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66770Re: [Z_Scale] Question

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  • John Duino
    Apr 11, 2011
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      I agree with Lindley.

      Marklins also, as you observed, draw significantly more amperage. I'm actually surprised the GP35 is pulling 22ma as I've seen many in the low 10's. Might just be needing more break-in. 40'ish doesn't seem out of character for the Marklin.


      ----- Original Message -----
      From: "Lindley Ruddick" <elruddick@...>
      To: "z scale" <z_scale@yahoogroups.com>
      Sent: Monday, April 11, 2011 2:25:33 PM
      Subject: Re: [Z_Scale] Question

      Totally different motors with totally different characteristics. All seems normal.
      Marklins are often real screamers with regards to speed. Some Marklin locos are either off or full speed ahead. MTL's will creep.

      > Another rather zimple question from a newbie to Z Zcale:
      > Comparing 2 brand new locos right out of the box--Marklin F7 #88603 and
      > Micro-Trains Line (MTL) GP35 #981 01 520
      > Observations:
      > Both have been run more than 20 minutes.
      > Marklin runs mush faster around a simple level oval at a lower voltage and
      > higher current draw (lower wattage).
      > Marklin:--10 seconds, 4 VDC, 44 mA (calculated 176 milliwatts)
      > MTL:------15 seconds, 8 VDC, 24 mA (calculated 192 milliwatts)
      > QUESTION:
      > Do you think there is something wrong with the MTL (e.g. dry or insufficient
      > lube, binding somewhere in the drive train, etc.)?
      > TIA for your time to consider this situation,
      > Marty Zoll
      > EZtacada, OR
      > [Non-text portions of this message have been removed]
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