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[T3] Ringing Torsion Bars


<x-charset iso-8859-1>Ill pull the bar out and compare it to a spare, I have a few of them. and
swap in the spare and see what happens,

Thanks!

Keith


> On 11 Jun 2002, at 22:02, Keith Park wrote:
>
> > You think Id see the crack?  Ill pull it out when I get time and look.
>
> That's not at all certain. You could have it magnafluxed, but that tends
to be
> expensive.
>
> If you have a spare you could try suspending each one some way and
> tapping each to hear them ring. A solid piece of steel should ring for a
long
> time, but if you just get a THUMP or a ring that decays very quickly then
> there is probably a crack somewhere. The crack allows 2 adjacent parts to
> rub, dissipating the mechanical energy. Essentially this just ruins the Q
of
> the circuit.
>
> "Ringing" like this is usually used to check crankshafts, but you can use
it
> to check anything that is (should be) a single piece of steel.
>
> I can explain more if you need more, but you may already be familiar with
> this.
>
> BTW, this whole thread would probably have been good to have on the list.
>
> -
> Jim Adney
> jadney@vwtype3.org
> Madison, WI 53711-3054
> USA
>


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