Avia BH-7
The Avia BH -7 was a Czechoslovakian aircraft from the first half of the 1920s. It produced two prototypes.
Development
The War Department of the CSR tried to beginning of the 1920s, to be developed aircraft from the domestic industry to be independent of supplies from abroad. 1923, issued a tender in which a single-seat fighter was demanded. Pavel Beneš and Miroslav Hajn, the two developers at Avia, then constructed two types of aircraft. The biplane BH -6 was with its lower wing, which was longer than the upper wing, a typical Beneš / Hajn construction of the 1920s and the beginning of the line running through the BH -8 and BH -17 in the successful BH -21 resulted.
The second model BH -7 differed mainly in its interpretation of a high wing of the bra - sixth The wing was connected by N- stems with the fuselage. The radiator was located, Avia - typically, between the legs of rigid and interconnected by an axle main gear.
The first prototype BH -7A was intended for the army and received a Hispano -Suiza engine 8Fb license from Škoda design with a double wooden propeller. The second prototype BH -7B was intended as a racing aircraft for competitions and had a compressor. He differed from the military version also by the shortened by 1.40 m span.
The aircraft did not went into production, the findings of the trial were included in the follow-up models.