Scaled Composites Triumph

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Triumph
Scaled Composites Triumph (N143SC).jpg
Role Very Light Jet demonstrator
National origin United States of America
Manufacturer Scaled Composites
Designer Burt Rutan
First flightJuly 12, 1988
Number built1
TypeModel 143
RegistrationN143SC

The Scaled Composites Triumph [1] was a twin-engine, business jet prototype designed and built by Burt Rutan's Scaled Composites for Beechcraft. It was known officially as the Model 143, and internally at Scaled as the "Tuna". The aircraft is a three lifting surface design, with both a small canard, and a small conventional horizontal stabilizer in a T-tail configuration.

Burt Rutan American aerospace engineer

Elbert Leander "Burt" Rutan is a retired American aerospace engineer noted for his originality in designing light, strong, unusual-looking, energy-efficient aircraft. He designed the record-breaking Voyager, which in 1986 was the first plane to fly around the world without stopping or refueling, and the sub-orbital spaceplane SpaceShipOne, which won the Ansari X-Prize in 2004 for becoming the first privately funded spacecraft to enter the realm of space twice within a two-week period. With his VariEze and Long-EZ designs, Rutan is responsible for helping popularize both the canard configuration and the use of moldless composite construction in the homebuilt aircraft industry.

Scaled Composites aerospace company

Scaled Composites is an American aerospace company founded by Burt Rutan and currently owned by Northrop Grumman that is located at the Mojave Air and Space Port, Mojave, California, United States. Founded to develop experimental aircraft, the company now focuses on designing and developing concept craft and prototype fabrication processes for aircraft and other vehicles. It is known for unconventional designs, for its use of non-metal, composite materials, and for winning the Ansari X Prize with its experimental spacecraft SpaceShipOne.

Beechcraft is a brand of Textron Aviation since 2014. Originally, it was a brand of Beech Aircraft Corporation, an American manufacturer of general aviation, commercial, and military aircraft, ranging from light single-engined aircraft to twin-engined turboprop transports, business jets, and military trainers. Beech later became a division of Raytheon and later Hawker Beechcraft before a bankruptcy sale turned its assets over to Textron.

Contents

Design and development

Originally, three versions of the all-composite aircraft were envisioned, one powered by piston engines, one by turboprops and one by turbofans. The only one built was the turbofan version with engines mounted on top of the wings, [2] which was first aircraft to be powered by the Williams International FJ44 engine. The maiden flight took place at the Mojave Airport on July 12, 1988.

Williams International is an American manufacturer of small gas turbine engines based in Pontiac, Michigan, United States. It produces jet engines for cruise missiles and small jet aircraft.

Williams FJ44 Small turbofan engine

The Williams FJ44 is a family of small, two-spool, turbofan engines produced by Williams International/Rolls-Royce for the light business jet market. Until the recent boom in the very light jet market, the FJ44 was one of the smallest turbofans available for civilian applications. Although basically a Williams design, Rolls-Royce was brought into the project, at an early stage, to design, develop and manufacture an air-cooled high-pressure (HP) turbine for the engine. The FJ44 first flew on July 12, 1988 on the Scaled Composites/Beechcraft Triumph aircraft.

The flight test program was completed and confirmed the targeted performance. The financial situation of Beech at the time, and competing projects, prevented consideration of commercial production. In February 1991, Rutan stated, "it had the potential for enormous improvements in efficiency compared to the King Air. It was as fast as the Citation II, but had 60% better fuel economy." [3] After the test program was completed, the airframe was mounted on a pedestal at Scaled's Mojave facility for several years. The Triumph is currently on display in the Joe Davies Heritage Airpark [4] at Palmdale Plant 42.

Specifications

Data from Jane's All The World's Aircraft 1990–91 [5]

General characteristics

Turbofan Airbreathing jet engine designed to provide thrust by driving a fan

The turbofan or fanjet is a type of airbreathing jet engine that is widely used in aircraft propulsion. The word "turbofan" is a portmanteau of "turbine" and "fan": the turbo portion refers to a gas turbine engine which achieves mechanical energy from combustion, and the fan, a ducted fan that uses the mechanical energy from the gas turbine to accelerate air rearwards. Thus, whereas all the air taken in by a turbojet passes through the turbine, in a turbofan some of that air bypasses the turbine. A turbofan thus can be thought of as a turbojet being used to drive a ducted fan, with both of these contributing to the thrust.

Performance

See also

Related lists

Related Research Articles

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References

  1. Scaled Composites Projects: Triumph. Retrieved May 1, 2012
  2. Garrison, Peter. "The Unconventional Burt Rutan" Aviation History magazine, September 20, 2009. Retrieved March 29, 2015.
  3. Bailey, John (January 30, 1991), "Rutan on the Attack", Flight International, Reed Business Publishing, 139 (4252), pp. 30–31, retrieved May 27, 2012
  4. Joe Davies Heritage Airpark Retrieved March 29, 2015
  5. Lambert 1990, p. 496.
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Coordinates: 34°36′11″N118°05′19″W / 34.602989°N 118.088706°W / 34.602989; -118.088706