Specifications - Civilian variants

	Specifications - Military variants     Douglas A-26, B-26 Invader   General information   Manufacturer: The Douglas Aircraft Co. Inc., Santa Monica, Cal, USA. Designed by: E Heinemann, Robert Donovan and Ted R. Smith Designations: A-26; B-26, JD First official flight: XA-26 10/07/1942 at Mines Field, El Segundo. Last bona fide Military aircraft retired: 1972 44-34610 - National Guard Bureau Douglas test Pilot: Benny Howard Factory production period: 1942 - 1945 Primary service period: 1944 - 1969 Working life: 1944 - 2008 ( Incl. Air tanker ops )  Note: N7079G Currently used as executive company transport Number built: 2452 Nickname: Little hummer / Little racer Unit cost: US$242,595 Today's cost: US$145,000 ( £75,000.00 Pounds stirling )  market value for an approx. 5000 Hours airframe      General Specifications ( Covering all marks )     Length: 51' 3" (15.24 m) Height: 18' 6" (5.64 m) Wingspan: 70' (21.34 m) Wing Area: 540 Sq. Feet (50 m²) Empty weight: 22,850 lb (10,365 kg) Loaded weight: 27,600 lb (12,519 kg) Max takeoff weight: 35,000 lb (15,900 kg)     Propulsion Number of Engines: 2 Powerplant: Pratt & Whitney R-2800-27 "Double Wasp" 18-cylinder radial engines; Horsepower: 2000 HP each (1,500 kW) Propellers: Hamilton Standard 33D50     Performance Normal Range: 1400 miles (1,200 nm, 2,300 km) Maximum (ferry) range: 3200 miles Cruise Speed: 284 mph Max Speed: 355 mph (308 knots, 570 km/h) at 15,000 feet Ceiling: 22,100 feet (6,700 m) Rate of climb: 1,250 ft/min (6.4 m/s)     Note: An altitude of 10,000 feet could be attained in 8.0 - 8.2 minutes Wing loading: 51 lb/ft² (250 kg/m²) Power/mass: 0.145 hp/lb (108 W/kg)     Airfoils Wing Root Airfoil: NACA 65-215 Wing Tip Airfoil: NACA 65-215   Diving Speeds: 26,000 lbs gross  -  425 IAS 32,000 lbs gross  -  400 IAS 35,500 lbs gross  -  360 IAS     Fuel capacity Internal: 6.056 l Plus provision for 1.173 l if the ventral barbette was omitted (mostly the Pacific theatre) Fuel capacity external: 1.741 l in two drop tanks. Main Tanks: 300 gals each Aux Tanks: 100 gallons each Bomb Bay Tank: 125 gallons Total Normal: - 925 gallons Ferry Tank: 675 gallons Total Ferry: - 1600 gallons   Note: The ventral barbette was dropped for an additional fuel tank with 258.1 Imp gal (310 US gal/1.173 l) in some cases for Pacific operations. Option of 460 US gal fuel in two wing mounted drop tanks, 1 hard point each. Normal fuel consumption at cruise approx 150 gph   Armament Guns: typical, late model A-26B 8× 0.50 in (12.7 mm) M2 Browning machine guns in the nose 6-8 × 0.50 in M2 machine guns in/under the wings (internally mount or gun pods) 2× 0.50 in M2 machine guns in remote-controlled dorsal turret 2× 0.50 in M2 machine guns in remote-controlled ventral turret (or fuel cell)   Bombs 6,000 lb (2,700 kg)-4,000 lb in the bomb bay and 2,000 lb external on the wings (post A-26C-45-DT block introduction). C-model  typically was built with 2 forward firing .50's, plus 2-twin barbettes and additional guns were added to the wings once delivered for operations in the field. C-models performed as pathfinders and observation aircraft often, and were fewer in production numbers.  6 -.50s (later upped to 8) – most commonly ordered configuration  1 - 37mm and 4 - .50's  1 - 37mm and 2 - .50's  2 - 37mm’s (gah!)  1 - 75mm and 1 - 37 mm (Racks held 20 rounds for manually loaded 75mm)  1 - 75mm and 2 -.50's Ammo capacity: 500 rounds-per-gun in the barbettes 400 rounds-per-gun in the nose. 75mm: 20 rounds, manually loaded by crew from jump seat in cockpit.       Ordinance: Up to 6,000 lb, consisting of 2 × 2,000 lb max in 2 internal bays, plus 4 underwing hardpoints rated at 500 lb each. Total of 20 hard points, but maximum of 16 could be used at any one time points. Loadout was generally: * 4 × 1,000 lb, or * 8 × 500 lb, or * 8 × 250 lb, or * 12 × 100 lb internal * 4 × 500 lb or 4 × 250 lb under the wings additional typical, 4 X 100 lbs possible Torpedoes/rockets: 14 × 5 inch rockets under the wings instead of bombs. (Original Training Guide also lists 2 torpedoes carried internally (doors open)   A typical underwing load was A pair of SUU-025 flare dispensers Two LAU-3A rocket pods and four CBU-14 cluster bomb units Rockets and flares were often replaced by 500 lbs BLU-23 or 750-lbs BLU-37 finned napalm bombs The M31 and M32 incendiary clusters could also be carried, as well as M34 and M35 incendiary bombs M1A4 fragmentation clusters M47 white phosphorus bombs CBU-24, -25, -29 and -49 cluster bomb units General-purpose bombs such as the 250-lbs Mk. 81, the 500 lbs Mk. 82 and 750 lbs M117 could also be carried

Performance tables

	FA-26C   Specifications Armament: None -- some FA-26Cs were equipped with photo flash bombs for night photography Engines: Two Pratt & Whitney R-2800s of 2,000 hp each  Maximum speed (A-26C): 373 mph Cruising speed (A-26C): 284 mph Range (A-26C): 1,400 miles Service ceiling (A-26C): 28,000 ft. Span: 70 ft. Length: 51 ft. 3 in. Height: 18 ft. 3 in. Weight: Approx. 35,000 lbs. loaded

	RB-26C    Specifications   Armament: None, usually. Some aircraft were equipped with wing racks holding either rockets or bombs. The bomb bay could be loaded with photo flash bombs for night photography. Engines: Two Pratt & Whitney R-2800s of 2,000 hp each Maximum speed (A-26C): 373 mph Cruising speed (A-26C): 284 mph Range (A-26C): 1,400 miles Service ceiling (A-26C): 28,000 ft. Span: 70 ft. Length: 51 ft. 3 in. Height: 18 ft. 3 in. Weight: Approx. 35,000 lbs. loaded

	RB-26L   Specifications Armament: Two .50-cal. machine guns in a dorsal barbette, two .50-cal. machine guns in a ventral barbette (sometimes omitted in favor of an extra fuel cell), eight forward firing .50-cal. machine guns in the nose and six .50-cal. machine guns in the wings plus provisions for 6,000 lbs. of bombs (4,000 lbs. internal and 2,000 lbs. external on wing racks), 14 5-inch rockets could be carried in place of the wing-mounted bombs Engines: Two Pratt & Whitney R-2800-27 (or -71 or -79) radials of 2,000 hp. each Maximum speed: 322 mph Cruising speed: 278 mph Range: 2,900 miles maximum ferry range Service ceiling: 24,500 ft. Span: 70 ft. 0 in. Length: 50 ft. 8 in. Height: 18 ft. 6 in. Weight: Approx. 41,800 lbs. gross takeoff weight Crew: Three (pilot, navigator, gunner)

	DB-26B   Specifications Armament: None (DB-26B carried two Q-2A Firebee drones) Engines: Two Pratt & Whitney R-2800-27 (or -71 or -79) radials of 2,000 hp each Maximum speed: 322 mph Cruising speed: 278 mph Range: 2,900 miles maximum ferry range Service ceiling: 24,500 ft. Span: 70 ft. 0 in. Length: 50 ft. 8 in. Height: 18 ft. 6 in. Weight: Approx. 41,800 lbs. gross takeoff weight

	EB-26B   EB-26B   Specifications Armament: None Engines: Two Pratt & Whitney R-2800-27 radials of 2,000 hp each Maximum speed: Approx. 150 mph (aircraft could not fly) Span: N/A (outer wings were removed) Length: 50 ft. 8 in. Height: 18 ft. 6 in.

	On Mark B-26K Counter Invader Crew: 2 Length: 51 feet 7 3/16 inches Wingspan: 71 feet 6 inches (over wingtip tanks) Height: 19 feet 0 inches Wing area: 540 square feet. Empty Weight: 25,130 pounds empty Loaded Wieght: 37,000 pounds loaded Max takeoff weight: 39,250 pounds maximum. Powerplant: Two Pratt & Whitney R-2800-52W air-cooled radials, each rated at 2500 hp for takeoff and 1750 hp at 15,000 feet. Performance: Maximum speed: 323 mph at 15,000 feet, 291 mph at sea level. Cruising speed: 169 mph. Stalling speed: 114 mph. Airfoils Wing Root Airfoil: NACA 65-215 Wing Tip Airfoil: NACA 65-215     Armament Eight forward-firing 0.50-inch machine guns in nose Six forward-firing 0.50-inch machine guns in the wings.     Ordinance 2 No - SUU-025 flare dispensers, 2 No - LAU-3A rocket pods and 4 No. CBU-14 cluster bomb units. Later, the rockets and flares were often replaced by 500-lb BLU-23 or 750-lb BLU-37 finned napalm bombs. M31 and M32 incendiary clusters M34 and M35 incendiary bombs M1A4 fragmentation clusters M47 white phosphorus bombs CBU-24, -25, -29 and -49 cluster bomb units General-purpose bombs such as the 250-lb Mk. 81, the 500-lb Mk. 82 and 750-lb M117 could also be carried.   The following items were some of the more significant and visible items included in the On Mark B-26K work. · Higher powered R-2800 Engines · New props. With reversing capability · Wing tip fuel tanks · Improved and strengthened wings with more pylons · Remanufactured fuselages · Updated avionics. · Landing Gear strengthened and KC-135 wheels and brakes used. · Larger rudder installed · Dual controls and a standardized cockpit · Provisions for JATO use · Gun armament was standardized with an eight gun nose. · Turrets were deleted.

	FA-26C-26C 1945, night reconnaissance aircraft with cameras and radar Armament: None -- some FA-26Cs were equipped with photo flash bombs for night photography Engines: Two Pratt & Whitney R-2800s of 2,000 hp each  Maximum speed (A-26C): 373 mph Cruising speed (A-26C): 284 mph Range (A-26C): 1,400 miles Service ceiling (A-26C): 28,000 ft. Span: 70 ft. Length: 51 ft. 3 in. Height: 18 ft. 3 in. Weight: Approx. 35,000 lbs. loaded

	RB-26C Armament: None, usually. Some aircraft were equipped with wing racks holding either rockets or bombs. The bomb bay could be loaded with photo flash bombs for night photography. Engines: Two Pratt & Whitney R-2800s of 2,000 hp each Maximum speed (A-26C): 373 mph Cruising speed (A-26C): 284 mph Range (A-26C): 1,400 miles Service ceiling (A-26C): 28,000 ft. Span: 70 ft. Length: 51 ft. 3 in. Height: 18 ft. 3 in. Weight: Approx. 35,000 lbs. loaded

	EB-26B/C    Aircraft used for missile guidance research Armament: None Engines: Two Pratt & Whitney R-2800-27 radials of 2,000 hp each Maximum speed: Approx. 150 mph (aircraft could not fly) Span: N/A (outer wings were removed) Length: 50 ft. 8 in. Height: 18 ft. 6 in. Serial number: 44-34137 (originally A-26B-45-DL)

	Flight characteristics of the Douglas A-26 Invader