Williams revives shark gills for cooling

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Williams introduced a new cooling solution on its FW36 this weekend at Germany by adding a series of small apertures on the legality fin of the airbox cover. The small extension on the airbox cover is there only to fit the minimum area rules of the bodywork, but Williams have found a new use by creating fins to provide engine cooling.

Many teams have small apertures in this area for cooling, but Williams' solution surely is elaborate. The team have seemingly chosen to use shark gills because they usually produce less turbulence compared to a single, larger opening.

Shark gills actually used to be a very popular cooling solution in Formula One, culminated by the championship winning Renault R25 of 2005 that brought Fernando Alonso his first World Championship. The gills as they were in use on the sidepods of the Renault however are no longer legal since the FIA disallowed any opening in the sidepod's bodywork (the same rule also bans the possibility to add numerous winglets and chimneys on the sidepods).

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