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Hopefully the dorks turned off the rolling road when the car was up in the air.
Lots of testing on race cars has the wheels not attached to the car. So you can tell the aero load on the wheels & this way you don't have to build scale suspension systems.
The car is rigidly mounted so you can measure the pitching moment generated by the body. The body itself won't pitch though.
I am guessing that they are using the wind tunnel they use for their F1 cars.
Don
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