|FIGHTER||Virtual Aircraft Museum / Czechoslovakia / Avia|
In parallel with production of the BH-21 fighter, Avia manufactured a lighter, lower-powered aerobatic advanced training version without armament, 30 examples being built as the BH-22. By a reverse process, a single-seat light night fighter was evolved by introducing armament on the BH-22 trainer in 1925, two prototypes being completed and evaluated as the BH-23 (also known as the BH-22N). The BH-23 was powered by a Skoda-built HS 8Aa eight-cylinder watercooled Vee engine rated at 180hp, and armament comprised two 7.7mm machine guns. No production of the BH-23 was undertaken.
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