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> Dope another one. This time cool it with tap water, not iced water. You may
> have cooled it too fast, if I understand that thread correctly.
>
> Keith
This time I heated it for 10 minutes and let it cool in tap water for a fair
while. The gear lasted noticeably longer - almost to the end (it's operating a
elastic wind-back mechanism). But then it snapped. The gears always crack at
the thinner parts of the gear where the four holes are.
I might try using some epoxy to paint the gear or try and fill up the holes.
Jack
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Message has 1 Reply:
 | | Re: tougher lego gears
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| (...) If the material is failing, I doubt filling the holes will help (perhaps, *maybe*, with a very strong glue, but I still doubt it). The problem is getting anything to bond the plastic nearly as strongly as the plastic bonds to itself. I don't (...) (19 years ago, 22-Jun-05, to lugnet.parts.custom, lugnet.parts.mod, lugnet.technic)
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