Heinkel HD 21
| HD 21 and HD 29 | |
|---|---|
| Role | Civil trainer |
| National origin | Germany |
| Manufacturer | Heinkel |
| First flight | 1924 |
The Heinkel HD 21 was a
interplane struts. The main units of the fixed, tailskid undercarriage were linked by a cross-axle, and the aircraft had three open cockpits in tandem, although one of these was typically faired
over. The HD 29 of 1925 was essentially similar, but was purely a two-seater.
One HD 21 (registered SE-ACY) was flown as an
Italian invasion of Abyssinia in 1935. Others were flown by the Reichswehr at the clandestine aviation training facility in Lipetsk
.
Specifications
General characteristics
- Crew: Two, pilot and instructor
- Length: 7.25 m (23 ft 9 in)
- Wingspan: 10.60 m (34 ft 9 in)
- Height: 3.05 m (10 ft 0 in)
- Wing area: 27.8 m2 (299 sq ft)
- Empty weight: 680 kg (1,500 lb)
- Gross weight: 980 kg (2,160 lb)
- Powerplant: 1 × Mercedes D.I , 75 kW (100 hp)
Performance
- Maximum speed: 135 km/h (103 mph, 90 kn)
- Rate of climb: 2.7 m/s (530 ft/min)
Armament
- 1 × .22 LR caliber built in machine pistol
- 2 × 100 .22 LR caliber links
References
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 498. ISBN 0-7106-0710-5.
- "The Round-Germany Flight". Flight: 321–22. 28 May 1925. Retrieved 2008-04-23.