Kalinin K-9
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| K-9 | |
|---|---|
 | |
| General information | |
| Type | Liaison / sport aircraft |
| National origin | USSR |
| Manufacturer | GROSS |
| Designer | |
| Number built | 1 |
| History | |
| First flight | 1932 |
The Kalinin K-9 was a liaison/sport aircraft designed by Konstantin Alekseevič Kalinin. It had a parasol wing, 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, (60 hp (45 kW) Walter NZ 60, 17.165 kg/kW (28.219 lb/hp)).[1]