so an 8" long, 500 lb per inch spring is a different wire size than a
10" long, 500 lb/inch spring, assuming the metallurgy and coil diameter?
On Mar 25, 2010, at 12:41 PM, Randall wrote:
> spring rate doesn't change when you shorten a spring
Ah, but it does. Say for example you start with two 400 lb/in springs
and
stack them together. Apply 400 pounds, and the stack deflects by 2
inches
(making it a 200 lb/in stack). Separate the springs and they go from
200
lb/in to 400 lb/in.
Randall
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