According to the national standards of the Russian Federation:GOST-17106-90,many componeonts(especially the accessories) are not counted in engine dry weight ,such as exhaust nozzle(TVC) ,gearbox,generator,heat exchanger,oil tank,and etc..
117S TBO is 1000h,while i'm talking about the basic AL-31F
http://www.npo-saturn.ru/index_b3.php?act=showfull&id=1215429686&sat=7
На самолет Су-35...
DFH4 dry-mass is approximately 2100 KG
CAST Plans To Build Bigger Spacecraft Bus
DFH-4 Satellite
DFH-4 BUS --- Communications Satellite --- In-Orbit Delivery --- CGWIC
Kaveri and Taihang(FWS10) are in different phases .the former has just achieved the prototype Preliminary Flight Rating Test(PFRT) milestone,the latter's formally been in service.
the operational Z-10As are powered by WZ-9 engines.
TV3-117VM is a 1600~1700kW power class engine.it's powerful ,but heavier and bigger ,so it can not fit into the Z-10.
TV3-117VM
http://www.motorsich.com/eng/products/aircraft/turboshaft/tv-117vm
Wozhou (WZ)-9 is the turboshaft engine of...
F-16 Losses
There were 122 F-16 Class A mishap accidents for the period from FY 89 to FY 98. These accidents consisted of mishaps involving destroyed aircraft. A total of 272 F-16 aircraft had been destroyed from the introduction of the F-16 in 1975 to 2003. F-16 manufacturer Lockheed Martin...
so far all the operational J-10s are using russian engines.AL-31F(FN) is a mature turbofan engine, but not flawless.
eg:there occurred sevral engine failures on PLAAF Su-27s due to the poor quality of oil-centrifugal-breather,one of which caused the crash and killed the pilot.
fatal crash...