Aircraft Data Sheet: Cierva C-29 (1934)
| First flight: | |
| Rotor diameter: | 15.24m/50ft 0ins |
| Length: | 11.58m/38ft 0ins |
| Max weight: | 2,268 kg/5000lb |
| Max speed: | (estimated): 139knots/257km/h |
| Power: | One 600shp/447kW Armstrong Siddeley Panther II |
| Accommodation: | |
| No Built: | One prototype only |
Five seat gyroplane produced for Cierva, a single prototype was built but never progressed beyond the ground running phase due to ground resonance for which no remedy could be found.