Engineering Division TW-1

TW-1
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.

Two prototypes of the TW-1 were built powered by a 230 hp (172 kW) Liberty 6. 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.

Data from aerofiles.com

General characteristics

...
Wikipedia