Subject:
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Re: Friction Pulley question
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 24 Jan 2000 19:50:11 GMT
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Original-From:
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Brian B. Alano <alano@kiva.SPAMCAKEnet>
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Viewed:
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960 times
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Tilman Sporkert wrote:
> (*) Sample size = 1, number of tests = 1, duration of experiment = 2 seconds :-)
>
> Tilman
My experience:
Sample size = 3, number of tests >= 5 each last night.
Results:
Unit 1: Micro motor stalls before pulley slips.
Unit 2: Micro motor stalls before pulley slips.
Unit 3: Pulley slips before motor stalls.
So based on my evidence, you are 66 2/3% correct! (Adding your results to mine makes
you 75% correct!)
> The axle stub of the micro motor is so short that the only gear that fits is the
> pulley with the rubber insert. So is it supposed to slip or not? Or is it simply
> a connection that provides some elasticity if the gears aren't perfectly aligned
> to reduce the stress on the internal bearings?
This "axle stub" is actually a standard Lego(TM) stud. Thus you could connect the
micro motor directly to the bottom center hole of 2 x 2 brick or to a lift arm, for
instance. Likewise you should be able to snap the friction pulley onto the top of a
1 x 1 brick.
--
______________________
You hear, O LORD, the desire of the afflicted; you encourage them, and you listen to
their cry --Psalms 10:17
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Message is in Reply To:
 | | RE: Friction Pulley question
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| (...) Interesting point. This got me thinking... Lego almost never provides instructions for the "proper" use of pieces. Most of the time it's not needed, and wouldn't fit with the Lego philosophy of being creative and using your imagination. But (...) (25 years ago, 24-Jan-00, to lugnet.robotics)
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