Eric Cheney (5 January 1924 – 30 December 2001) was an
English motorcycle
racer, designer and independent constructor. He was known as one of the best
motorcycle frame designers of his era, concentrating mainly in the off-road competition aftermarket.
Early life
Cheney attended a school in
Winchester
Winchester is a City status in the United Kingdom, cathedral city in Hampshire, England. The city lies at the heart of the wider City of Winchester, a local government Districts of England, district, at the western end of the South Downs Nation ...
based on
Lancasterian principles before joining the
Royal Navy at the age of 18, where he served on wartime
Arctic convoys and in
motor torpedo boats and gained experience of engineering and working on high performance engines.
Cheney also worked on the development of remote controlled
submarine
A submarine (or sub) is a watercraft capable of independent operation underwater. It differs from a submersible, which has more limited underwater capability. The term is also sometimes used historically or colloquially to refer to remotely op ...
s for the Royal Navy.
Career
After World War II, Cheney joined the
motorcycle dealers
Archers of
Aldershot as a mechanic.
Cheney began racing
motocross and became one Britain's best riders, along with his travelling companion
Les Archer
Leslie James Archer (20 June 1907 – 2001) was an English leading motorcycle racer of the 1920s, competing in long-distance speed trials, hill climbs and scrambles, now known as motocross.
Archer was the son of an Aldershot motorcycle dealer. R ...
, who went on to become
European champion. He had ten successful years on the Continental circuit but a prolonged illness due to an infection contracted while racing in
Algeria ended his riding career.
He moved into bike preparation and designs for motorcycle chassis and suspension systems.
Cheney had no formal training as a motorcycle designer yet was able to create original and high-performance motorcycle chassis designs working in a simple workshop that was essentially a domestic garage. His approach has been described as "like a medieval engineer" as in an age of
computer-aided design
Computer-aided design (CAD) is the use of computers (or ) to aid in the creation, modification, analysis, or optimization of a design. This software is used to increase the productivity of the designer, improve the quality of design, improve c ...
and significant resources for research and development teams, he worked entirely by intuition.
Eric relied on his long personal experience of international
off-road
Off-roading is the activity of driving or riding in a vehicle on unpaved surfaces such as sand, gravel, riverbeds, mud, snow, rocks, and other natural terrain. Types of off-roading range in intensity, from leisure drives with unmodified vehicl ...
competition riding and would prepare his initial designs for a new motorcycle frame in chalk on the wall of his workshop. Experimenting with different lines until he was satisfied, Cheney would then form the steel tubing using his chalk drawings as a guide. Only when he had built a working prototype motorcycle would he start work on a final jig for mass production. He was once quoted as saying "I know when it's right and it screams at me when it's wrong."
In the late 1960s, the British motorcycle industry was unable to support a national team to compete in the
International Six Days Trial so, Cheney hand built a limited number of ISDT Cheney-Triumphs using his own design of twin down-tube frame with a specially tuned
Triumph 5TA engine. Fitted with tapered conical hubs, special motocross forks and large alloy fuel tanks, a Cheney Triumph was first used in the 1968 British Trophy Team. In 1970 and 1971 three 504cc Cheney Triumphs were used by the British team in the ISDT, in which Cheney won a manufacturer's prize.
Replicas were built, but production was short-lived due to a shortage of engines.

Cheney's most noted successes were in the
Grand Prix
Grand Prix ( , meaning ''Grand Prize''; plural Grands Prix), is a name sometimes used for competitions or sport events, alluding to the winner receiving a prize, trophy or honour
Grand Prix or grand prix may refer to:
Arts and entertainment ...
road racing
Road racing is a form of motorsport racing held on a paved road surface. The races can be held either on a closed circuit or on a street circuit utilizing temporarily closed public roads. Originally, road races were held almost entirely on publ ...
championships, with
Phil Read using his
chassis
A chassis (, ; plural ''chassis'' from French châssis ) is the load-bearing framework of an artificial object, which structurally supports the object in its construction and function. An example of a chassis is a vehicle frame, the underpart ...
in tandem with a
Yamaha engine to win the
1971 *
The year 1971 had three partial solar eclipses ( February 25, July 22 and August 20) and two total lunar eclipses (February 10, and August 6).
The world population increased by 2.1% this year, the highest increase in history.
Events
Ja ...
250cc world championship.
His designs were the last British ones to win a Grand Prix. He never worked for any of the major manufacturers but maintained a productive relationship with
BSA in its heyday. After the demise of BSA in 1972, Cheney joined with former BSA factory rider
John Banks to develop and campaign a highly successful BSA powered motocross bike.
Some of Cheney's motorcycle designs are now famous in their own right, such as the competition
BSA Gold Stars of Jerry Scott and Keith Hickman and the
John Banks replica which used a
BSA B50
The BSA B50 was a single-cylinder ohv motorcycle, produced by BSA at their factory in Small Heath, Birmingham. The last of the big capacity unit-construction singles from the Birmingham Small Arms company, it had an alloy engine with a bo ...
engine specially tuned by Cheney. He also built some racing frames for
Suzuki
is a Japan, Japanese multinational corporation headquartered in Minami-ku, Hamamatsu, Japan. Suzuki manufactures automobiles, motorcycles, All-terrain vehicle, all-terrain vehicles (ATVs), outboard motor, outboard marine engines, wheelchairs ...
Grand Prix motorcycles in 1968 and, it has been suggested that Suzuki engineers incorporated features of Cheney's designs, such as
magnesium hubs and lower fork legs into production road going motorcycles. Cheney's company was originally known as Eric Cheney Designs, then changed to Inter-Moto, now known as
Cheney Racing
Cheney Racing is a British motorcycle manufacturer, founded by Eric Cheney, based in Petersfield, Hampshire which builds complete specialist high performance motocross motorcycles, rolling chassis or frame kits to individual customer specificati ...
.
Steve McQueen
American actor
Steve McQueen
Terrence Stephen McQueen (March 24, 1930November 7, 1980) was an American actor. His antihero persona, emphasized during the height of the counterculture of the 1960s, made him a top box-office draw for his films of the late 1950s, 1960s, and 1 ...
, an experienced off-road rider who represented the United States in the ISDT bought a number of Cheney's motorcycles at full price because he considered them better than other makes.
References
External links
Cheney Racing web site
{{DEFAULTSORT:Cheney, Eric
British automobile designers
1924 births
2001 deaths
British motorcycle designers
British motocross riders
Businesspeople from Winchester
Royal Navy personnel of World War II