The Heinkel Doppeldecker 43 was a prototype German fighter aircraft of the 1930s. A single-engined, single-seat biplane, the HD 43 was designed to meet a secret German Reichswehr requirement for a single seat fighter. It had two-bay wooden wings with a steel-tube fuselage, and was powered by a 750 hp (600 kW) BMW VI engine. The single prototype flew in 1931.
Data from The Complete Book of Fighters
- Crew: 1
- Length: 7.10 m (23 ft 3⅓ in)
- Wingspan: 10.00 m (32 ft 9⅔ in)
- Height: 3.30 m (10 ft 9⅞ in)
- Wing area: 26.56 m² (285.9 ft²)
- Empty weight: 1,280 kg (2,822 lb)
- Loaded weight: 1,700 kg (3,748 lb)
- Powerplant: 1 × BMW VI 7,3Z liquid-cooled V12 engine, 559 kW (750 hp)
- Maximum speed: 322 km/h (174 knots, 200 mph)
- Climb to 3,000 m (9,800 ft): 4.9 min
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- meaning biplane
- Green and Swanborough 1994, p.294.
- Green, William and Gordon Swanborough. The Complete Book of Fighters. New York: Smithmark, 1994. ISBN 0-8317-3939-8.
- www.luftfahrtmuseum.com The Virtual Aviation Museum
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