Subject:
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Re: Strengthening Gears
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Newsgroups:
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lugnet.technic
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Date:
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Wed, 6 Mar 2002 15:20:04 GMT
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Viewed:
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3113 times
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In lugnet.technic, Tobbe Arnesson writes:
> I talked to my co-worker who's a rock climber about this interesting
> matter and he claims that climb ropes get better and better from
> stress regarding max weight/pull capabilites, however they also get
> crispier. Climbing ropes are generally made of nylon.
>
> So there seems to be some form of relocation in the atoms when nylon
> is heated that makes it harder.
>
> If I can figure out a way to test the stress induced on a LEGO gear I
> might say how much "better" it get's in various aspects. Don't know
> how many gears I'm willing to sacrifice on this though 8-)
This is just a wild thought, but what if the boiling process doesn't alter
the the strength of the material, but helps to reduce stress concentration
points?
If the gear deforms ever so slightly (i.e. negligible deformation- no change
when viewed with the human eye), perhaps microscopic cracks and other
geometric irrgularities are "filled in" and smoothed over. This will
increase the strength of the gear, but not significantly.
Your test only demonstrates the strength of the boiled gear relative to the
non-boiled gear. It doesn't measure a magnitude of increased strength.
Perhaps the boiled gear is just slightly stronger?
I dunno. Just thinkin'...
TJ
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Message has 1 Reply:
 | | Re: Strengthening Gears
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| I hahe been lurking on this conversation for a bit. Here are some random thoughts: Blocks, Gears and Axles use three different materials. By that I mean the are differnet grades of the same material or totally different materials. I lean towards (...) (22 years ago, 6-Mar-02, to lugnet.technic)
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Message is in Reply To:
| | Re: Strengthening Gears
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| (...) I talked to my co-worker who's a rock climber about this interesting matter and he claims that climb ropes get better and better from stress regarding max weight/pull capabilites, however they also get crispier. Climbing ropes are generally (...) (22 years ago, 6-Mar-02, to lugnet.technic)
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