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I recently received an email from someone about strengthening gears. This
person claims that by boiling the gears and then cooling them with cold
water, their strength will increase.
Has anyone tried this? What were your results?
TJ
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Message has 5 Replies:
 | | Re: Strengthening Gears
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| (...) I don't think I'd want to try this. There's a reason that LEGO recommends washing the parts only in *warm* water: if you used hot water, the plastic will start to deform. Some instructions specifically state this. For example: (URL) David (...) (22 years ago, 5-Mar-02, to lugnet.technic)
| | | Re: Strengthening Gears
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| (...) I tried cleaning Lego in boiling water once - it discolours and warps. (actually, it was Duplo - bought at a garage sale and being sterilized for the kids, but I have no reason to believe it's made from a different plastic) Matthias Jetleb (22 years ago, 5-Mar-02, to lugnet.technic)
| | | Re: Strengthening Gears
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| (...) This sounds like the basic technique for "tempering". You've probably heard of tempered glass or tempered metal. From what I remember, this just changes the way the strength is handled in the material. A normal material bends more instead of (...) (22 years ago, 5-Mar-02, to lugnet.technic)
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