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1978 Lotus Type 78 Formula 1 Windtunnel Model - SOLD
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Description:
This is the Team Lotus windtunnel model used to develop the theory of race car "ground effects" or
undercar airflow management as pioneeered on the Type 78. This has become the basis for virtually all
formula car aerodynamics since. This development constitues one of the two major
aerodynamic innovations developed by Team Lotus, the other being the "twin chassis" Type 86/88, a
design direction equally compelling, but prematurely banned by race organizers.
History
The Lotus 78 introduced an entirely new concept to racing. An outwardly conventionaly design
with front rockers and outboard coil springs in the rear, the car pioneered modern undercar airflow management
or "ground effects". Invented by Team's brilliant engineer Peter Wright, the underside of the sidepods
were shaped like an inverted airfoil, creating a hugh area of negative pressure and hence downforce.
The very shot span, long chord airfoils were fitted with endplates of lightweight aluminum honeycomb
which also served to disguise the whole affair, appearing as simple sidepods. Closer inspection
revealed bristle skirts extending from the base of the end plates all the way to the road surface.
The package was completed with conventional front and rear wings which functioned effectively as
trim tabs.