The science of reverb springs

[Ian Fritz]

Rob --

The spring motion is a torsional (twisting) one. If you touch or try to
support the spring this motion will be rapidly damped, i.e., nothing
will get through.

  Ian

Rob & Heather Williams wrote:
> 
> Do reverb springs have to hang freely in order to work
> right?  Why can't they be coiled (with separators) inside
> something round like a Skoal can?  Or can they be tie
> wrapped snug to a board to avoid that SPROINGGGG! when you
> drop them?  Just wondering if the shape of the spring is
> more important than the length?
> 
> Robert