johnbr

geebeer1nagaoka

Specifications (Gee Bee Super Sportster R-1) Data from "The Influence of Racing Types on Commercial Aircraft Design"[9] General characteristics Crew: 1 Length: 17 ft 8 in (5.38 m) Wingspan: 25 ft (7.62 m) Height: 8 ft 2 in (2.48 m) Wing area: 75 ft² (6.97 m²) Empty weight: 1840 lbs (834 kg) Loaded weight: 2,415 lbs (1,095 kg) Max. takeoff weight: 3075 lbs (1394.8 kg) Powerplant: 1 × Pratt & Whitney Wasp 1,344 cuin (22 l) displacement Air Cooled 9 cylinder radial, 800 hp (596.5 kW) Aspect ratio: 6.1 , Incidence: 2.5 Degrees Performance Maximum speed: 294.38 mph (473.8 km/h) Cruise speed: 260 mph (418.4 km/h) Stall speed: 90 mph (144 km/h) Range: 925 miles (1488 km) 630 miles, full throttle Rate of climb: 6100 ft/min (31 m/s Lift-to-drag ratio: 14.6 full throttle: 2.14 hours cruising: 3.65 hours) Note that the R-2 originally used a 550 hp Pratt & Whitney R-985 Wasp Junior nine cylinder radial powerplant, as the aircraft was designed primarily as a cross-country racer with increased tankage that did not require the larger 800 hp Wasp. In 1933, the R-2 was modified for close circuit racing and was fitted with the more powerful engine and cowling of the R-1 version. Other modifications included

geebeer1nagaoka
johnbr, Jan 14, 2013
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