Konstantin Alexievich Kalinin patented a wing of elliptical form in 1923, and
Kalinin K-5
in 1925 built the K-1 (RBZ-6), a small high-wing monoplane. Most notable developments were the K-4 (22 built) and the scaled-up K-5 (260 built, 1930- 1934). K-5, typically an eight-seater,
Kalinin K-7
made a significant contribution to Russian civil avip.ion. K-7 was an exceptionally large experimental bomber of 1933, having two faired underslung tandem-wheel landing-gear units and six engines. K-12 and K-13 were also bombers. In all, Kalinin designed 16 types before his bureau was disbanded in 1938.

Back to the letter K

All the World's Rotorcraft

Virtual Aircraft Museum