Racecar Engineering

Air born

What they wanted from the car in terms of jumping, power, sliding and driveability was very similar to the requirements for Rallycross
Bertrand Vallat, technical director at Vermont Sportscars

Racecars are defined by regulations. From the entry level kart to F1, the rulebook dictates what can and can’t be done, rather than what an engineer may think is the ideal approach. The skill in designing and building a winning racecar is finding every ounce of performance within the rules, but not breaking them.

Throw that rulebook in the bin, though, and things get a whole lot more fun. The result? Cars like this, built by Subaru’s works team in the US, Vermont Sportscars (VSC).

The company has a long history of constructing cars to the ‘rules’, fielding a variety of machines in Rally and Rallycross, but this project was very different.

Initially built for the Gymkhana video franchise (for those not familiar, these were essentially a showcase for driver, Ken Block, sliding around like the ‘Hoonigan’ he is in various high-profile locations), the franchise is now known as Airslayer, and encompasses more than just videos, while former FMX star, Travis Pastrana, has taken over as wheel man.

Setting the stage

The VT20G is

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PIT CREW Editor Andrew Cotton @RacecarEd Email andrew.cotton@chelseamagazines.com Deputy editor Daniel Lloyd @RacecarEngineer Email daniel.lloyd@chelseamagazines.com Sub editor Mike Pye Art editor Barbara Stanley Technical consultant Peter Wri

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