Re: Why Didnít The D&RGW Buy EMD GP38ís?
Author: BN Oly
Date: 06-26-2020 - 21:46

Because so much of the Rio Grande is well over 5000', the horsepower losses of a roots blown diesel are unacceptable in most instances. The turbocharged GP40's are able to overcome the less dense atmosphere in throttle notches over 6 where the turbo disengages from the flywheel and is driven purely by exhaust gasses and is able to force more air into the cylinders than a roots blower fixed to engine speed can.



Subject Written By Date/Time (PST)
  Why Didnít The D&RGW Buy EMD GP38ís? RjCorman 06-26-2020 - 21:03
  Re: Why Didnít The D&RGW Buy EMD GP38ís? Bill B 06-26-2020 - 21:16
  Re: Why Didnít The D&RGW Buy EMD GP38ís? BN Oly 06-26-2020 - 21:46
  Re: Why Didnít The D&RGW Buy EMD GP38ís? 51 Deck 06-27-2020 - 07:40
  Re: Why Didnít The D&RGW Buy EMD GP38ís? J.K. Trowling 06-27-2020 - 08:09
  Re: Why Didnít The D&RGW Buy EMD GP38ís? Pdxrailtransit 06-27-2020 - 08:13
  Re: Why Didnít The D&RGW Buy EMD GP38ís? George Andrews 06-27-2020 - 10:06
  Re: Why Didnít The D&RGW Buy EMD GP38ís? Ted 06-28-2020 - 08:38
  Re: Why Didnít The D&RGW Buy EMD GP38ís? Bozito 06-28-2020 - 07:16


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