Subject:
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Re: broken motor, how to take apart?
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 21 Jan 2002 22:17:23 GMT
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Original-From:
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Robb Greathouse <r_greathouse@yahoo!StopSpammers!.com>
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Viewed:
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1106 times
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I have had luck bringing motors of all sizes back to
life, by soaking them in WD-40 overnight and then
spinning them up with an electric drill.
Robb,
--- John Barnes <barnes@sensors.com> wrote:
> This general subject has been discussed here before.
> I'm sure you can search
> the lugnet archives for more info.
>
> However, as my supply of motors has aged, I too have
> noted that they do tend
> to seize or at least stiffen up with lack of use.
>
> I have rejuvinated a few in that state by
> momentarily applying 9 - 10 volts
> from a fairly stiff source like a lab power supply.
> If you apply power in
> the forward and then reverse direction a few times,
> you may well find you
> can "jerk" the motor back to life.
>
> The really bad thing to do is to atemppt to force it
> by turning the shaft.
> The internal gearing up is so extreme, that in all
> likelyhood, you will
> irrepairably damage something. It is much better to
> try and free the gear
> train from within!
>
> JB
>
> In lugnet.robotics, Mike Barrett writes:
> > Not sure if this is the right group...anyway
> > Just got back into Lego robot and rebuilt one of my • bots. But one of the
> > motors has become very tight, will just about • turn. The motor was left
> > unused for a bout 9 months in a dry room so not • sure what has happened to
> > it. As it came from my RIS set (brought when they • first came out) I guess
> > its not under guarantee any more.
> > I would like to find out what it wrong with it so • has anyone taken one
> > apart? If so how?
> > thanks
> > mike barrett
> --
> Did you check the web site first?:
http://www.crynwr.com/lego-robotics
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Message has 1 Reply:
 | | Re: broken motor, how to take apart?
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| This thread encouraged me to investigate a couple of jammed motors that came with "new" kits I purchased on e-Bay. None of the suggestions for unjamming a motor worked. I then decided to take one of the motors apart (this destroys the motor and is (...) (23 years ago, 23-Jan-02, to lugnet.robotics)
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Message is in Reply To:
| | Re: broken motor, how to take apart?
|
| This general subject has been discussed here before. I'm sure you can search the lugnet archives for more info. However, as my supply of motors has aged, I too have noted that they do tend to seize or at least stiffen up with lack of use. I have (...) (23 years ago, 21-Jan-02, to lugnet.robotics)
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