The BOK-2 (Byuro Osobykh Konstrooktsiy - bureau of special design) (a.k.a. RK Razreznoye Krylo – slotted wing) was an aerodynamic research aircraft designed by S. S. Krichyevskii and built in the USSR in 1934.
The BOK-2 (Byuro Osobykh Konstrooktsiy - bureau of special design) (a.k.a. RK Razreznoye Krylo – slotted wing) was an aerodynamic research aircraft designed by S. S. Krichyevskii and built in the USSR in 1934. (en)
The BOK-2 (Byuro Osobykh Konstrooktsiy - bureau of special design) (a.k.a. RK Razreznoye Krylo – slotted wing) was an aerodynamic research aircraft designed by S. S. Krichyevskii and built in the USSR in 1934. (en)