__NOTOC__ The Boeing TB (or Model 63) was an American torpedo bomber biplane designed by the US Navy and built by

Boeing The Boeing Company () is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, telecommunications equipment, and missiles worldwide. The company also provides leasing and product ...

in 1927.

Development and design

The TB was an improved version of the

Martin T3M The Martin T3M was an American torpedo bomber of the 1920s. A single-engined three-seat biplane, it became a standard torpedo bomber of the U.S. Navy, operating from both land bases and from aircraft carriers from 1926 to 1932. Development an ...

. It was constructed of all

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, with a fabric covering. The equal-span wings were large and unstaggered, and could be folded aft, reducing the span to for storage. The wheeled undercarriage was a conventional configuration that could be interchanged with floats. As a landplane, the main gear units carried twin wheels. The underside of the fuselage incorporated a glazed station for the bombardier. Even before the three XTB-1s were delivered, the Navy's Bureau of Aeronautics had changed its opinion about what was needed in a torpedo bomber, and based on experience with the NAF XTN-1 had decided that a twin-engine aircraft would better suit the role. Having thus been made redundant, no TBs past the three prototypes were built.

Specifications

Boeing_TB-1_3-view_L'Aéronautique_October,1927

References

* * * {{USN torpedo aircraft Boeing TB TB Single-engined tractor aircraft Biplanes