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In lugnet.parts.custom, Jack Valmadre wrote:
> The [16t] 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.
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 know what the set-up is, but others have suggesting ganging gears
(using more than one). You can "pin" 16t gear together the same way you can 24t
or 40t. For those you use friction pegs - for 16t gears, use pieces of flex
system tubing. The "wands" or "lightsaber blades" will also fit, but only if you
force them (& adding stress is unlikely to be the direction to go here).
--
Brian Davis
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Message has 1 Reply:
 | | Re: tougher lego gears
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| (...) I don't think the plastic-glue bond would have to be stronger than plastic with itself. I'm just talking about filling up the hole so that the gear won't crack as easily at the thin points next to the holes. This is where the breaks are always (...) (19 years ago, 22-Jun-05, to lugnet.parts.custom, lugnet.parts.mod, lugnet.technic)
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Message is in Reply To:
| | Re: tougher lego gears
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| (...) 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 (...) (19 years ago, 22-Jun-05, to lugnet.parts.custom, lugnet.parts.mod, lugnet.technic)
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