Subject:
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Re: Does anyone have the 8479 bar code truck?
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Newsgroups:
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lugnet.build
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Date:
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Sun, 10 Oct 1999 15:00:40 GMT
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Viewed:
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868 times
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In lugnet.build, Chris Phillips writes:
> The clutch gear is the same basic size as a normal 24-tooth gear, but the
> center (where the axle passes through) can spin freely if there is too much
> force holding the gear in place. I believe the gear says right on it that it
> will stall against a force of 2 Newton-meters. So if your motor is running up
> "against a brick wall", the motor can keep turning, but the gear train will
> just stall.
I had been meaning to correct the faulty information in my earlier post ever
since I got back home and actually looked at the gear. The actual rating
printed on the gear says "2.5 o 5.0 Ncm", which I assume means that it will
stall somewhere between two-and-a-half and five Newton-centimeters. (Does
anybody know if I'm interpreting that correctly?)
That's a much more reasonable kind of number, and I should have realized that I
was way off before I made the original post. Two Newton-meters would probably
snap a Technic beam like a dry twig!
This is the kind of mistake that sends interplanetary probes hurtling wildly
out of control.
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Message is in Reply To:
 | | Re: Does anyone have the 8479 bar code truck?
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| (...) The clutch gear is the same basic size as a normal 24-tooth gear, but the center (where the axle passes through) can spin freely if there is too much force holding the gear in place. I believe the gear says right on it that it will stall (...) (25 years ago, 29-Sep-99, to lugnet.build)
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