Hi all :-) On Mon, 1998-07-06 02:29:45 EDT, SyncroHead@aol.com wrote: ^^^^^^^^ Seems as if this spring thread caused some people some sleepless nights :-) Anyway, this clearly was a nice summary about simple spring mechanics (in particular that part about preload and the spring not having any memories), except for one tiny little detail (see below). ... But isn't it a pitty that Steven just informed the list a few mails ago that he has to temporarily sign off? Do you care sending him a copy via private email? > ... > Since 600 LbsF still causes the spring to be the same length, adding a "donut" > on top of the spring will raise the load (in this case, our vans) by the > thickness of the donut. No. This would only be true if you placed the doughnut _under_ the spring. Putting it _on top_ of the spring will add to the weight of the van which has to be balanced by the springs and will thus compress the springs a tiny little bit further (erm ... thus making the springs stiffer :-) ... Sorry, couldn't resist ... :-) Sincerely Rainer ---------------------------------------------------------------------- | Rainer M Woitok | Phone: (+49-9131) 85-7811, -7031 | | Regionales Rechenzentrum | | | Friedrich-Alexander-Universitaet | Fax : (+49-9131) 30 29 41 | | Martens-Strasse 1 | Telex: d 629 755 tf erl | | D-91058 Erlangen | | | Germany | Mail: Woitok@RRZE.Uni-Erlangen.DE | ---------------------------------------------------------------------- |
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