S-21 Multipurpose fighter

In numbers  Through the lens  Video

The length of the aircraft is approximately 16,8-17,8 m, volume: 28 m3 (the front surface is proportional to the Su-27), with the maximum weight to be around 25.000 kg. Trapezoidal wing span to 11,8 m and the surface is at 54 m².

Three-view drawing