Technical FAQ

Air Intakes, where to locate them?

An air intake needs to be located where there is a positive air-flow and also where the air is as "cold" as it can be (cold air is more dense therefore there is more oxygen). This YouTube video demonstrates the air flow around a trad. See also Aerodynamic study of a Morgan traditional body.

Unsprung weight? Why should I make my suspension lighter?

"Sprung" weight is a term used to describe the parts of a car that are supported by the front and rear springs. They suspend the all parts of the vehicle that sits above the wheels. The "unsprung" weight is therefore all parts that are not supported by the springs, this includes the wheels, tyres, brake assemblies, the rear axle assembly, and other associated parts. Reducing unsprung weight is the key to improving handling. The lower the unsprung weight, the less work the shocks and springs have to do to keep the tires in contact with the road over bumpy surfaces. A lot of handling problems, if not all of them is caused by the inertia of all the unspung parts. The larger the weight means higher inertia. Higher inertia means more work is required from shocks and springs to keep tyres on the ground. Further to this, if the un- sprung components have a high mass (higher inertia) you require more "power" to accelerate and more "braking" to decelerate.

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