Thompson Boxmoth

Last updated
Boxmoth
Role Homebuilt aircraft
National origin United States
Manufacturer Thompson Aircraft Company
DesignerRichard Thompson
Introduction1972
Number built1

The Thompson Boxmoth is an American unconventional tandem wing aircraft that was built in the early 1970s by the Thompson Aircraft Company. Patent US39309624, Jan 6, 1976. Only one was constructed.

United States federal republic in North America

The United States of America (USA), commonly known as the United States or America, is a country composed of 50 states, a federal district, five major self-governing territories, and various possessions. At 3.8 million square miles, the United States is the world's third or fourth largest country by total area and is slightly smaller than the entire continent of Europe's 3.9 million square miles. With a population of over 327 million people, the U.S. is the third most populous country. The capital is Washington, D.C., and the largest city by population is New York City. Forty-eight states and the capital's federal district are contiguous in North America between Canada and Mexico. The State of Alaska is in the northwest corner of North America, bordered by Canada to the east and across the Bering Strait from Russia to the west. The State of Hawaii is an archipelago in the mid-Pacific Ocean. The U.S. territories are scattered about the Pacific Ocean and the Caribbean Sea, stretching across nine official time zones. The extremely diverse geography, climate, and wildlife of the United States make it one of the world's 17 megadiverse countries.

Contents

Design and development

The Boxmoth is an open frame, conventional landing gear equipped aircraft with two tube made, vinyl covered wings in tandem. Each of pair of the box-wings are shaped like a diamond from the front, or a biplane configuration with the wings joined at the outboard wingtips. The rear wing acts as a tailplane and houses a vertical internal rudder surface. The configuration is also similar to a rhomboidal box kite. [1] The engine and propeller are mounted in the center of the forward wing. The fuselage is constructed from aluminum tubing with aircraft fabric covering. [2]

Conventional landing gear aircraft undercarriage arrangement with main gear forward plus tail support

Conventional landing gear, or tailwheel-type landing gear, is an aircraft undercarriage consisting of two main wheels forward of the center of gravity and a small wheel or skid to support the tail. The term taildragger is also used, although some claim it should apply only to those aircraft with a tailskid rather than a wheel.

Biplane airplane wing configuration with two vertically stacked main flying surfaces

A biplane is a fixed-wing aircraft with two main wings stacked one above the other. The first powered, controlled aeroplane to fly, the Wright Flyer, used a biplane wing arrangement, as did many aircraft in the early years of aviation. While a biplane wing structure has a structural advantage over a monoplane, it produces more drag than a similar unbraced or cantilever monoplane wing. Improved structural techniques, better materials and the quest for greater speed made the biplane configuration obsolete for most purposes by the late 1930s.

Tailplane small lifting surface located on the tail (empennage) behind the main lifting surfaces of a fixed-wing aircraft as well as other non-fixed-wing aircraft such as helicopters and gyroplanes

A tailplane, also known as a horizontal stabiliser, is a small lifting surface located on the tail (empennage) behind the main lifting surfaces of a fixed-wing aircraft as well as other non-fixed-wing aircraft such as helicopters and gyroplanes. Not all fixed-wing aircraft have tailplanes. Canards, tailless and flying wing aircraft have no separate tailplane, while in V-tail aircraft the vertical stabilizer, rudder, and the tail-plane and elevator are combined to form two diagonal surfaces in a V layout.

Specifications (Boxmoth)

Data from Air Progress

General characteristics

Performance

  • Maximum speed: 39 kn; 72 km/h (45 mph)
  • Wing loading: 2 lb/sq ft (9.8 kg/m2)

See also

Aircraft of comparable role, configuration and era

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References

  1. Flight International. 29 October 1977.Missing or empty |title= (help)
  2. Air Progress: 8. October 1977.Missing or empty |title= (help)