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Czechoslovak sports aircraft From Wikipedia, the free encyclopedia
The Avia BH-1 was a two-seat sports plane built in Czechoslovakia in 1920. It was the first product of the Avia company, and it was originally designated BH-1 exp. The BH-1 was a low-wing braced monoplane of wooden construction, with tailskid undercarriage. Power was provided by a Daimler engine, which proved inadequate to fly the aircraft with both seats occupied.
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BH-1 | |
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An Avia BH-1 replica, OK-GUU25 | |
Role | Sportsplane |
Manufacturer | Avia |
Designer | Pavel Beneš and Miroslav Hajn |
First flight | 13 October 1920 |
Number built | 1 + 1 airworthy replica |
Soon after its first flight, it was exhibited at the inaugural International Aviation Exhibition in Prague. Its reception there was so enthusiastic that Czechoslovak president Tomáš Masaryk awarded Avia a 100,000 CSK development grant.
The BH-1 was subsequently rebuilt with a Gnome Omega rotary engine and was finally able to fly with two people aboard. It was known as the BH-1 bis in this configuration, and in 1921 won the Czechoslovak national cross-country rally with an average speed of 125 km/h (78 mph) over the 860 km (536 mi) course. The aircraft was damaged in a crash the following spring and was never repaired, having been surpassed by improved designs.
In 2004, Marcel Sezemský built a flying replica of the aircraft, powered by a Walter Mikron engine.
General characteristics
Performance
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