Ro­tary-en­gined car to race in OSS

Motor Sport News - - Racing News -

A ro­tary-en­gined sportscar will com­pete in the OSS Cham­pi­onship for the first time this sea­son.

Scott Couper will race a Juno pro­to­type fea­tur­ing a two-litre Mazda ro­tary en­gine that is ca­pa­ble of pro­duc­ing 400bhp with­out turbo as­sis­tance.

“I’m grate­ful to Shaun Childs-ir­win who has put the car to­gether and made the pack­age work,” said Couper, who started rac­ing in the Cas­tle Combe GT Se­ries and has also com­peted in the his­toric Group C se­ries.

“Amongst other things, it’s been tough to meet the noise reg­u­la­tions, but we’re nearly ready to race now.”

The se­ries has very few reg­u­la­tions, al­low­ing more un­usual cars and en­gines to be used.

OSS cham­pi­onship co­or­di­na­tor Alan Jenk­ins said: “The OSS regs are such that al­though the ro­tary is a two-litre en­gine there is a for­mula that stip­u­lates it be moved up a class, rea­son­ably so due to the horse­power it pro­duces.”

Tan­ner: “Firstly, we get a hel­met de­liv­ered to us. In the mod­ern age, this is usu­ally a car­bon crash hel­met, which is prob­a­bly about 90 per cent of the busi­ness th­ese days. Then we set about the process of re­mov­ing all of the pe­riph­ery bits and bobs that are on the hel­met so we can get to work on the de­sign. “

Couper to race Juno

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