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Thread: Very powerful gearbox from wiper motor.

  1. #11
    Supporting Member manshands's Avatar
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    Thank you so much! I am very glad that people like my projects. I will try to do interesting projects further.

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  2. #12
    JoeH's Avatar
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    I've been looking at this motor recently. Looks similar to the ones you guys have been talking about.

    https://www.amazon.com/Makermotor-Sh...5D9XSMS76RBJW3

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  3. #13
    Supporting Member DIYSwede's Avatar
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    Quote Originally Posted by JoeH View Post
    I've been looking at this motor recently. Looks similar to the ones you guys have been talking about.
    Sure its similar - but smaller in size with a 50 max rpm and 60w continous output -
    the page doesn't say anything about the duty factor for higher outtakes.

    Its non-cheap price tag and "Makermotor" brand sounds to me like it's intended for the Arduino lot/ Robot making crowd.
    A (no-load) 50 rpm motor with 4,4 ft-lb starting torque will eventually get the jack up,
    but it'll take some time and probably complain a bit when the fully loaded scissor is at its bottom,
    where the screw, nut and its bearings is at its highest stress and the jack has its max lift/ turn.
    For the cost of this Makermotor alone you could get a 2 times as powerful, complete electric scissor jack at a FleaBay discount,
    but then you wouldn't have a DIY project...

    Added: Most 2,5 ton electric jacks available of FleaBay etc has a 100-120W motor and a 15 A fuse -
    giving a max momentary input power of 200 W.
    I've found none of these listing the full height & load lifting time (nor the motor's rpm),
    but a few reviews state "within a few minutes"...
    If you choose a low watt & lo rev DIY solution - there's simply a time penalty to pay for any given load,
    (if it'll work at all) as there's simply no free lunches here either.


    YMMV - Personally I'd rather visit the local scrap yard for a heavy duty hi-tork piece with 200-300-ish rpm for a mere 10 bucks.

    Cheers

    Johan
    Last edited by DIYSwede; Jun 28, 2020 at 06:24 AM. Reason: Added market comparison

  4. #14
    Supporting Member manshands's Avatar
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    I just wanted the motor to work 12 Volts, and not from 24 volts, since the car has only such a voltage.
    I found
    https://aliexpress.com/item/4000061085442.html
    it has a power of 100 watts, but it is also 24 volts.
    According to your advice, tomorrow I’ll go to the warehouse of old cars, try to find a motor there.

  5. #15
    Supporting Member manshands's Avatar
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    Using this gearbox from the angle grinder and the wiper motor, i began manufacturing a small winch for lifting a motor boat ashore. I hope to post a new video with the tests soon.



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