[PRCo] Re: Braking Systems

[James B. Holland]

John Swindler wrote:

> Jim/Fred:
>
> It wasn't the operator that removed the necessary action derail switch.
>
> John


Would this be considered a Necessity Action turnout?       Toronto used 
such a system which is outside the norm used by others and PRCo.       
Under the Toronto system a turnout stays set and It Is Necessary To Take 
Action to set it in another position  --  on PRCo, SF, Philly, and most 
other systems the turnout will set for the straight through direction 
unless the toggle is activated // power applied when passing through the 
contactor which sets  AND  maintains a turnout for the diverge direction.

This turnout still operated in traditional PRCo fashion but with delay 
and a reset so once a car passed through it returned to derail position.

Just a clarification of terminology  --  believe this is not a Necessity 
Action type turnout although it was Necessary to set it for the desired 
direction  --  but that is true of any turnout.



Jim__Holland


I__Like__Ike.......And__PCCs!!

down with pantographs ---- UP___WITH___TROLLEYPOLES!!!!!!!