The Engineering Division TW-1 was an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 two-seat training biplane

Biplane

A biplane is a fixed-wing aircraft with two superimposed main wings. The Wright brothers' Wright Flyer used a biplane design, as did most aircraft in the early years of aviation. While a biplane wing structure has a structural advantage, it produces more drag than a similar monoplane wing...

 designed by the United States Army

United States Army

The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

 Engineering Division

Engineering Division

The Engineering Division was a division of the Aviation Section, U.S. Signal Corps in the United States Department of War. It was formed on 31 August 1918, under the direction of Lt Col Jesse G. Vincent, to study and design American versions of foreign aircraft. It was later renamed Engineering...

, only two were built and the type did not enter production.

Design and development

Two prototypes of the TW-1 were built powered by a 230 hp Liberty 6. The second aircraft was tested at McCook Field

McCook Field

McCook Field was an airfield and aviation experimentation station operated by the Aviation Section, U.S. Signal Corps and its successor the United States Army Air Service from 1917-1927...

, (given the McCook designation P-200) and subsequently modified with a 350 hp Packard 1A-1237 engine but no others were built.

Specifications

See also