Grumman XTB3F-2 "Avenger"

Testbed

Test Engine: De Havilland H-1B "Goblin" turbojet

Engine: 1x Wright R-2600-8 radial piston engine with 1,700 hp

Wing Span: 54' 2''

Length: 40' 11.5''

Height: 16' 5''

Weight: Empty 10,100 lb / Loaded 15,905 lb

Maximum Speed: 278 mph

Ceiling: 23,400'

Range: 2,530 miles

Crew: 3

Armament: 3x .30 machine guns / 2,000 lb of bombs or 1x 21'' torpedo

History:
The XTBF-3 started life as a TBF-1 "Avenger"(24141), In 1943 it was converted to become the prototype for the General Motors TBM-3 with a Wright R-2600-20 piston engine making 1,900 hp. Later the aircraft was modified to become a testbed for the British De Havilland H1-B "Goblin" turbojet engine, to be made under-licence by General Motors as the J-36.