Brutsche Freedom 40
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The Brutsche Freedom 40 was an American
homebuilt aircraft Homebuilt aircraft, also known as amateur-built aircraft or kit planes, are constructed by persons for whom this is not a professional activity. These aircraft may be constructed from "scratch", from plans, or from assembly kits.Armstrong, Kenn ...
that was designed by Neal H. Brutsche and produced by Brutsche Aircraft Corporation of
Salt Lake City, Utah Salt Lake City (often shortened to Salt Lake and abbreviated as SLC) is the Capital (political), capital and List of cities and towns in Utah, most populous city of Utah, United States. It is the county seat, seat of Salt Lake County, Utah, Sal ...
. The aircraft was intended to be supplied in the form of plans for amateur construction, with a partial kit available.Purdy, Don: ''AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition'', pages 64 and 129. BAI Communications, 15 July 1998.


Design and development

The Freedom 40 featured a
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 ...
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 ...
, a single-seat enclosed cockpit with a door, fixed
conventional landing gear 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.Crane, Dale: ''Dictionary of Aeronautical Term ...
and a single engine in tractor configuration. The aircraft was made from
pop rivet A rivet is a permanent mechanical fastener. Before being installed, a rivet consists of a smooth cylindrical shaft with a head on one end. The end opposite to the head is called the ''tail''. On installation, the rivet is placed in a punched o ...
ted sheet
aluminum Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. It has ...
. Its span wing had a wing area of and could be folded for ground transport or storage. The cabin width was . The acceptable power range was and the standard engine used was the Hirth 2702
two-stroke A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a Thermodynamic power cycle, power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being comple ...
powerplant. The Freedom 40 had a typical empty weight of and a gross weight of , giving a useful load of . With full fuel of in the aircraft's wing tanks the payload for the pilot and baggage was . To simplify construction, the design had no complex parts to make and no compound curves to form. In 1998 the plans sold for
US$ The United States dollar (symbol: $; code: USD; also abbreviated US$ or U.S. Dollar, to distinguish it from other dollar-denominated currencies; referred to as the dollar, U.S. dollar, American dollar, or colloquially buck) is the official ...
250.00. Completion cost for the
airframe The mechanical structure of an aircraft is known as the airframe. This structure is typically considered to include the fuselage, undercarriage, empennage and wings, and excludes the propulsion system. Airframe design is a field of aerospa ...
alone was estimated at US$3000.00 in 1998.


Operational history

In December 2013 there were no examples registered in the United States with 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 ...
and it is unlikely that any exist any more.


Specifications (Freedom 40)


References


External links


Photo of a Freedom 40
{{Brutsche aircraft Freedom 40 1990s United States sport aircraft 1990s United States ultralight aircraft Single-engined tractor aircraft High-wing aircraft Homebuilt aircraft