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| Re: [PHOTOS] Re: Color photo of GG1 at Elizabeth NJ (1429788) | |||
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Re: [PHOTOS] Re: Color photo of GG1 at Elizabeth NJ |
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Posted by Olog-hai on Sun Mar 12 12:11:49 2017, in response to Re: [PHOTOS] Re: Color photo of GG1 at Elizabeth NJ, posted by orange blossom special on Sun Mar 12 11:18:40 2017. Steam heat for older non-HEP cars.The original place steam-heated cars got their steam from was the boiler of a steam locomotive; the general practice was to send about 10 psi per car into the steam heat system. Electrics and diesels, when they came along, needed a boiler on board to keep the heat for the cars. Sometimes things got reversed; for example, the car behind #909 here has a HEP generator on board, since the locomotive doesn't have one for those Amfleet I cars.  |
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