Avia BH-4

BH-4

Manufacturer: Avia
Designed by: Pavel Beneš and Miroslav Hajn
First flight: 1922
Number built: 1

The Avia BH-4 was a prototype fighter aircraft built in Czechoslovakia in 1922. It was a development of the BH-3 fitted with a Hispano-Suiza 8 engine in an attempt to improve the aircraft's performance. To accommodate the new powerplant, the forward fuselage was considerably redesigned, and the structure in general and undercarriage in particular were strengthened. Performance was found to be only marginally better than the BH-3, and development was quickly abandoned.

Specifications

General characteristics

Crew: one pilot
Length: 6.47 m (21 ft 3 in)
Wingspan: 10.25 m (33 ft 7 in)
Height: 2.97 m (9 ft 9 in)
Wing area: 15.8 m˛ (170 ft˛)
Empty weight: 724 kg (1,596 lb)
Gross weight: 1,015 kg (2,238 lb)
Powerplant: 1 x— Hispano-Suiza 8Ba Vee-8, 164 kW (220 hp)

Performance

Maximum speed: 222 km/h (138 mph)
Range: 510 km (320 miles)
Service ceiling: 6,700 m (22,000 ft)
Rate of climb: 4.2 m/s (820 ft/min)

Armament

2 x— fixed, forward-firing machine guns

Related development BH-3

Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. pp. 86.
World Aircraft Information Files. London: Bright Star Publishing. pp. File 889 Sheet 86.
NÄ›meÄŤek, V. (1968). ÄŚeskoslovenskxˇ letadla. Praha: Naše Vojsko.
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Source: WikiPedia