Avia BH-29
The Avia BH-29 was a trainer aircraft built in Czechoslovakia in 1927, in the hope of marketing it to both the Czechoslovakian Army, and to Czechoslovakian Airlines as a primary trainer. It was an conventional design, an unequal-span biplane of wooden construction and with tailskid undercarriage. The pilot and instructor sat in tandem open cockpits. A more powerful version was built, powered by a 120 hp (89 kW) Walter NZ-120 radial engine.
| BH-29 | |
|---|---|
 | |
| Role | Trainer |
| Manufacturer | Avia |
| Designer | Pavel Beneš and Miroslav Hajn |
| First flight | 1927 |
When no interest was shown in the aircraft domestically, Avia undertook a promotional tour where the aircraft was demonstrated in eighteen European countries, but this did not result in any sales either and only a few were built.
Specifications (NZ-85 engine)
Data from Jane's all the World's Aircraft 1928[1]
General characteristics
- Crew: two
- Length: 7.4 m (24 ft 3 in)
- Wingspan: 9.8 m (32 ft 2 in)
- Wing area: 25 m2 (270 sq ft)
- Empty weight: 545 kg (1,202 lb)
- Gross weight: 815 kg (1,797 lb)
- Powerplant: 1 × Walter NZ-85 7-cyl. air-cooled radial piston engine, 63 kW (85 hp) rated power, 75 kW (100 hp) for take-off
- Propellers: 2-bladed fixed-pitch propeller
Performance
- Maximum speed: 135 km/h (84 mph, 73 kn)
- Stall speed: 60 km/h (37 mph, 32 kn)
- Range: 420 km (260 mi, 230 nmi)
- Service ceiling: 2,200 m (7,200 ft)
- Rate of climb: 2.5 m/s (490 ft/min)
- Time to altitude: 1,000 m (3,300 ft) in 12 minutes; 2,000 m (6,600 ft) in 40 minutes
References
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- Grey, C.G., ed. (1928). Jane's all the World's Aircraft 1928. London: Sampson Low, Marston & company, ltd. p. 77c.
Further reading
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 86.
- Němeček, Vaclav (1968). Československá letadla (in Czech). Praha: Naše Vojsko.