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The Beneš-Mráz Be-56 Beta-Major was a single-seat aerobatic advanced trainer manufactured in Czechoslovakia shortly before World War II.
| Be-56 Beta-Major | |
|---|---|
| |
| Be-56 Beta-major single-seater | |
| Role | Sports plane |
| Manufacturer | Beneš-Mráz |
| Designer | Pavel Beneš and Jaroslav Mráz |
| First flight | 20 July 1936 |
| Number built | 1 x Be-52; 1 x Be-56 |
| Developed from | Beneš-Mráz Be-50 Beta-Minor |
Design and development
editFirst flown in 1936, the Be-56 was a low-wing cantilever monoplane of wooden construction, with a single open cockpit and fixed tailwheel undercarriage. A two-seat version was produced as the Beneš-Mráz Be-52 Beta-Major, with tandem open cockpits
Variants
edit- Be-52 Beta-Major
- Two-seat aerobatic trainer derived from the Be-51, but powered by a Walter Major engine; one built.
- Be-56 Beta-Major
- Single-seat version of the Be-52; one built (OK-BEG).
Operational history
editThe sole Be-56, registered OK-BEG, was used by the Slovak Air Force after the German takeover of Czechoslovakia in 1939.
Operators
edit
Specifications (Be-56)
editData from Jane's all the World's Aircraft 1937 [1]
General characteristics
- Crew: 1
- Length: 7.55 m (24 ft 9 in)
- Wingspan: 10.66 m (35 ft 0 in)
- Height: 2.02 m (6 ft 8 in)
- Wing area: 14.00 m2 (150.7 sq ft)
- Empty weight: 530 kg (1,168 lb)
- Max takeoff weight: 710 kg (1,565 lb)
- Fuel capacity: 100 L (26 US gal; 22 imp gal) in two wing root tanks
- Powerplant: 1 × Walter Major 4-cyl. inverted air-cooled in-line piston engine, 97 kW (130 hp) for take-off
- Propellers: 2-bladed fixed-pitch propeller
Performance
- Maximum speed: 240 km/h (150 mph, 130 kn) at sea level
- Cruise speed: 205 km/h (127 mph, 111 kn)
- Landing speed Be-52: 62 km/h (39 mph; 33 kn)
- Range: 600 km (370 mi, 320 nmi)
- Service ceiling: 6,000 m (20,000 ft)
- Absolute ceiling: 6,500 m (21,300 ft)
- Time to altitude: 1,000 m (3,300 ft) in 3 minutes, 3,000 m (9,800 ft) in 11 minutes 30 seconds
- Wing loading: 50.7 kg/m2 (10.4 lb/sq ft)
- Power/mass: 7.23 kg/kW (11.88 lb/hp)
References
edit- ^ Grey, C.G.; Bridgman, Leonard, eds. (1937). Jane's all the World's Aircraft 1937. London: Sampson Low, Marston & company, ltd. p. 102c.
Further reading
edit
Wikimedia Commons has media related to Beneš-Mráz Be-56.
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 152.
- World Aircraft Information Files. London: Bright Star Publishing. pp. File 890 Sheet 25.
- Nemecek, Vaclav (1983). Československá letadla (in Czech). Prague: Nase vojsko.
- Green, William (2010). Aircraft of the Third Reich (1st ed.). London: Aerospace Publishing Limited. p. 105. ISBN 978 1 900732 06 2.