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Gyronaut X-1

Land speed record motorcycle (1966-70) From Wikipedia, the free encyclopedia

Gyronaut X-1
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Gyronaut X-1 was a streamliner motorcycle that set the motorcycle land-speed record of 245.667 mph (395.363 km/h) in 1966, ridden by Detroit Triumph dealer Bob Leppan.[1] It was powered by two 650 cc Triumph TR6 Trophy motorcycle engines.[1][2]

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Gyronaut X-1 displayed at Quail Motorcycle Gathering, Carmel, California during 2015

The streamlined body was designed by Alex Tremulis, who designed automobiles including the Tucker automobile and Ford Gyron.[2][3][4]

It had innovative safety equipment including a cromoly steel roll cage and fire suppression equipment.[2]

Gyronaut crashed in 1970 at over 280 mph (450 km/h).[5] Four decades later, Steve Tremulis, nephew of the designer, displayed the partially restored Gyronaut to the public for the first time in early 2012.[3] It was shown fully restored at Speed Week in 2013,[6] and won a special award at the 2014 Quail Motorcycle Gathering.[4]

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