Williams International is an American manufacturer of small
gas turbine
A gas turbine, also called a combustion turbine, is a type of continuous flow internal combustion engine. The main parts common to all gas turbine engines form the power-producing part (known as the gas generator or core) and are, in the directi ...
engines based in
Pontiac, Michigan
Pontiac ( ') is a city in and the county seat of Oakland County in the U.S. state of Michigan. As of the 2020 census, the city had a total population of 61,606. A northern suburb of Metro Detroit, Pontiac is about northwest of Detroit.
Founde ...
,
United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
. It produces
jet engines
A jet engine is a type of reaction engine discharging a fast-moving jet of heated gas (usually air) that generates thrust by jet propulsion. While this broad definition can include rocket, water jet, and hybrid propulsion, the term typicall ...
for
cruise missile
A cruise missile is a guided missile used against terrestrial or naval targets that remains in the atmosphere and flies the major portion of its flight path at approximately constant speed. Cruise missiles are designed to deliver a large warhe ...
s and small
jet aircraft
A jet aircraft (or simply jet) is an aircraft (nearly always a fixed-wing aircraft) propelled by jet engines.
Whereas the engines in propeller-powered aircraft generally achieve their maximum efficiency at much lower speeds and altitudes, je ...
.
History
Dr.
Sam B. Williams Sam Barlow Williams (7 May 1921 in Seattle, Washington – 22 June 2009 in Indian Wells, California) was an American inventor and founder of Williams International. He was best known for his development of the small fan-jet engine, and received s ...
worked at
Chrysler
Stellantis North America (officially FCA US and formerly Chrysler ()) is one of the " Big Three" automobile manufacturers in the United States, headquartered in Auburn Hills, Michigan. It is the American subsidiary of the multinational automoti ...
on
their automotive turbine systems, but always imagined a wider set of applications for the small gas turbine engine. He left Chrysler to form Williams Research Corporation in
Birmingham, Michigan
Birmingham is a city in Oakland County in the U.S. state of Michigan. It is a northern suburb of Detroit located along the Woodward Corridor ( M-1). As of the 2010 census, the population was 20,103.
History
The area comprising what is now the c ...
in 1954. In 1981, the company became Williams International. It has been building small
turbofan
The turbofan or fanjet is a type of airbreathing jet engine that is widely used in aircraft engine, aircraft propulsion. The word "turbofan" is a portmanteau of "turbine" and "fan": the ''turbo'' portion refers to a gas turbine engine which ac ...
engines since the 1950s for use in cruise missiles as well as target and reconnaissance
drones.
Using the missile engines, Williams developed a series of personal
VTOL
A vertical take-off and landing (VTOL) aircraft is one that can take off and land vertically without relying on a runway. This classification can include a variety of types of aircraft including helicopters as well as thrust-vectoring fixed-win ...
flying craft, including a jet-powered belt in 1969, the
Williams Aerial Systems Platform (WASP), also known as the "flying pulpit" in the 1970s, and the
X-Jet, which was evaluated by the
United States Army
The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution.Article II, section 2, cla ...
in the 1980s.
[Kocivar, Ben.]
Turbofan-powered flying carpet
''Popular Science
''Popular Science'' (also known as ''PopSci'') is an American digital magazine carrying popular science content, which refers to articles for the general reader on science and technology subjects. ''Popular Science'' has won over 58 awards, incl ...
'', September 1982. Accessed: September 2014. The WASP platform was the only competitor to the
Garrett STAMP in the United States Marine Corps STAMP (Small Tactical Aerial Mobility Platform) program of the early 1970s.
Also in the 1980s, Williams identified a need in the
general aviation
General aviation (GA) is defined by the International Civil Aviation Organization (ICAO) as all civil aviation aircraft operations with the exception of commercial air transport or aerial work, which is defined as specialized aviation services ...
market for a small, light jet engine to power cost-effective personal and corporate jet aircraft. The company introduced the
FJ44 engine, which in turn made possible the introduction of a number of small jet aircraft.
In 1992,
NASA
The National Aeronautics and Space Administration (NASA ) is an independent agency of the US federal government responsible for the civil space program, aeronautics research, and space research.
NASA was established in 1958, succeeding t ...
initiated its
Advanced General Aviation Transport Experiments
The Advanced General Aviation Transport Experiments (AGATE) project was a consortium of NASA, the FAA, the general aviation industry and a number of universities. Its goal was to create a Small Aviation Transportation System (SATS) as an alternativ ...
(AGATE) program to partner with manufacturers and help develop technologies that would revitalize the sagging general aviation industry. In 1996, Williams joined AGATE's General Aviation Propulsion program to develop a fuel-efficient turbofan engine that would be even smaller than the FJ44. The result was the FJX-2 engine. Williams then contracted with
Burt Rutan
Elbert Leander "Burt" Rutan (; born June 17, 1943) is a retired American aerospace engineer and entrepreneur noted for his originality in designing light, strong, unusual-looking, and energy-efficient air and space craft. He designed the record- ...
's
Scaled Composites
Scaled Composites (often called simply Scaled) is an American aerospace company founded by Burt Rutan and currently owned by Northrop Grumman. It is located at the Mojave Air and Space Port in Mojave, California, United States. Founded to develo ...
to design and build the
Williams V-Jet II
The Williams V-Jet II was designed and built by Burt Rutan's Scaled Composites for Williams International as a test bed and demonstrator aircraft for Williams' new FJX-1 turbofan engine.
Development
Williams International had been building sma ...
, a
Very Light Jet
A very light jet (VLJ), entry-level jet or personal jet, previously known as a microjet, is a category of small business jets seating four to eight people. VLJs are considered the lightest business jets and are approved for single-pilot operati ...
to use as a testbed and technology demonstrator to showcase the new engine. The aircraft and engine were debuted at the 1997
Oshkosh Airshow
EAA AirVenture Oshkosh (formerly the EAA Annual Convention and Fly-In), or just Oshkosh, is an annual air show and gathering of aviation enthusiasts held each summer at Wittman Regional Airport and adjacent Pioneer Airport in Oshkosh, Wisconsi ...
. The production version of the engine, the EJ22 flew on the prototype
Eclipse 500
The Eclipse 500 (model EA500) is a very light jet (VLJ) originally produced by Eclipse Aviation of Albuquerque, New Mexico, United States.
The company was founded in 1998 to develop the 1997 Williams V-Jet II demonstrator.
The prototype first ...
VLJ (which had evolved from the V-Jet II), but was subsequently replaced by a
Pratt & Whitney
Pratt & Whitney is an American aerospace manufacturer with global service operations. It is a subsidiary of Raytheon Technologies. Pratt & Whitney's aircraft engines are widely used in both civil aviation (especially airlines) and military aviat ...
engine.
Products
Aircraft
Engines
See also
*
EV1 Series Hybrid, a
gas turbine
A gas turbine, also called a combustion turbine, is a type of continuous flow internal combustion engine. The main parts common to all gas turbine engines form the power-producing part (known as the gas generator or core) and are, in the directi ...
hybrid vehicle
A hybrid vehicle is one that uses two or more distinct types of power, such as submarines that use diesel when surfaced and batteries when submerged. Other means to store energy include pressurized fluid in hydraulic hybrids.
The basic princip ...
prototype
*
Chrysler turbine engines
The Chrysler turbine engine is a series of gas turbine engines developed by Chrysler intended to be used in road vehicles. In 1954, Chrysler Corporation disclosed the development and successful road testing of a production model Plymouth sport co ...
References
Notes
Bibliography
*
*
External links
*
{{Williams aeroengines
Aircraft engine manufacturers of the United States
Companies based in Oakland County, Michigan
Privately held companies of the United States