The G15 is a two-seater,

rear-engined In automobile design, a rear-engine design layout places the engine at the rear of the vehicle. The center of gravity of the engine itself is behind the rear axle. This is not to be confused with the center of gravity of the whole vehicle, as an ...

sports car A sports car is a car designed with an emphasis on dynamic performance, such as handling, acceleration, top speed, the thrill of driving and racing capability. Sports cars originated in Europe in the early 1900s and are currently produced by ...

Witham Witham () is a town in the county of Essex in the East of England, with a population ( 2011 census) of 25,353. It is part of the District of Braintree and is twinned with the town of Waldbröl, Germany. Witham stands between the city of Che ...

, Essex between 1968 and 1974. Ginetta entered into an arrangement with the

Rootes Group The Rootes Group or Rootes Motors Limited was a British automobile manufacturer and, separately, a major motor distributors and dealers business. Run from London's West End, the manufacturer was based in the Midlands and the distribution and de ...

in Coventry, England to supply the lightweight aluminium inline-4 cylinder, 875cc engines, a design derived from the

Coventry Climax Coventry Climax was a British forklift truck, fire pump, racing, and other specialty engine manufacturer. History Pre WW1 The company was started in 1903 as Lee Stroyer, but two years later, following the departure of Stroyer, it was reloca ...

racing engines, and 4-speed manual

transaxles A transaxle is a single mechanical device which combines the functions of an automobile's transmission, axle, and differential into one integrated assembly. It can be produced in both manual and automatic versions. Engine and drive at the sa ...

. The unique slanted angle of the Rootes Imp engine and the light weight meant the engine was well suited to the low body lines envisaged by Ivor for the G15 road-going sports car. It's coupé body was made of glass fibre from a single mold and formed part of the structure when mounted to the tubular steel chassis. The independent suspension used coil springs and dampers front and rear. The front suspension incorporated modified upper and lower wishbones of various

Triumph The Roman triumph (Latin triumphus) was a celebration for a victorious military commander in ancient Rome. For later imitations, in life or in art, see Trionfo. Numerous later uses of the term, up to the present, are derived directly or indirectl ...

cars: the TR4, TR6

Spitfire The Supermarine Spitfire is a British single-seat fighter aircraft used by the Royal Air Force and other Allied countries before, during, and after World War II. Many variants of the Spitfire were built, from the Mk 1 to the Rolls-Royce Grif ...

, and

Herald A herald, or a herald of arms, is an officer of arms, ranking between pursuivant and king of arms. The title is commonly applied more broadly to all officers of arms. Heralds were originally messengers sent by monarchs or noblemen to ...

. It featured an

anti-roll bar An anti-roll bar (roll bar, anti-sway bar, sway bar, stabilizer bar) is a part of many automobile suspensions that helps reduce the body roll of a vehicle during fast cornering or over road irregularities. It connects opposite (left/right) whee ...

disk brakes A disc brake is a type of brake that uses the calipers to squeeze pairs of pads against a disc or a "rotor" to create friction. This action slows the rotation of a shaft, such as a vehicle axle, either to reduce its rotational speed or to hold ...

and 4×100mm PCD hubs. The rear suspension used trailing swingarms and

drum brakes A drum brake is a brake that uses friction caused by a set of shoes or pads that press outward against a rotating cylinder-shaped part called a brake drum. The term ''drum brake'' usually means a brake in which shoes press on the inner surfac ...

. The design featured a rear engine cover that swings up giving full access to the engine and various components. The wheels are × . A flip-up filler in the center of the nose fills the

fuel tank A fuel tank (also called a petrol tank or gas tank) is a safe container for flammable fluids. Though any storage tank for fuel may be so called, the term is typically applied to part of an engine system in which the fuel is stored and propelle ...

which is either a steel tank holding or a

fiberglass Fiberglass (American English) or fibreglass ( Commonwealth English) is a common type of fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into glass clo ...

tank. Also in the front is the radiator, with the spare wheel behind it. The

battery Battery most often refers to: * Electric battery, a device that provides electrical power * Battery (crime), a crime involving unlawful physical contact Battery may also refer to: Energy source *Automotive battery, a device to provide power t ...

was mounted to the passenger side front compartment ahead of the wheel. Weight was approximately depending on configuration.

Evolution

The first prototype G15, painted in 'moonstone white' was exhibited at the 1967 International Motor Show at London's Earl Court next to Ginetta's G12 racing car. As the rear-mounted Sunbeam Imp cooling radiator of the first few cars sometimes overheated the Mk II version of 1969 had a front mounted radiator with electric fan. The interior got a revised dashboard with Smiths and AC gauges and an improved steel-tube frame and fiberglass form seats. A heater and windscreen washer were optional extras. The 1970 MK III had larger rear quarter light windows. Engine options also became available; the 875cc (~55

bhp BHP Group Limited (formerly known as BHP Billiton) is an Australian multinational mining, metals, natural gas petroleum public company that is headquartered in Melbourne, Victoria, Australia. The Broken Hill Proprietary Company was founded ...

/52 lb ft

torque In physics and mechanics, torque is the rotational equivalent of linear force. It is also referred to as the moment of force (also abbreviated to moment). It represents the capability of a force to produce change in the rotational motion of th ...

) was offered as standard and a 998cc (65 bhp) version of the Rootes Rallye Imp engine was later offered by Ginetta for an extra £100 in the G15S. The original wheels with aluminium trim were replaced with Cosmic or Minilite

alloys An alloy is a mixture of chemical elements of which at least one is a metal. Unlike chemical compounds with metallic bases, an alloy will retain all the properties of a metal in the resulting material, such as electrical conductivity, ductility ...

as displayed in a 1969 motor show. Ginetta G15 (1974) - 9700724442

References

External links

Ginetta Owners Club

Road test
{{Ginetta Cars, state=collapsed G15 Cars introduced in 1968 1970s cars Sports cars Rear-engined vehicles Cars of England