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The program design J-20 is moving very slowly and with difficulty. According to the Ukrainian and Russian experts, which refers to Jane's, the Chinese experts, in particular, have not been able to finalize a series of engines WS, so they can be used on the new fighter. These power plants are not very reliable and can produce more thrust. In addition, China has not managed to find a sufficiently strong materials to increase the TBO WS-10A.
In addition, the shape of the nose, canopy pilots, canard, and slat in all four different prototypes. Most likely, this means that engineers can not Chengdu to find the optimal design solution that would strike a balance between aerodynamics and low profile.
Fighter J-20 is on the aerodynamic configuration "duck" with high-delta wing in terms of conjugate to the fuselage. All-moving fins have a large camber angle on the longitudinal axis. Nacelle located on the sides of the fuselage under the wings. Technical characteristics of J-20 is not yet known.
Ovako kažu Rusi i Ukrajinci koji pišu ka Džejn Defence-u...
Ima neke veze, kažu , da ne mogu da pronadju optimalni Aerodinamički oblik etc...mene lično to niš ne iznenadjuje.Znam.."Šta se Rusu snilo..." ali opet.
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