ShB (Russian: ШБ) A proposed ground-attack version with an M-88A engine, modified landing gear which rotated 90° before retracting to the rear into the wings (like the American Curtiss P-40).
ShB (russisk: ШБ) En planlagt jagerbomber med en M-88- motor, modificeret understel, der roterede 90° før end det blev trukket op i vingen (som det amerikanske Curtiss P-40).