Subject:
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Re: Strengthening Gears
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 5 Mar 2002 18:29:04 GMT
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Original-From:
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Thorn Family <THORNFAMILY@nospamCORE.COM>
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Viewed:
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775 times
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At 01:18 PM 3/5/02, Toby wrote:
> > 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?
>
> There's a lot of talk and little workshop here.
> I know nothing about gear streangth, I have never broken a gear -
> unitl today.
> Feeling the only way to settle this is to actually test it:
> 1) I took a z16 gear and boiled it in five minutes, I live at an
> altitude of aprox. 200 meter above sea level so the water should have
> been around 100 degrees Celcius.
> 2) I put the gear in cold water
> 3) I could see no changes on the gear
> 4) I made a device alowing me to put a lot of stress on the gear
> meshing with another z16 picked at random in my collection
> 5) After a few turns (got a soft axle) a "snap" was heard and there
> was pieces falling... from the non-boiled gear!
> 6) I repeted the test and the non-boiled gear gave in after half a
> twist.
> 7) Another try, this time moving the doped (boiled) gear to the other
> position in the device, just to make sure there was no difference in
> where the gear was. And again the non-boiled gear broke.
> At this stage, when the doped gear hold for three non-doped gears I
> thougth it was enough. Of course I should have boiled three gears and
> made sure there was no difference there but...
Perhaps doping axles would be a good idea...
--Mike
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