becomes critical, you'll be sent to the most threatened sector. As part of a hurriedly formed ground attack air group, you'll take part in the heaviest battles on the Myshkova River, which determined the outcome of the entire German counter-offensive and sealed the fate of the troops surrounded in and near the devastated city. Events on the Myshkova River from December 22 to 26, 1942 from the reporting map of the Stalingrad Front and the situation in the middle of December 22nd from the campaign map. You'll fly 15 combat missions on the IL-2 AM-38 (model 1942), about 7 hours of gameplay in total. The new campaign is scheduled to be released in Summer 2020. The IL-2 Sturmovik Team
  10. Attention Pilots! Update 4.006 will probably be released on Tuesday May 19th (tomorrow) if all goes well. If not, we'll try again on Wednesday. So back up anything you want backed up before you attempt the update. This will be a big one, maybe backup your entire IL-2 install folder just in case. Update servers will likely be jammed for a while so please have a bit of patience with us. This update is JAM PACKED with good stuff. We think you'll like it a lot. Also, I will leave the Yak-9 and Yak-9T Pre-Order discount live for a few more days, but hurry it will end soon! These Yaks are worth every penny. A lot of fun! Buy Here! Some great skins for the Yak-9 are included. Finally a Soviet fighter with good performance and a 37mm punch! Sizzler!
  11. Dear friends, Update 4.006 will be released soon and we can show you more of the coming improvements. Today we'd like to demonstrate how the aircraft materials and textures will look in the new renderer compared to the old one. For instance let's look at La-5 series 8, He 111 H-6, P-38J-25, Albatros D.Va: We also have good news about the changes in 4.006. First, the airframe damage model for the WWI planes will be tuned according to your feedback. Second, the ships in the sim will have more advanced physical models - they will be able to run aground, receive an impulse from collisions, etc. - this is important for the Battle of Normandy where they played a major role. Third, according to Tank Crew players' feedback, we added a server option to disable tank AI gunners in multiplayer. Another option that has been requested for a while - now tech chat messages are a difficulty option so the players will be on equal terms in multiplayer. Our engineering department improved the FM and systems modeling for a number of planes, including Yak-7 and Bf-110. Tank Crew assault guns will be able to fire indirectly at a heading and distance set by the gun or platoon commander. In the graphics department, we're adding an alternative antialiasing method, FXAA, which trades some AA quality for a noticeable performance boost. It also has a side effect of somewhat improving the visibility of the contacts against the ground, especially when used in conjunction with the "Sharpen" graphics option. Several planes from already released modules will get the 4K quality external textures and the rivers and sea will get the updated water surface visualization. As usual, the full list of the changes and improvements will be available at the update launch and it is already close to 70 items total. We're hoping that the next update will be another step forward in the development of the project and you, our customers, will enjoy it. And to finish today's Dev Blog, here are a couple of Yak-9 and Yak-9T Collector Planes screenshots from our Producer: You can discuss the news in this thread
  12. Dear friends! We would like to congratulate you on the very important holiday - 75th Anniversary of the Victory in Europe! On this day 75 years ago the hard and long road to peace, that cost millions of lives, has finally come to its end at the European theater of the world war. The people of all nations got a second chance to live. Let's remember the heroic deeds of our ancestors and be thankful to them - even though that today's crisis and problems are significant, they can't be compared to the gravity of the situation and the hardships of those years of war. The life that was given to us by the heroic deed of our ancestors continues. Coincidentally, this is a small anniversary for our project, which is entirely dedicated to the World War II events, as well - you're reading its 250th Developers Blog. Our work on the sim also continues - in 2 or 3 weeks we plan to release the next update 4.006. It will bring not only the new player controllable machines - Yak-9 and Yak-9T Collector Planes and SU-152 assault gun for Tank Crew - but also the fundamental changes in the graphics engine: the renderer will be switched to Deferred Shading. At the moment this update is already in the beta testing and our team is working on debugging and finalizing it. The changelist will be a long one once again, it already includes more than 50 changes in different areas of the sim. To illustrate what these renderer changes add to the visuals, we want to show you the in-game screenshots of Yak-9T, which is a good aircraft to display the new graphical capabilities: Another pic we want to show you the WIP model of the early war German pilot which will be used in BoM, BoS and BoK timeframes. It's going to appear in the project a bit later, but it won't be a long wait:
  13. Il2 DD Update Dev Blog 248

    You should see the ISU-152
  14. Hello everybody, After releasing the update 4.005 last week we continued on polishing it, addressing the issues that were found after the public release. We hope to release another hotfix tomorrow that will improve the public version stability. Of course, the work on the next update is being done in parallel - for instance, the new heavy assault gun SU-152 for Tank Crew project will be finished soon. This one, being a symbiosis of a heavy tank and a heavy howitzer, really stands out. It's no wonder that such a war machine required adapting and improving the core systems to support it properly - there is no reason not to implement something created for one unit to all others that were released earlier. For instance, all 45mm and higher caliber shells that in reality did not have tracers will have a visual model of a flying shell (one for all for now) instead of a symbolical tracer. Firing the main gun without working ventilation and closed hatches will result in carbon monoxide poisoning of the crew and we created additional effects of the evacuation of the propellant fumes from the engine compartment for vehicles that used it for the fumes evacuation. The new system that allows a commander to order his gunner and other self-propelled guns under his command to fire at a specified direction and range is also almost complete. There are also finishing touches like oil pumping animation before starting the engine. The visual model of this vehicle, that probably has the most firepower in the project, is also nearly finished. We would like to emphasize that many things that were done for Tank Crew also improve the aircraft - for example, the Tank Crew separate animations tech and the new models of the Soviet and German pilots that are being created using it for BoS, BoM and BoK allow us to put American and British pilots into the lend-lease planes. This means that soon you'll be able to witness RAF and Soviet pilots in Spitfire Mk.V and Spitfire Mk.IX and RAF, USAF and Soviet ones in P-40E, P-47D and B-25D (according to what country is specified in the mission file by its author). A bit later, when we complete the required animations for the new pilot models, this will also work for A-20B and P-39L. In addition, the same approach will allow having a correct visual model depending on the timeframe: Soviet pilots will appear in correct summer uniforms depending on the mission date (there will be three different models for early war before April 1st, 1942, between April 1st, 1942 and March 1st, 1943, and late war). Later, when we have German and US pilot models ready, their uniforms will also change depending on the mission date, including the g-suit. And we plan to give all the WWII-era pilots hand weapons as a final touch in this department. You can discuss the news in this thread
  15. Update 4.005 Dear friends, The IL-2 Sturmovik team is happy to announce that another, very big and important milestone in the evolution of our project has been reached and its result is ready to be downloaded to your PCs. This time the update doesn't bring new content since the development of the new Normandy project is at the very early stage. However, it contains an enormous block of changes paramount for the IL-2 as a combat flight-sim, namely the aircraft damage model and munitions damage calculations. Earlier we have published several Dev Blogs dedicated to these changes, where they are covered in detail and how they affect the gameplay. Additionally, the external textures of four previously released aircraft are now available in 4K quality thanks to Martin =ICDP= Catney and Francisco =BlackHellHound1= Bindraban. 4 additional ground vehicles were added to the sim - two ambulances and two fuel trucks. And a new language has been added to the game - Simplified Chinese! Well, at least most of the sim is translated, some parts will have to wait. More on that below. But of course, this is not quite all we have done. The change-list contains a whopping 140 changes - this is the all-time record for our project! There are numerous improvements to the aircraft simulation, aircraft models, player controlled tanks (Tank Crew) and artificial intelligence (AI). The causes of several important issues we weren't able to reproduce previously due to their rarity and randomness and thus fix before were finally found and fixed. The full list contains many other improvements and fixes as well. Take a look: Main features 1. MiG-3 series 24 exterior textures, including damage, are in 4K quality now thanks to Martin =ICDP= Catney; 2. Pe-2 series 35 exterior textures, including damage, are in 4K quality now thanks to Martin =ICDP= Catney; 3. Pe-2 series 87 exterior textures, including damage, are in 4K quality now thanks to Martin =ICDP= Catney; 4. Bf 109 G-4 exterior textures, including damage, are in 4K quality now thanks to Francisco =BlackHellHound1= Bindraban; 5. Binoculars have been added for tank commanders (press LCtrl + 5); 6. GAZ-55 ambulance vehicle added; 7. BZ-35 fuel truck added; 8. Opel Blitz ambulance vehicle added; 9. Opel Blitz Tankwagen fuel truck added; 10. New language added - Chinese Simplified (简体中文). The career mode is not yet completely translated since the newspaper articles and some squadron histories and award descriptions are in English (they are not necessary for playing though). The Chinese symbols in the pilot name won’t work sadly due to the technical limitations in the mission file format. Aircraft Damage Model Improvements 11. All aircraft got the new, significantly more advanced version of the airframe damage calculations: each aircraft has its own geometrical sizes of the airframe parts and the material types while the damage calculations take into account the peculiarities of the AP, blast and fragmentation damage; 12. A complete rework of aircraft skin damage calculations has been done and it now takes into account the projectile caliber or its HE capability: now AP ammo and bullets damage the aircraft skin to much lesser extent than HE ammo while ramming an aircraft with a propeller of another instantly causes severe aircraft skin damage; 13. Visual hit effects (sparks, splinters, etc.) and sound effects now depend on the material of a hit part of the aircraft; 14. A one projectile impact won’t erroneously cause multiple (doubling) damage effects on the airframe parts which have several hitboxes; 15. Projectile impacts (and ramming an aircraft with a propeller of another) at the parts which don’t have their own cracks modeled in 3D visual model (for instance, when shooting at a wing root that should cause a crack in the wing on the aircraft where a crack at the wing base is not modeled) are calculated in more detail; 16. Projectile impacts (and ramming an aircraft with a propeller of another) at the parts not connected to the airframe won’t damage the airframe (for example, hitting an engine nacelle of a twin-engine aircraft won’t destroy a wing); 17. The calculations of the energy impulse transfer to an aircraft from a munition it was hit by now take into account the shots that went through it; 18. Exploding shells no longer damage the airframe by their initial kinetic energy of an intact shell, only by the blast and the kinetic energy of its fragments; 19. The following visual effects of the aircraft fragments were corrected (turned on when needed and off when not needed): landing gear dust (in the flight), the lighting from landing and navigation lights, guns firing and engine exhausts, smoke from smoke generators and vortex trails from the wingtips); 20. The found discrepancies between a new and repaired aircraft aerodynamics have been fixed; 21. A rare issue that could cause the airframe cracks to preserve after repairing has been found and fixed; 22. The modeling of the combat damage of the piston engine crank gear became more detailed and takes into account the engine type (for instance, the damage of the crank gear of the air-cooled engines happens more rarely than crank gear of the liquid-cooled engines) and the peculiarities of the armor penetration, blast and fragmentation effects of the munitions. The damage of the crank gear can cause the wedging up and seizing up of the crankshaft while the heavy momentary incurred damage can cause the immediate stop of the crankshaft; 23. It is now possible to damage one or several engine cylinders at once by weapons fire, reducing its power output. Damaged pistons can affect the crank gear and can be accompanied by oil and coolant leaks. The calculations of the incurred damage and leakage values take into account the type of the engine and the peculiarities of the armor penetration, blast and fragmentation effects of the munitions; 24. The calculations of an engine fire probability from torn fuel lines and oil leaks take into account the peculiarities of the armor penetration, blast and fragmentation effects of the munitions; 25. The physical model of the engine now differentiates the two types of oil leaks: from the engine and from the oil system; 26. Only the actual oil leak from the engine now soils up the canopy instead of a general engine damage; 27. An excessive amount of piston engine shaking caused by the crank gear damage has been reduced; 28. The calculations of an oil tank or oil radiator leak probability, its size and leakage value take into account the peculiarities of the armor penetration and fragmentation effects of the munitions in detail; 29. The calculations of a coolant tank or water radiator leak probability, its size and leakage value take into account the peculiarities of the armor penetration and fragmentation effects of the munitions in detail; 30. The calculations of a fuel tank leak probability, its size and leakage value take into account the peculiarities of the armor penetration and fragmentation effects of the munitions in detail. The fuel tanks leak protection will be taken into account later, when the next level fuel system modeling is finished; 31. The visual intensity of a fuel, oil, and coolant leaks now corresponds to the actual severity of a leak closer; 32. When calculating the probabilities of a fuel tank fire and explosion, the different AP, blast and fragments effects are taken into account as well as the amount of the fuel leaking from the tank at the moment. Inert-gas pressurization and other fire countermeasures will be taken into account later when the next level fuel system modeling is finished; 33. Bf 110 G-2, Bf 110 E-2 and Hs-129 B-2 right engines won’t be excessively damaged by explosion fragments; 34. P-38J-25: a stabilizer won’t be destroyed by small fluctuating stress loads; 35. P-38J-25: it is now possible to hit and damage the right engine radiators; 36. P-51D-15: it is now possible to hit its oil tank and its armored visor is correctly included in the armor protection calculations; 37. P-51D-15 canopy will appear correctly soiled up by an oil leak both in internal and external views; 38. P-51D-15 3D-model won’t erroneously show the wing crack; 39. The landing gear doors on all aircraft are destroyed if landing gear wheels are torn off in retracted position; 40. Hs 129 B-2: the destruction of the right landing gear door won’t generate the landing gear door debris on the left; 41. Bf-109 (all series except E7): the loss of the vertical stabilizer and the central part of the horizontal stabilizer is temporarily blocked due to the interdependence of this damage in the 3D model, which makes this point extremely vulnerable to combat damage and causes undesirable results. We will try to move the breaking point above the stabilizer in the future and fix this limitation. Damage to the rudder, elevators and horizontal stabs are still possible and the rudder and elevators can still be detached. And the left and right portions of the horizontal stab can also be lost; 42. Bf-109 (all series): the mixed up locations where the debris of the landing gear bay doors appear have been corrected; 43. MiG-3 series 24: the main landing gear bay doors in the wing can also be torn off by an excessive ram air pressure; 44. Excessive rear hemisphere protection of the Pe-2 gunners from the fragments has been corrected; 45. Ju-52/3m g4e: the oil level gauges display the correct amount of the oil left even if it is completely gone or after the oil system repair; 46. Ju-52/3m g4e: first pilot bailing out won’t cause the death of the second pilot and the gunner; General Damage Model Improvements (for all objects in the sim) 47. A complete overhaul of the blast and fragmentation damage, as well as armor penetration damage has been finished, including, but not limited to: correction of calculation errors, calculation speed optimizations, protection of the calculation results for finding possible errors in the initial data; 48. Insufficient blast damage in case of a very near explosion or inner explosion has been corrected; 49. The number of fragments hitting an object is correctly calculated basing on the distance to an explosion, including the case of inner explosion; 50. Now there is a possibility of a ‘stray fragment’ impact when the expectation function gives less than one fragment due to the distance to the explosion (outside the kill area), which is important in a case of multiple explosions; 51. The armor penetration ability and damage of projectile increases if the resulting impact velocity exceeds the muzzle velocity of a projectile in the reference test data; 52. The fragmentation damage modeling is made less abstract for all ammunition types: the formation of the fragments, their initial speeds, masses and sizes are calculated and their loss of velocity with the distance traveled is calculated using the modern estimates of their resistance factor and the integration of their movements; 53. The calculations of the penetration ability of the combined HE and frag damage is also less abstract. Instead of using an empirical parameter, the system now uses the speed, mass, and size of a fragment to model a penetration and the massed impact in case of a near explosion is also modeled; 54. Since the calculations of the penetration ability and the energy of fragments were changed, the excessive effectiveness of the bombs against armored targets at large distances has been reduced, but a very close explosion is much more effective than before; 55. The penetration ability of the fragments created by shells containing a small amount of explosives relative to their overall mass was also reduced because of the same reason; 56. The blast damage calculations use a more accurate power law depending on the distance to the blast center. The damage inflicted by a blast and its ability to break through an armor sheet now drops as the distance increases faster than before, but became much more powerful at very short distances; 57. Engines, drivetrains, reduction gearboxes, ammo racks and other large pieces of equipment now have their own hard casings modeled where applicable and they can protect them from some damage; 58. In a rare case of a direct bomb hit at a turret of a flying aircraft, aerostat or a parachute there won’t be a detonation delay that could cause it to explode at a distance to the object; 59. The severity of a wound depends on the impact area: a head hit is more critical than a body one while a body hit is less severe than it was before; 60. The crew members experience less pain shock from wounds and impacts; Player controllable tanks improvements 61. The death of a radio operator now blocks the external communications; 62. Pz.III-L and T-34 STZ tanks ammo racks now are damageable; 63.The physical collision model of the Pz.III-L turret now correctly rotates together with the visual model of the turret; 64. The physical collision model of the T-34 STZ main gun barrel now correctly corresponds to its visual model; 65. The M4A2 commander’s machine gun can be damaged; 66. In the event of a catastrophic detonation, the turret flying away from Pz.III-L and T-34 STZ tanks will be visually damaged; 67. A knocked out machine gun won’t incorrectly cause the death of its operator; 68. The issue that could result in the destruction of a tank when its main gun and coaxial MG are knocked out has been found and fixed; 69. Several commands of the tank commander (for example, "Attack ground targets on sight") will work even if the mission script doesn’t include any commands for this tank; 70. Several non-working technochat messages about turret systems failure and repair (coaxial machine gun, main and backup turret traverse, vertical aiming mechanism, etc.) have been fixed; 71. Pz.Kpfw.III.Ausf.M, Pz.Kpfw.IV.Ausf.G and M4A2 tracks tension is correctly animated (it was reversed); 72. The tank radio transmitter failure makes the communication with other tanks of the unit impossible; 73. Viewing instruments on KV-1s tanks made more detailed; 74. The issue with KV-1s tracks visibly moving in the opposite direction when accelerating has been minimized; 75. The casing of the various large systems (engine, gearbox, ammunition) can protect them from shell fragments; 76. An additional armor sheet on the front hull of the KV-1s is now modeled; AI Improvements 77. The AI pilots of the high-speed aircraft now try to use their advantage over significantly slower aircraft using the hit and run tactics; 78. The AI pilots of the high-speed aircraft aim better when firing the guns; 79. A failed bombing run won’t cause an AI-controlled bomber to fly beyond the map borders; 80. An AI pilot estimates the time required to destroy a ground target better; 81. The AI pilots won’t try to move the control surfaces of a crashed aircraft; 82. P-51D AI pilot will always close the canopy before taking off; 83. Gunners won’t do unnecessary motions when bailing out; 84. Additional improvements were made in the ground vehicle obstacle avoidance algorithm; 85. A rare issue that could cause vehicles of a column to move directly North after an emergency stop has been found and fixed; 86. AI-controlled ground based guns and MGs aim better in heavy wind weather conditions; 87. 76mm and 77mm AAA of World War I era aim better; Visual aircraft models improvements 88. The bomb control panel on all Bf 109 3D-models is now hidden in the outside view if no bombs are installed; 89. The right landing gear wheel of the Bf 109 E-7 is no longer visible from a large distance when the right wing is lost; 90. The Bf-109 G-14 canopy cable looks correct when the canopy is open; 91. The gap between the bomb holder and Fw 190 A3 and Fw 190 A5 fuselages has been removed; 92. The gear wheels of the chain drive of the He-111 bomb bay doors are animated now; 93. The An-4 compass on Pe-2s has a functioning backlight now; 94. The excessive visibility of IL-2 mod. 1943 at large distances caused by a wrong glare setting has been corrected; 95. The rear navigation light of the La-5FN won’t be visible from the cockpit; 96. A damaged LaGG-3 won’t appear to have through holes when zooming out; 97. The Yak-1b rear wheel trace on the ground won’t visually thicken when zooming out; 98. P-51D and Tempest radio station bulbs made brighter when turned on; 99. An incorrect flare visual effect on the P-51D fuselage has been fixed; 100. An incorrect flare visual effect on the Fokker D.VII wingtips has been fixed; 101. Left ailerons of Fokker D.VII and Fokker D.VIIF won’t cause visible z-fighting effect; 102. S.E.5a: a dead or unconscious pilot or gunner won’t clip through a cabin side; 103. The animation of the 2000-pound bomb M66 impeller has been fixed; Other aircraft changes 104. Another error that could cause the hits on the own aircraft to be not audible in multiplayer has been found and fixed; 105. When in the cockpit, the player will now hear different sounds when different parts (materials) of the aircraft are hit different types of ammunition (before that, sounds differed only by the type of ammunition and only in open cockpits or in an external view); 106. The ram air sounds in the cockpits of all aircraft have been re-adjusted, the sound changes depending on the state of the canopy (open or closed) as well as the position of the pilot's head relatively to the windscreen; 107. The positioning of the engine sounds in the cockpits has been improved as well; 108. Bf 109 G-6 in-cockpit sounds were corrected; 109. The issue with the pilots posing in weird ways should be gone now; 110. Ju-88 top shooter won’t continue to fire when the canopy and the MGs are jettisoned; 111. It is now possible to shoot a signal flare after opening the IL-2 mod.1943 cockpit; 112. The trace of an aircraft after a belly landing won’t disappear when zooming in; 113. Flying Circus planes will correctly show the dust from wheels effect; 114. P-51D wheels leave correct traces and their dust effects were corrected; 115. Opened P-51D landing gear bays cause less drag; 116. Bomb detonator switches are no longer inverted on P-51D; 117. A-20B, La-5 series 8 and La-5FN: it’s now possible to move the throttle control when it is in the idle position and ‘Engine auto control’ helper is enabled in the options; 118. FFB vibrations increased during control surfaces buffeting at terminal flight speeds; 119. Now a crewless aircraft will be removed from the simulation when it stays on the ground for 30 seconds (previously it was removed when its altitude was less than 10 meters and speed less than 10 meters per second); Ground and naval objects 120. Projectiles of the multi-barreled anti-aircraft guns visually appear aligned with the positions of the individual barrels; 121. Tanks and trucks won’t leave marks on concrete surfaces; 122. Vehicles won’t create so much dust when moving on concrete and paved surfaces; 123. TRG_Spawn mission logic element won’t cause the spawned vehicles to have visual effects of a damaged engine; 124. The issue of random destruction of a train in QMB has been found and fixed; 125. Simple AI-controlled ground vehicles won’t visibly ‘shudder’ when moving on steep slopes, especially on the Prokhorovka map; 126. Sd Kfz 251 Wurfrahmen 40 rockets launch correctly visually; 127. The upper and lower armor of simple AI tanks has been corrected (made more resistant to fragments); 128. The visual model of a static railway tank has been updated (its frame); 129. The static T-34 model texture that appears at a certain distance has been corrected; 130. Railway wagons and locomotives won’t receive critical damage from any first hit; 131. A graphical corruption caused by G-5 gunboat firing its M-8M rockets has been fixed; 132. The issue that could make the naval guns indestructible has been found and fixed; 133. Ships that run aground will stop earlier and won’t display water wake effects; 134. A random issue with the parachute not completely descending to the ground has been fixed; Other changes 135. VR zoom can be made instantaneous if the default speed gives you nausea - set the value of the vr_zoom_speed parameter to 1 (it is located in the camera section in data\startup.cfg file); 136. Ricochet sounds and graphic effects were added; 137. The physical collision models of the European suburban buildings in some blocks on the Arras map now correspond to their visual models; 138. The trees that prevented takeoff and landing were removed at the end of the strip of the Florennes airfield; 139. Bailed out pilots can be correctly captured by the enemy in the Bodenplatte career; 140. MCU_Waypoint mission logic element won’t receive input from other elements when deactivated. Please discuss the update in this thread.

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