Avia BH-20
The Avia BH-20 was a civil trainer aircraft built in Czechoslovakia in 1924. It was a single-bay, unstaggered biplane of conventional configuration. The wings were braced with N-struts at around half-span. The pilot and instructor were seated in tandem, open cockpits.
| BH-20 | |
|---|---|
| Role | Civil trainer | 
| Manufacturer | Avia | 
| Designer | Pavel Beneš and Miroslav Hajn | 
| First flight | 1924 | 
| Number built | 1 | 
Specifications
    

Avia BH-20 2-view drawing from L'Aéronautique July,1927
General characteristics
- Crew: two, pilot and instructor
 - Length: 6.29 m (20 ft 8 in)
 - Wingspan: 7.88 m (25 ft 10 in)
 - Wing area: 16.1 m2 (173 sq ft)
 - Empty weight: 345 kg (761 lb)
 - Gross weight: 485 kg (1,069 lb)
 - Powerplant: 1 × Walter NZ 60 radial , 45 kW (60 hp)
 
Performance
- Maximum speed: 160 km/h (100 mph, 87 kn)
 - Service ceiling: 4,000 m (13,100 ft)
 - Rate of climb: 3.1 m/s (610 ft/min)
 
References
    
| Wikimedia Commons has media related to Avia BH-20. | 
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 86.
 - Němeček, V. (1968). Československá letadla. Praha: Naše Vojsko.
 
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