Re: Locked motor

linmix <[email protected]> Tue, 12 Dec 2006 21:55:18 +0100
Newsgroups gmane.comp.hardware.lego.robotics
Message-ID <[email protected]>
I can't believe I didn't find the description on your site. It was the 
first place I looked!!
Since no easy repair appears to be possible I've contacted the seller 
who has graciously accepted to take the motor back and give me a refund.
Thanks to everybody for your replies.

linmix

Philippe Hurbain wrote:
> In lugnet.robotics, Merlin Hansen <[email protected]> wrote:
>   
>> linmix wrote:
>>     
>>> I've just received a 2nd hand lego motor (peeron #71427), and to my
>>> surprise and (... well let's leave it at that) it's jammed.
>>>
>>> I remember seeing a website that showed the internals and possibly a way
>>> to solve this (except for complaining to the person I bought it from).
>>> Can anyone help me with a link (or other good advice) to see if anything
>>> can be done.
>>>       
>> After doing some Googling...
>>
>> http://www.philohome.com/motors/motor.htm
>> shows the internals of the 43362 motor and some of the 71427.
>>
>>     
> Hi all,
>
> Unfortunately, there are very little chance that you may repair your 71427. Most
> of the motors I have seen with locked shaft have their permanent magnet (made
> from sintered magnetic powder) partially turned back into powder. That's
> hopeless.
>
> That said, since opening a 71427 is easier than for 43362, you can give it a
> try...
>
> Good luck!
>
> Philo
> www.philohome.com
>
>