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How many amps does it take to stall your motor?

Discussion in 'DIY Motion Simulator Projects' started by Halloween2go, Mar 8, 2022.

  1. Halloween2go

    Halloween2go Active Member Gold Contributor

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    My Motion Simulator:
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    So I have a new project.. 24 volt WheelChair motor. 25 amp AC to DC converter.. I needed to figure out how many amps it takes to stall the motor.. it runs about 2.8 amps at idle. So I bought and hooked up an ATV brake to test it.. Surprising results. The Jazzy Wheel Chair motor is and 18:1 which is way different than my 3DOF rig 50:1 (12v) motors.. take a look at the video.. After trying to figure out the Stall amps manually, this was the best way for me to actually see what goes on.. DMAX
  2. SeatTime

    SeatTime Well-Known Member

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    My Motion Simulator:
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    This takes me back :). Half the fun is the journey - enjoy :thumbs.
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  3. Gadget999

    Gadget999 Well-Known Member

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    I reckon you would have had even more amps if you used a battery and used the power supply as a charger

    I did use ibt2 orginally - they dont like heat and shut down a lot
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  4. Halloween2go

    Halloween2go Active Member Gold Contributor

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    On my 3DOF full frame rig I use IBT's.. All are actively cooled. I even started putting the CPU tape between the heat sink and the chips.. Were you using active cooling (fan) blowing on the IBT's? I've used them for at least a couple years on the big rig (12Volt 850CC amp battery).. This is the first time using 24volt converters for me
  5. Halloween2go

    Halloween2go Active Member Gold Contributor

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    Yeah this is pretty cool stuff. I dont mind testing new parts out. Just want to get more data.. My other rig works fantastic so this is kind of a 'fun project'.. Thanks! Dave
  6. Gadget999

    Gadget999 Well-Known Member

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    the drivers i use are rated at 100A and can take 200A for short periods !

    often used in Robots

    approx £50 each

    Attached Files:

  7. Halloween2go

    Halloween2go Active Member Gold Contributor

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    Those look cool.. do you have a link? I have a couple 12V12's ready to go and I do want to 'test out' the Sabertooth 2x60A motor controllers.. So I will be 'testing' all these out on the MULE rig hopefully in the next couple months, getting some amp readings, some real data I can show. 100amps is a LOT .. maybe If it was a 6 DOF.. where all the weight is on the motors.. The 3DOF and 2DOF seatmover maybe will max out around 25 amps.. So, if you can, reply back with a part number or link to those controllers.. I'd really like to take a looks at them maybe order a couple.. DMAX
  8. Gadget999

    Gadget999 Well-Known Member

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  9. Halloween2go

    Halloween2go Active Member Gold Contributor

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    Yeah.. Active cooling prevents a LOT of issues.. Thanks for the link.. I'm going to check it out my friend!
  10. Halloween2go

    Halloween2go Active Member Gold Contributor

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    Is that thing for two motors? I see +- and four other connectors?
  11. Halloween2go

    Halloween2go Active Member Gold Contributor

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    Duh.. Yeah.. Looks good.. I'm putting them on my list to try out after the JRK's I got..
  12. Gadget999

    Gadget999 Well-Known Member

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    My Motion Simulator:
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    yes you can run 2x motors with one driver

    simple to wire up
    5v
    gnd
    pwmA
    cwA
    acwA

    pwmB
    cwB
    acwB
  13. Halloween2go

    Halloween2go Active Member Gold Contributor

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    Thanks my friend.. I got it.. I did sub your page btw.. Fantastic Job on the MONSTER.. Dang.. I need to build that thing.. I will too.. Carbon fiber But in VR.. no screens.. DMAX