Found this:
Specifications for the Chengdu J-20 (Black Eagle)
Dimensions:
Length: 75.46ft (23m)
Width: 49.21ft (15.00m)
Height: 16.40ft (5.00m)
Performance: (About MACH)
Maximum Speed: 1,305mph (2,100kmh; 1,134kts)
Maximum Range: 2,113miles (3,400km)
Rate-of-Climb: 60,000ft/min (18,288m/min)
Service Ceiling: 59,055ft (18,000m; 11.2miles)
Armament Suite:
Use of various Russian/Chinese air-to-air missiles, air-to-surface missiles, anti-radiation missiles, laser-guided bombs and conventional drop bombs are assumed. A standard internal cannon for close-in combat is probable.
Structure:
Accommodation: 1
Hardpoints: 8
Empty Weight:38,801lbs (17,600kg)
Maximum Take-Off Weight:77,162lbs (35,000kg)
Powerplant:
Engine(s): CURRENT (estimated): 2 x Saturn 117S turbofan engines delivering 32,000lbs of thrust each; INTENDED: 2 x WS-10/WS-17 turbofan engines of 30,000lbs thrust each.
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