Engineering Division TW-1

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Engineering Division TW-1.jpg
Role Training biplane
National origin United States
Manufacturer Engineering Division
First flight 1920
Primary user United States Army Air Service
Number built 2

The Engineering Division TW-1 was an American two-seat training biplane designed by the United States Army Engineering Division, only two were built and the type did not enter production.[1][2]

Design and development[edit]

Two prototypes of the TW-1 were built powered by a 230 hp (172 kW) Liberty 6.[1] The second aircraft was tested at McCook Field, (given the McCook designation P-200) and subsequently modified with a 350 hp (261 kW) Packard 1A-1237 engine but no others were built.[1]


Data from [2]

General characteristics

  • Crew: 2
  • Length: 28 ft 10 in (8.79 m)
  • Wingspan: 41 ft 0 in (12.5 m)
  • Powerplant: 1 × Liberty 6, 230 hp (172 kW)

See also[edit]

Related lists



  1. ^ a b c Andrade 1979, p. 171
  2. ^ a b "American airplanes: Ea - Ew". 2 May 2009. Retrieved 13 November 2011. 


  • Andrade, John (1979). U.S. Military Aircraft Designations and Serials since 1909. Hinckley, Leicstershire, UK: Midland Counties Publications. ISBN 0-904597-22-9.