Heinkel HD 21 ( German: Heinkel HD 21 ) - German training aircraft. On the plane was a Mercedes engine with a capacity of 120 liters. from. In addition, HD 21 was the first in a series of two-seater sports and training aircraft for basic pilot training. [one]
| HD 21 | |
|---|---|
| Type of | training |
| Developer | Heinkel |
| Manufacturer | Heinkel |
| Chief Designer | Ernst Heinkel |
| The first flight | HD 21 - 1924 , HD 29 - 1925 |
| Operators |  Lipetsk Aviation Center  International Red Cross and Red Crescent Movement |
| Units produced | is unknown |
Content
- 1 Operation
- 2 Flight performance
- 3 notes
- 4 Literature
- 5 Links
Operation
One HD 21 (registration number SE-ACY) was used by Carl Gustav von Rosen in a Red Cross mission during the Italian invasion of Abyssinia in 1935 . The rest were delivered to the aviation training center in Lipetsk . A slightly smaller, but structurally similar version of the HD 29 made its first flight in 1925 , it provided for the possibility of accommodating a third crew member and a 100-liter Siemens motor was installed. from. [one]
Flight performance
| Wing span, m | 10.60 |
| Length (on floats), m | 7.25 |
| Height (on floats), m | 3.05 |
| Wing area, m² | 27.80 |
| Weight kg | |
| empty plane (on floats) | 680 |
| normal takeoff | 980 |
| engine's type | 1 PD Mercedes DI |
| Horsepower | 1 x 100 |
| Maximum speed, km / h | 135 |
| Cruising speed, km / h | 115 |
| Rate of climb, m / min | 162 |
| Crew | 2 |
| Armament: | one 5.6 mm submachine gun possible |
Notes
- ↑ 1 2 HD.21 unspecified . Corner of the sky - Big Aviation Encyclopedia.
Literature
- The Round-Germany Flight // Flight International | Flight : magazine. - 1925. - 28 May. - P. 321-322 .