Engineering Division TW-1
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 Liberty 6. The second aircraft was tested at McCook Field, and subsequently modified with a Packard 1A-1237 engine but no others were built.Specifications
