Heinkel HD 44
The Heinkel HD 44 was a special-purpose light transport aircraft developed in Germany in the 1920s.
| HD 44 | |
|---|---|
| Role | Newspaper delivery aircraft |
| National origin | Germany |
| Manufacturer | Heinkel |
| First flight | 1929 |
| Primary user | Deutsche Versuchsanstalt für Luftfahrt |
| Number built | 1 |
Design and development
The Heinkel HD 44 was similar in layout to the Heinkel HD 40, but differed in the design of the tail assembly. The crew were situated in an open cabin with twin controls, while the passengers were in a closed cabin.
The HD 44 first flew in 1929, but the idea of a transport plane was abandoned by the DVL and the aircraft relegated to being an engine-testbed.[1][2]
Specifications (HD 44)
Data from [3]
General characteristics
- Crew: 2
- Capacity: 6 pax
- Length: 12.2 m (40 ft 0 in)
- Wingspan: 17.6 m (57 ft 9 in)
- Height: 4.6 m (15 ft 1 in)
- Wing area: 75.5 m2 (813 sq ft)
- Empty weight: 2,050 kg (4,519 lb)
- Gross weight: 3,620 kg (7,981 lb)
- Powerplant: 1 × BMW VI 5.5 V-12 water-cooled piston engine, 480 kW (650 hp)
Performance
- Maximum speed: 206 km/h (128 mph, 111 kn)
- Cruise speed: 180 km/h (110 mph, 97 kn)
- Range: 1,040 km (650 mi, 560 nmi)
- Service ceiling: 5,000 m (16,000 ft)
References
- de Agostini. World Aviation. Heinkel: HD 25 - HD 44 Series Biplanes
- Alternative history. Mail plane Heinkel HD 40
- "Heinkel HD.44". airwar.ru.
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