FrankTB Posted April 15, 2015 Posted April 15, 2015 If you folks haven't already seen this you might find it pretty Kiwi space rocket! http://rocketlabusa.com/index.html 1 Quote
Do335 Posted April 15, 2015 Posted April 15, 2015 hmm space commerce. catching up the sci-fi stories here. Quote
+Typhoid Posted April 15, 2015 Posted April 15, 2015 I didn't watch the whole thing, long on marketing but short on some important details. Like payload... I am reading into this but I think the "launch breakthrough" is more a payload breakthrough on miniaturization. Micro satellites can do the job now that it took very large satellites before and THAT is why a launch company can advertise such reduced launch costs. basic physics are still in play here - it takes so much energy to put a payload into orbit. Quote
TeargasHorse Posted April 15, 2015 Posted April 15, 2015 The advert showed a 100kg Nominal payload 500km Nominal Sun-Sync. Orbit 2 Stages 1m Diameter 20m Height US$4.9m Price For a 100kg, >1 meter diameter satellite. Need something a bit larger for the Bigelow expanding pods built here in Vegas... http://bigelowaerospace.com/ Quote
FrankTB Posted April 15, 2015 Author Posted April 15, 2015 To sum it up you have a young fella that looks like he is just out of school telling you that he is got a rocket that he's knocked up with some carbon fiber to launch a 100kg payload into orbit powered by a battery powered rocket motor that he made with a 3d printer, "what,s not to believe" Quote
+FastCargo Posted April 16, 2015 Posted April 16, 2015 basic physics are still in play here - it takes so much energy to put a payload into orbit. Bingo. Read these: www.spacedaily.com/news/oped-05zy.html www.nasa.gov/mission_pages/station/expeditions/expedition30/tryanny.html In the latter article, it's shown that a Space Shuttle external tank has more fuel mass fraction than a soda can. In other words, a ET has to be more efficient and effective at carrying fuel than a soda can. If that doesn't tell just how much engineering goes into an orbital rocket... FC Quote
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