Theo Smit wrote,
>Fred Puhn's book, "How to make your car handle", has all the formulas
>required
>to calculate coil spring rates. I can't quote from memory but I could look
>it up
>and get it to you tomorrow. If the answer you get is in the neighborhood of
>300
>lb/in, then they are certainly Tiger-like springs.
Great book "How to make your car handle", however you need to know
the effective ratio of the control arms as they act as a lever on the
springs.
You could calculate the "at wheel effective spring rate", but this
info is useless when ordering new springs since springs are spec'd
in lb/inch.
Calculating spring rate is simple enough, its the amount of
force in lbs "at the spring" that will compress it one inch.
Jarrid gross
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