B-26 Marauder Specifications

GENERAL CHARACTERISTICS:
Type: Medium bomber
Manufacturer: Glenn L. Martin Company
Maiden flight: 25 November, 1940
Became operational: 1941
Years produced: 1941-1945
Number built: 5,288
Average unit cost: $102,659 (B-26A in 1941 dollars)
DIMENSIONS & FUEL CAPACITY:
Length: 58 feet, 3 inches (17.8 meters)
Wingspan: 71 feet, 0 inches (21.65 meters)
Height: 21 feet, 6 inches (6.55 meters)
Wing area: 658 square feet (61.1 square meters)
Aspect ratio: 7.66
Standard Fuel Capacity:

942 U.S. gallons (784 Imperial gal.) total:

  • 700 U.S. gallons (583 Imp gal.) in two main self-sealing tanks;
  • 242 U.S. gallons (202 Imp. gal.) in two unprotected auxiliary tanks.
WEIGHTS:
Empty Weight: 24,000 lbs. (11,000 kg.)
Loaded weight: 37,000 lbs. (17,000 kg.)
PROPULSION SYSTEMS:
Powerplants :

2 Pratt & Whitney R-2800-43 radials

Power output: 1,900 hp. (1,400 kW each)
Propellers: Curtis Electric, 4-bladed (13 feet, 6 inches in diameter)
FLIGHTCREW:
Standard Crew (7):

1)  Pilot

1)  Copilot

1)  Bombardier

1)  Navigator/Radio Operator

3)  Gunners

PERFORMANCE:
Maximum speed: 287 mph/250 knots (460 kph) at 5,000 ft. (1,500 meters)
Cruise speed: 216 mph/188 knots (358 kph)
Landing speed: 104 mph/90 knots (167 kph)
Initial rate of climb: 1,000 to 1,500 feet per minute (305 to 450 meters per minute)
Combar radius: 999 nautical miles (1,150 statute miles/1,850 km)
Ferry range: 2,480 nautical miles (2,850 statute miles/4,590 km)
Service ceiling: 21,000 feet (6,400 meters)
Wing loading: 46.4 lbs/square ft. (228 kg/ square meter)
Power/Mass Ratio: 0.10 hp/lb. (170 W/kg)
Lift to drag ratio: 12.0
Zero-lift drag coefficient: 0.0314
Drag area: 20.66 square feet (1.92 square meters)
WEAPONS:
Bombs:

4,000 lbs. (1,800 kg) carried in two bomb bays (forward & aft).  Typical loadout was:

  • 2) 2,000 lb. bombs or;
  • 4) 1,000 lb. bombs
Guns (11 or 12 total):

.50 inch (12.7 mm) Colt-Browning machine guns mounted as follows:

  • 4)  Fixed, forward-firing on the sides of the forward fuselage;
  • 1)  Trainable, forward-firing in the nose position;
  • 2)  Trainable, lateral-firing, one in each of the beam positions;
  • 2)  Trainable, in the Martin power-operated dorsal turret;
  • 2)  Trainable, rearward-firing in the power-operated Bell tail turret.
Top of Page