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The IFS Design Challenge

From leaf springs to ‘controlled motion’ suspensions
Unser family Flying Wing snowmobile design
Racers are always looking for a winning edge design.

In the early-mid 1970s, Indy car racer Bobby Unser got involved with snowmobile racing in his off-season from his busy Indy car schedule. Chaparall hired him as a manager for their race team. Right away he introduced new designs spawned from his Indy-racecar experience that gave handling advantages.

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