The Midwest MU-1 was an American single-seat,

high-wing A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes. A monoplane has inherently the highest efficiency and lowest drag of any wing confi ...

strut-braced In aeronautics, bracing comprises additional structural members which stiffen the functional airframe to give it rigidity and strength under load. Bracing may be applied both internally and externally, and may take the form of strut, which act in ...

utility

glider Glider may refer to: Aircraft and transport Aircraft * Glider (aircraft), heavier-than-air aircraft primarily intended for unpowered flight ** Glider (sailplane), a rigid-winged glider aircraft with an undercarriage, used in the sport of glidin ...

that was designed by Arthur B. Schultz in the 1930s.Said, Bob: ''1983 Sailplane Directory,

Soaring Magazine ''SOARING'' is a magazine published monthly as a membership benefit of the Soaring Society of America. It was first published in 1937. The headquarters is in Hobbs, New Mexico. The magazine's article topics include safety issues and accounts of ind ...

'', page 61,

Soaring Society of America The Soaring Society of America (SSA) was founded at the instigation of Warren E. Eaton to promote the sport of soaring in the USA and internationally. The first meeting was held in New York City in the McGraw–Hill Building on February 20, 1932. ...

November 1983. USPS 499-920

Design and development

The MU-1 was designed by Schultz prior to the

Second World War World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

and was used by the

United States Army Air Corps The United States Army Air Corps (USAAC) was the aerial warfare service component of the United States Army between 1926 and 1941. After World War I, as early aviation became an increasingly important part of modern warfare, a philosophical r ...

for glider training and designated as the Midwest TG-18. The MU-1 was constructed with a welded steel tube

fuselage The fuselage (; from the French ''fuselé'' "spindle-shaped") is an aircraft's main body section. It holds crew, passengers, or cargo. In single-engine aircraft, it will usually contain an engine as well, although in some amphibious aircraft t ...

and a wooden-framed wings, all covered in doped

aircraft fabric covering Aircraft fabric covering is a term used for both the material used and the process of covering aircraft open structures. It is also used for reinforcing closed plywood structures. The de Havilland Mosquito is an example of this technique, as ar ...

. The wing was of span, employed a

NACA The National Advisory Committee for Aeronautics (NACA) was a United States federal agency founded on March 3, 1915, to undertake, promote, and institutionalize aeronautical research. On October 1, 1958, the agency was dissolved and its assets ...

4412

airfoil An airfoil (American English) or aerofoil (British English) is the cross-sectional shape of an object whose motion through a gas is capable of generating significant lift, such as a wing, a sail, or the blades of propeller, rotor, or turbine. ...

and was supported by two parallel struts with

jury strut In aeronautics, bracing comprises additional structural members which stiffen the functional airframe to give it rigidity and strength under load. Bracing may be applied both internally and externally, and may take the form of strut, which act in c ...

s. Landing gear was a fixed monowheel. The aircraft was

type certified A type certificate signifies the airworthiness of a particular category of aircraft, according to its manufacturing design (''type design''). It confirms that the aircraft of a new type intended for serial production, is in compliance with applica ...

on 13 October 1944 and about six were completed by Midwest Sailplane and possibly also by the Motorless Flight Institute of

Chicago, Illinois (''City in a Garden''); I Will , image_map = , map_caption = Interactive Map of Chicago , coordinates = , coordinates_footnotes = , subdivision_type = Country , subdivision_name ...

Operational history

In 1983

reported that two MU-1s were still in existence, but in October 2015 only one was on the

Federal Aviation Administration The Federal Aviation Administration (FAA) is the largest transportation agency of the U.S. government and regulates all aspects of civil aviation in the country as well as over surrounding international waters. Its powers include air traffic m ...

registry.

Variants

;MU-1 :Standard model with wingspan and wing area ;MU-1 long-wing :Version with a longer span, double-tapered wing of similar wing area. This model may have been a proposal only as completed examples have not been confirmed. ;

Schultz ABC __NOTOC__ The Schultz ABC was a 1930s American glider designed by Arthur B. Schultz. Design and development The ABC was designed to compete in the 1937 Eaton Design Contest held in conjunction with the 8th US National Gliding Championships. This ...

:Developed from the MU-1, the ABC has a longer wingspan and higher

glide ratio In aerodynamics, the lift-to-drag ratio (or L/D ratio) is the lift generated by an aerodynamic body such as an aerofoil or aircraft, divided by the aerodynamic drag caused by moving through air. It describes the aerodynamic efficiency under give ...

. It won the 1937 Eaton Design Competition ;TG-18:Military designation for impressed MU-1 gliders used for glider pilot training.

Design and development

Operational history

Variants

Operators

Military

Specifications (MU-1)

See also

References

External links