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Re: SP gear ratios
Author: SP5103
Date: 12-16-2010 - 15:32

Didn't SP's regular passenger units for name trains have higher gearing for more than 65 mph? I would imagine the Rio Grand division gave passenger trains so room to run. I doubt they needed that much dual service power for the heavy express trains during the Christmas rush.

Sand ingestion on an FM would be bad, since you have to pull the top crankshaft on an OP engine to do any serious work.

SP did think ahead. The ng GE 50 ton SP #1 was ordered with standard gauge truck frames so they could be converted later. The common 50 ton truck was only convertible between 36" and 42" gauge.

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Subject Written By Date/Time (PST)
  Someone please explain shifting gears in a diesel Appendage 12-15-2010 - 22:33
  Re: Someone please explain shifting gears in a diesel PNWRailfan 12-16-2010 - 05:31
  Re: Someone please explain shifting gears in a diesel Shortline Sammie 12-16-2010 - 07:43
  Re: Someone please explain shifting gears in a diesel SP5103 12-16-2010 - 11:31
  Re: Someone please explain shifting gears in a diesel OPRRMS 12-16-2010 - 12:07
  Re: Someone please explain shifting gears in a diesel SP5103 12-16-2010 - 12:58
  Re: Someone please explain shifting gears in a diesel OPRRMS 12-16-2010 - 13:55
  Re: Someone please explain shifting gears in a diesel SP5103 12-16-2010 - 14:09
  Re: Someone please explain shifting gears in a diesel The Montezumz Yardmaster 12-16-2010 - 14:38
  Re: Someone please explain shifting gears in a diesel OPRRMS 12-16-2010 - 14:45
  Re: SP gear ratios SP5103 12-16-2010 - 15:32
  Re: SP gear ratios OPRRMS 12-16-2010 - 15:55
  Re: SP gear ratios SP5103 12-17-2010 - 10:18
  Re: SP gear ratios OPRRMS 12-17-2010 - 13:18
  Re: SP gear ratios OldPoleBurner 12-17-2010 - 17:49
  Re: SP gear ratios WAF 12-18-2010 - 15:13
  Re: SP gear ratios Dr Zarkoff 12-20-2010 - 11:47
  Re: Someone please explain shifting gears in a diesel OPRRMS 12-16-2010 - 15:35
  Re: Someone please explain shifting gears in a diesel WAF 12-18-2010 - 15:15
  Re: Someone please explain shifting gears in a diesel OPRRMS 12-20-2010 - 10:42
  Re: Someone please explain shifting gears in a diesel BN Oly 12-16-2010 - 19:55
  Re: Someone please explain shifting gears in a diesel njt 12-17-2010 - 09:52
  Re: Someone please explain shifting gears in a diesel SP5103 12-17-2010 - 12:46
  Re: SP SW8 w/ dyanmics SP5103 12-17-2010 - 12:52
  Re: SP SW8 w/ dyanmics OPRRMS 12-17-2010 - 13:12
  Re: SP SW8 w/ dyNAmics George Andrews 12-17-2010 - 15:37
  Re: SP SW8 w/ dyNAmics SP5103 12-17-2010 - 16:10
  Re: SP SW8 w/ dyNAmics Shortline Sammie 12-17-2010 - 21:45
  Re: SP SW8 w/ dyNAmics George Andrews 12-18-2010 - 10:20
  Re: Someone please explain shifting gears in a diesel Dr Zarkoff 12-19-2010 - 21:33


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