Cierva C.17
For a description of the format and data included in Production Tables, see here.
Contents
Type Description
- C.17 Mk.I
- (Avro Type 612) Two seat autogyro using a fuselage of the Avro 594 Avian IIIA, with cable braced paddle-type four blade rotor mounted on a tripod above the front cockpit, and featuring stub wings and a wide track undercarriage. One 95 h.p. ADC Cirrus III powerplant.
| C.17 Mk.I Specification | |||||||||
| Rotor Dia | Length | Span * | Empty Wt | Max AUW | Minimum Speed | Maximum Speed | Range | Service Ceiling | |
| 33 ft 3.5 in | 28 ft 9 in | 970 lb | 1455 lb | 25 mph/ 22 kn | 90 mph/ 78 kn | 210 mi | |||
| 10.15 m | 8.76 m | 440 kg | 660 kg | 40 kph | 145 kph | 338 km | |||
Span * = span of stub wing
- C.17 Mk.II
- (Avro Type 620) As C.17 Mk.I but featuring stub wings with upturned tips and no fixed fin. One 100 h.p. Avro Alpha powerplant.
Production Details
| C/n | Initial Registration |
Type | Notes |
| 1 aircraft built by A.V. Roe & Co. Ltd., Hamble, as their Type 612. First flew October 1928. | |||
| 5110 | G-AABP | C.17 Mk.I | To the Cierva Autogiro Co. Ltd., Hamble. |
| 1 aircraft built by A.V. Roe & Co. Ltd., Hamble, as their Type 620. First flew in April or May 1929. 3 further aircraft were completed as C.19. | |||
| 5129 | G-AAGJ | C.17 Mk.II | To the Cierva Autogiro Co. Ltd., Hamble. Converted into the C.17 Hydrogiro floatplane using twin Avro Avian floats in 1929/30, but reverted to C.17 Mk.II after unsuccessful trials. Rebuilt as Avro Avian G-AEDO in 1935. |
| G-AAGK | Not built. Registration reallocated to C.19. | ||
| G-AAGL | Not built. Registration reallocated to C.19. | ||
| G-AAHM | Not built. Registration reallocated to C.19. | ||
| Total Production 2 | |||
| Total Production (Not Completed) 3 | |||
Production Summary
All Aircraft By Type
| Type | Built New | Conv | Canc'd | Total |
| C.17 Mk.I | 1 | 1 | ||
| C.17 Mk.II | 1 | 3 | 4 | |
| C.17 Hydrogiro | (1) | 1 | ||
| 2 | (1) | 3 |
Production References
- Cierva Autogiros - The Development of Rotary-Wing Flight, Peter W. Brooks (Airlife, 1988)