Here are five cars that use suction fan technology

Did the McMurtry Spéirling pioneer the suction fan? No. It's been utilised by others before

Brabham BT46B
Won the Swedish GP in 1978, then withdrawn by team boss Bernie Ecclestone (to the fury of Gordon Murray). The only F1 car with a 100 per cent win record.
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McLaren F1
The F1’s twin fans were more subtle than the T50’s. Same principle though: enhanced downforce without the need for a big bookcase wing, causing wasteful drag.
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Chaparral 2J
The fastest refrigerator ever? American racing outfit Chaparral was first to experiment with the alchemy of ground effect skirts and fans, as early as 1967.
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Aerial Aero-P Atom
Aerodynamic Efficiency Requirements and Optimisation Project was a one-off, but we reckon with TG maths and a visit to a DIY store, we could knock up a replica.
Red Bull X2014
Courtesy of Gran Turismo and Adrian Newey, Red Bull’s X2010 and updated X2014 concepts both feature huge rear fans to glue these spaceships to the track.