Avia BH-9

The Avia BH-9 was a single-seat sports plane built in Czechoslovakia in 1923, based on the BH-5. As with other developments in the BH-1 lineage, the BH-9 was a low-wing braced monoplane that accommodated the pilot and passenger in tandem, open cockpits. The BH-9's structure was strengthened to allow the use of a higher-power engine than in its predecessors, and for the first time, this was a domestically-produced powerplant.

BH-9
Role Sports plane
Manufacturer Avia
Designer Pavel Beneš and Miroslav Hajn
Introduction 1923
Number built 11

The Czechoslovakian Army showed interest in it as a trainer and liaison aircraft, and ordered ten examples under the designation B.9.

A B.9 won the 1925 Coppa d'Italia air race, and the following year, one was flown on a 1,800 km (1,100 mi) circuit Prague-Paris-Prague with an average speed of 131.2 km/h (82 mph).

Specifications

General characteristics

  • Crew: one pilot
  • Capacity: one passenger
  • Length: 6.64 m (21 ft 10 in)
  • Wingspan: 9.72 m (31 ft 11 in)
  • Height: 2.53 m (8 ft 3 in)
  • Wing area: 13.6 m2 (146 sq ft)
  • Empty weight: 345 kg (761 lb)
  • Gross weight: 550 kg (1,213 lb)
  • Powerplant: 1 × Walter NZ 60 radial , 45 kW (60 hp)

Performance

  • Maximum speed: 158 km/h (98 mph, 85 kn)
  • Range: 470 km (290 mi, 250 nmi)
  • Service ceiling: 4,500 m (14,800 ft)

See also

Related development

References
  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 86.
  • World Aircraft Information Files. London: Bright Star Publishing. pp. File 889 Sheet 86.
  • Němeček, V. (1968). Československá letadla. Praha: Naše Vojsko.
  • airwar.ru
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