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Old July 17th 17, 04:49 AM posted to rec.bicycles.tech
Jeff Liebermann
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Posts: 4,018
Default Piece of thick old tube instead of patch?

On Sun, 16 Jul 2017 18:40:27 -0700 (PDT),
wrote:

Order some larger patches?
http://www.gemplers.com/tube-repair

I dunno about that. Something like this 2" x 6" patch?
http://www.gemplers.com/product/9D/Rema-6L-x-2W-Oval-Tube-Patch
It requires cold vulcanizing fluid 7A or G50T.
http://www.gemplers.com/product/7A
http://www.gemplers.com/product/G50T
At 10 patches for $25 plus chemicals, talc, shipping, and taxes,
methinks using $5 Canadian polymer banknotes might be cheaper.

Notice that the instructions at:
http://www.gemplers.com/tech/tube-repair.htm
are for an automobile tire inner tube. For bicycle tubes, methinks it
might be best to apply the rather large patch on a rounded mandrel
with a diameter slightly smaller than the bicycle tire, instead of the
traditional flat surface. That should prevent any wrinkling,
stretching, or excess tension on the patch when installed and
inflated.




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Jeff Liebermann
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