Specifications (XP-58)
Lockheed XP-58 Chain Lightning side view.Data from Lockheed Aircraft since 1913[5]
General characteristics
Crew: two, pilot and gunner
Length: 49 ft 5½ in (15.07 m)
Wingspan: 70 ft (21.34 m)
Height: 16 ft (4.88 m)
Wing area: 600 ft² (55.7 m²)
Empty weight: 31,624 lb (14,344 kg)
Max takeoff weight: 39,192 lb (17,777 kg)
Powerplant: 2× Allison V-3420 24 cylinder liquid-cooled engine, 3,000 hp (2,238 kW) each
Performance
Maximum speed: 436 mph (379 knots, 702 km/h) at 25,000 ft (7,620 m)
Cruise speed: 283 mph (246 knots, 455 km/h)
Range: 2,650 mi (2,304 nmi, 4,265 km)
Service ceiling: 38,200 ft (11,645 m)
Rate of climb: 2,582 ft/min (13.1 m/min)
Armament
Guns:
4 × 37 mm (1.46 in) cannon or 1 × 75 mm (2.95 in) cannon and 2 × .50 in (12.7 mm) machine guns in interchangable nose
4 × .50 in (12.7 mm) machine guns in two remotely controlled flexible turrets in the rear.