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  • Motor Tests

    Rob & Dave, tested your motors and results weren't good. :sorry:

    One of you has an RPM problem and one of you has a torque issue. :(

    Each of your motor test results are highlighted in yellow. I included some recent tests of other motors for comparison.


    [URL=http://s1111.photobucket.com/user/John_Greenway/media/motortests_zpsedbf6c45.jpg.html][IMG]http://i1111.photobucket.com/albums/h476/John_Greenway/motortests_zpsedbf6c45.jpg[/IMG][/URL]

  • #2
    John,
    Great to see you are posting motor test data.
    That is always useful and interesting.

    Looking at the torque data, I think there is something wrong with the calaculation or maybe how it is being translated.
    All of your torque values are roughly half of the manufacturers claim.
    Is it possible the values were extrapolated for the motors peak efficiency which is half max rpm?
    Or is this not measured as 'stall torque'?
    Last edited by Moby Dick; 10-24-2013, 07:36 AM.

    Comment


    • #3
      [quote=Moby Dick;781207]John,
      Great to see you are posting motor test data.
      That is always useful and interesting.

      Looking at the torque data, I think there is something wrong with the calaculation or maybe how it is being translated.
      All of your torque values are roughly half of the manufacturers claim.
      Is it possible the values were extrapolated for the motors peak efficiency which is half max rpm?
      Or is this not measured as 'stall torque'?[/quote]

      I believe you have to double the number as you pointed out, I forgot about that. :o:

      Comment


      • #4
        John,
        Can you tell us a little about the motor dyno you are using?
        I heard it is some rig.

        Comment


        • #5
          [B][U]DS Racing Products Test Bench.[/U][/B] Very nice product I am very happy with my purchase. Here's what is written about it on 132slotcar.us

          [URL]http://www.132slotcar.us/store/product_info.php?cPath=542_443&products_id=4141[/URL]

          DS-4101 Slot Car Testing Bench.
          A complete Testing Bench for Slot Car Racing. Works for all Modern 1/32nd, 1/28th and 1/24th scale cars. Sensors to check weight balance, RPM and Magnet Gauss. Also Magnetic down force both with motor running and without. Torque, and amperage draw.
          Automatic motor break in feature with adjustable voltage, break in in six steps.
          Can test all motors up to 3 Amp draw ( not suitable for Commercial Slot Car motors such as Parma. This tool is designed for the modern European type Slot Car motors from Companies such as Scaleauto, Avant Slot, NSR, Slot.it etc.
          Can hook up to both 1.5mm and 2mm motor shafts. Comes with mount for all Euro Slot Car motors such as S-Can, Short Can, Long Can, Flat Can RX Can and RS Can.
          Data via USB and DS Wireless connection.
          24 volt 8 amp power supply included., come with a Aluminum Transport Box.
          Some of the test features. Motor Torque. Displays voltage, amperage, RPM on the LCD display. Once test is finished torque is shown in gr*cm.
          Motor RPM test either automatic or pre set measurement time.

          Displays voltage, amperage and RPM. Once test is finished maximum RPM is shown.
          Wheel RPM measurement.
          Car weight, without magnetic attraction at both front and rear axles plus total weight. Car weight with magnetic attraction, again both front and rear axle weight and total is shown.
          Motor or magnet gauss.
          Both gauss and scale can be calibrated.
          Motor break in in six steps, you can adjust each step both time and voltage. Voltage from 0 to 18 volts. Time program from 0 to 99 minutes.



          For more information, please visit this products [URL="http://www.132slotcar.us/store/redirect.php?action=url&goto=https%3A%2F%2Fwww.facebook.com%2Fphoto.php%3Fv%3D608427969202516%26notif_t%3Dvideo_processed"][U][COLOR=#0066cc]webpage[/COLOR][/U][/URL].

          Comment


          • #6
            Thanks for the info John. Now I can throw that motor in the bottom of my box. By the way I have a scaleauto bb motor for sale! HaHa:lol:

            Comment


            • #7
              I'll take it!

              Comment


              • #8
                [quote=almafan55;781333]Thanks for the info John. Now I can throw that motor in the bottom of my box. By the way I have a scaleauto bb motor for sale! HaHa:lol:[/quote]

                Rob, just put it in a very light car that wont need much torque. Maybe a Mini or a Abarth.

                Dave, your motor has an easy fix. All you need is some slot-it 'orange' paint and you've got yourself a useable motor for a 22K and under race. :lol::lol:

                Comment

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