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Wiper Motors on Pollin.de: Valeo or Denso?

Discussion in 'Motor actuators and drivers' started by jakob, Sep 23, 2009.

  1. jakob

    jakob New Member

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    Hi,

    Pollin has two different wiper motors in stock:

    1. http://www.pollin.de/shop/shop.php?cf=d ... 3OTg4&ts=0

    and

    2. http://www.pollin.de/shop/shop.php?cf=d ... 3OTg4&ts=0

    The Denso is much faster (120rpm) as the Valeo (65rpm). I guess, the Valeo has more torque because of its gear ratio. But is a 65rpm motor fast enough to kick the chair suddenly on short but strong FFB signals (crash or road holes)?

    Sure, I could mount a longer lever to the motor to speed up the chair movement and make it more agile, but that would cost torque.

    Which one would make more sense? Denso with a shorter lever, or the Valeo with a longer one?


    Thanks,
    jakob
    jakob, Sep 23, 2009
    #1
  2. R-eng

    R-eng Member

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    I have used the Valeo motor briefly. It has a plastic gear inside and is fine for FREX or balanced Joyrider types. Anything else and you may wind up stripping the main gear during reversal. I have drawn about 8-10 amps from them under load, and they will run at 24v with double the rpm, but depending upon the duty applied, they may heat up a lot. Heatsinking them would help.

    You would need to know the wattage of the motors to realize the actual torque outputs, not just the rpm. I must say that it does seem quite 'torque-y' and powerful when used with well balanced sims. I bought mine for $17.USD ea.

    One other note, it is best to open them up and remove the circuitry to allow direct connection to the motor, otherwise you will have to ground out the wiper 'park' function. It also seems to run a bit faster with this removed, but I did not actually measure the rpm with it disabled.

    See my post and the video link here:
    post17988.html#p17988

    R-eng
    R-eng, Sep 23, 2009
    #2
  3. jakob

    jakob New Member

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    Oh, they also running with 24V? Pretty cool, because I have two nice 24V PWM amps. So I don't have to build tronicgr's h-bridge and can use them with my Velleman.

    I don't know the exact wattage of both motors, but the discription says they need 3A in normal operation. 12V*3A=36W

    Have you connected the motor power directly to the motor windings after removing the circuitry inside?


    Jakob
    jakob, Sep 23, 2009
    #3
  4. R-eng

    R-eng Member

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    The reason I say you may strip the plastic gear is because I have.

    1) The Valeo draws ~2.5A under no-load conditions. My experience shows it capable of 120-150W of output at 12v.

    2) Of course I have connected it directly...why else would I suggest it?

    R-eng
    R-eng, Sep 24, 2009
    #4
  5. jakob

    jakob New Member

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    Sorry, misunderstood your previous post.

    Thanks,
    Jakob
    jakob, Sep 24, 2009
    #5
  6. 914tom

    914tom Member

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    sad me,

    because of there are no tronico or valeo motors left in the pollin shop, so i also think of using the DESOS.
    what type are you using now ?
    does anyone have experience with the DENOS ?

    My electronic is now ready, i need the motors next .

    Thank you
    merry x.mast

    TOM
    914tom, Dec 21, 2009
    #6