Wing tip fins, which had a blunted triangular profile, carried slightly more rounded rudders.

The controls were essentially conventional, with rudder pedals and a wheel for the ailerons which, when pushed or pulled moved the elevons together to change pitch.

[1] Its fuselage was short but deep, with an enclosed cabin over the leading edge holding two seats in tandem.

A Shvetsov M-11 radial engine, working in pusher configuration, was mounted high on the rear fuselage with its five cylinders exposed for cooling.

Kudrin, who found insufficient elevon authority to lift the nose for take-off until he reached 180 km/h (110 mph; 97 kn), the design maximum airspeed.