Recent content by choperr

I hear somewhere saying that WS-21 only have 3 Fan/low-pressure compressor instead of 4 fan like RD-93. the high -pressure compressor blades are sharp differently from RD-93. in terms of thrust to weight ratio WS-21 is between ws-13(RD-93/3th gen) and ws-19(4th gen).

I was expecting something 2D......