Crew: one, pilot
Length: 43 ft 3 in (13.1 m)
Wingspan: 54 ft (16.5 m)
Height: 16 ft 3 in (5.0 m)
Wing area: 489 ft² (45.4 m²)
Empty weight: 13,519 lb (6,132 kg)
Loaded weight: 20,508 lb (9,302 kg)
Max. takeoff weight: 21,691 lb (9,839 kg)
Powerplant: 1 × Pratt & Whitney XR-4360-10 28-cylinder four-row radial engine, 3,000 hp (2,240 kW)
Performance
Maximum speed: 376 knots (432 mph, 695 km/h)
Cruise speed: 165 knots (190 mph, 306 km/h)
Range: 2,435 NM (2,800 miles, 4,500 km)
Service ceiling: 37,500 ft (11,400 m)
Rate of climb: 2,800 ft/min (850 m/min)
Power/mass: 0.15 hp/lb (240 W/kg)
