Seems they put that stuff on everything--fishing floats---carburator floats---head gaskets---and I took a shellackin or two myself! sam,rim brakes and wood wheel should never be used in the same sentence,lingo pleasanton tx
> I am not old enough to have used this method of
> fixing tyres to rims but am
> old enough to remember seeing others use it.First of
> all it was only used
> on track wheels as shellac dries hard and has no
> residual sticky-ness.This
> makes it pretty hard to apply a spare out on the
> road and believe that it
> will stay on as you round the next bend.Most track
> riders had a spare pair
> of wheels with them track side so a change of wheel
> got them going for the
> next race.The stuff used was available from french
> polishing suppliers or
> hardware shops and came in the form of flakes.I have
> always been led to
> believe that it was made from beetles of some
> sort.The flakes were mixed up
> with methylated spirits until they dissolved and the
> mixture applied to
> both the tyre and the rim.If the rim was brand new
> it needed to be roughed
> up a little to encourage adhesion.The rim was coated
> once and left to
> dry,often overnight.Then both the rim and the tyre
> were coated and the tyre
> applied to the rim.The tyre was then pumped up hard
> and set aside for 24
> hours to set.Shellac being what it is this was a
> messy process and the
> stuff dries really hard on both rim and tyre so any
> excess on the rim
> needed to be cleaned carefully with metho before
> this happened.Of course
> the fact that the rims never saw brake blocks meant
> that this was about
> looks as much as anything.Hope this helps,
> Geoff Duke in Melbourne Australia
>
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