Specifications (Gee Bee Super Sportster R-1)
Data from "The Influence of Racing Types on Commercial Aircraft Design"
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 a larger wing, equipped with flaps.
Read more about this topic: Gee Bee Model R
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