Specifications for the
Hughes Model D-2 (XP-73 / XA-37)
Heavy Fighter / Fighter-Bomber / Fast Reconnaissance
Focus Model: Hughes Model D-2 (XA-37)
Country of Origin: United States
Manufacturer: Hughes Aircraft - USA
Initial Year of Service: 1943
Crew: 2 to 5
Length: 57.74 ft (17.6 m)
Width: 60.01 ft (18.29 m)
Height: 27.23 ft (8.30 m)
Weight (Empty): 26,455 lb (12,000 kg)
Weight (MTOW): 31,672 lb (14,366 kg)
Powerplant: ORIGINALLY: 2 x Wright XR-2160 Tornado engines; OFFICIAL: 2 x Pratt & Whitney R-2800-49 engines developing 2,000 horsepower each.
Maximum Speed: 432 mph (696 kmh; 376 kts)
Maximum Range: 1,000miles (1,610 km)
Service Ceiling: 36,007 ft (10,975m; 6.8 miles)
Rate-of-Climb: 2,620 feet-per-minute (799 m/min)
Highly variable throughout development. Proposed:
6 x 20mm cannons in nose
4 x 0.50 caliber Browning heavy machine guns in remote-controlled powered rear turret.
6 x 12.7mm Browning M2 heavy machine guns in nose.
At one point up to 4,000lbs of conventional drop ordnance in an internal bomb bay.
Model D-2 - Base Series Designation