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Curtiss PW-8



The PW-8 (the "PW" prefix indicating "Pursuit Water-cooled") was a single-seat two-bay fighter biplane of mixed construction - plywood-covered wooden wings and fabric-skinned welded steel tube fuselage - powered by a 440hp Curtiss D-12 water-cooled 12- cylinder Vee engine. Three prototypes were ordered on 27 April 1923, and the first of these, flown in the previous January, was retroactively designated XPW-8 on 14 May 1924. The second prototype, flown in March 1924, embodied some aerodynamic refinement and provided the basis for the production PW-8, 25 examples being ordered on 25 September 1923 and delivered between June and August 1924.
The PW-8 featured wing surface radiators and armament normally comprised two 7.62mm machine guns. A turbo-supercharger was experimentally fitted to the second production aircraft, and the third prototype (XPW-8A), delivered in February 1924, featured 9.14m span single-bay wings and a revised radiator arrangement. It was subsequently fitted with a tunnel-type radiator (as the XPW-8A) and, in December 1924, with 9.60m span wings of tapered planform and Clark Y aerofoil section as the XPW-8B. It thus became, in effect, the prototype P-1 Hawk.

Take-off weight: 1429 kg / 3150 lb
Empty weight: 994 kg / 2191 lb
Wingspan: 9.75 m / 31 ft 12 in
Length: 6.86 m / 22 ft 6 in
Height: 2.69 m / 8 ft 10 in
Wing area: 26.66 sq.m / 286.97 sq ft
Max. speed: 270 km/h / 168 mph
Range: 708 km / 440 miles




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