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Nige Danton Nige Danton is offline
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Default Graph of car fuel consumption versus speed

On Oct 8, 2:58*pm, Adrian wrote:

within any given class are likely to be fairly similar. As a rough rule
of thumb, increasing drag starts to come seriously into play from about
60mph upwards.


Drag cubes with velocity and so it may become important at speeds
lower than 60 mph.

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Nige Danton