The Brawner Hawk is a series of

open-wheel An open-wheel single-seater (often known as formula car) is a car with the wheels outside the car's main body, and usually having only one seat. Open-wheel cars contrast with street cars, sports cars, stock cars, and touring cars, which have thei ...

race car Auto racing (also known as car racing, motor racing, or automobile racing) is a motorsport involving the racing of automobiles for competition. Auto racing has existed since the invention of the automobile. Races of various sorts were organi ...

chassis designed and developed by automotive mechanic and engineer Clint Brawner for U.S.A.C.

Indy car racing Indy may refer to: Computing and technology *Indy (software), used for Internet access to music *Internet Direct, or "Indy", a software library *SGI Indy, a computer workstation Periodicals *''The Indy'', shorthand for newspapers that include " ...

, between

1965 Events January–February * January 14 – The Prime Minister of Northern Ireland and the Taoiseach of the Republic of Ireland meet for the first time in 43 years. * January 20 ** Lyndon B. Johnson is Second inauguration of Lyndo ...

and

1969 This year is notable for Apollo 11's first landing on the moon. Events January * January 4 – The Government of Spain hands over Ifni to Morocco. * January 5 **Ariana Afghan Airlines Flight 701 crashes into a house on its approach to ...

. It successfully won the

1969 Indianapolis 500 The 53rd International 500 Mile Sweepstakes was an auto race held at the Indianapolis Motor Speedway in Speedway, Indiana on Friday, May 30, 1969. It was the third round of the 1969 USAC Championship Car season. Polesitter A. J. Foyt led the race ...

, while in the hands of, and being driven by

Mario Andretti Mario Gabriele Andretti (born February 28, 1940) is an Italian-born American former racing driver. One of the most successful drivers in the history of motorsports, Andretti is one of only two drivers to have won races in Formula One, IndyCar, t ...

. It was originally powered by the naturally-aspirated , and later

turbocharged In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake gas, forcing more air into the engine in order to pro ...

, ,

Ford Indy V8 engine The Ford Indy V8 engine is a naturally-aspirated, pushrod, V-8, Indy car racing engine, intitally specially designed by Ford for use by Team Lotus (but later used by other teams as well), to compete in the Indianapolis 500; from 1963 to 1967. Th ...

, which also powered several Lotus and

Coyote The coyote (''Canis latrans'') is a species of canis, canine native to North America. It is smaller than its close relative, the wolf, and slightly smaller than the closely related eastern wolf and red wolf. It fills much of the same ecologica ...

Indy race cars, and even a McNamara chassis. The chassis was lightweight, and only weighed around , giving it an incredible

power-to-weight ratio Power-to-weight ratio (PWR, also called specific power, or power-to-mass ratio) is a calculation commonly applied to engines and mobile power sources to enable the comparison of one unit or design to another. Power-to-weight ratio is a measuremen ...

References

{{reflist Indianapolis 500 American Championship racing cars Open wheel racing cars