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Martin XT4M-1

Description
  Manufacturer:Martin
  Base model:T4M
  Designation:XT4M
  Version:-1
  Designation System:U.S. Navy / Marines
  Designation Period:1922-1935
  Basic role:Torpedo Bomber
  Status:Experimental

Specifications
  Length: 35' 7" 10.8 m
  Height:13' 5" 4.0 m
  Wingspan: 53' 0" 16.1 m
  Gross Weight: 6,781 lb 3,075 kg

Propulsion
  Powerplant: Pratt & Whitney R-1690
  Horsepower (each): 525

Performance
  Max Speed: 120 mph 193 km/h 104 kt
  Ceiling: 12,500 ft 3,809 m

Known serial numbers
A-7566