On Oct 8, 3:03*pm, Nige Danton wrote:
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.

My response would have been better phrased as "drag cubes with
velocity; are cars really so slippery that drag does not become
significant until 60mph?"

--
Nige Danton