Re: AIR BRAKES 101.... was Re: RGS #20. Was: [HOn3] Division Point K-27 question


John Stutz
 

Thanks again Earl

For a clear and concise explanation of RR automatic air brake construction and operation. 

From what you previously wrote, I infer that the dump valve on RGS 20's tender is to allow the head end brakeman to trigger an emergency stop, if he finds cause while monitoring the train.   And I now recall that most cabooses also have one in the cupola, for the same reason.

John Stutz

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