The Kalinin K-9 was a

liaison Liaison means communication between two or more groups, or co-operation or working together. Liaison or liaisons may refer to: General usage * Affair, an unfaithful sexual relationship * Collaboration * Co-operation Arts and entertainment * Li ...

/sport aircraft designed by Konstantin Alekseevič Kalinin. It had a

parasol wing A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes. A monoplane has inherently the highest efficiency and lowest drag of any wing confi ...

, only one was built in 1932. The prototype was evaluated during some test flights, but development was never carried out. The tests revealed that the K-9 was too large and too heavy in relation to the installed engine, (

Walter NZ 60 The Walter NZ 60 was a five-cylinder, air-cooled, radial engine for aircraft use built in Czechoslovakia by Walter Aircraft Engines in the 1920s. Applications * Albert A-20 * ANBO II * Avia BH-9 * Avia BH-10 * Avia BH-11 __NOTOC__ The A ...

, ).

Specifications (K-9)

References

Further reading