[PRCo] Re: The final brake
Herb Brannon
hrbran at sbcglobal.net
Sat Sep 1 18:13:49 EDT 2007
All electrics had SPRING APPLIED and ELECTRICALLY RELEASED brakes. Thus, with no power to keep the brakes released they would come on and stay on do to the springs. This is why all electrics had to have their brakes "pulled" (manually released) before being towed.
ROBERT R ROCKWELL <w3syt1 at msn.com> wrote: So, in the case of a complete power failure on an ALL electric car, which is the last resort ? A motor drum brake spring loaded (reduction type brake), or a magnetic track brake fed from 32 v batteries ?
Robert Rockwell
w3syt1 at msn.com
----- Original Message -----
From: Boris Cefer
To: pittsburgh-railways at dementia.org
>>> followed by a mechanic brake,
wheel tread brakes operated by air on earlier PCCs or motor drum brakes controlled electrically on most postwar cars.
Herb Brannon
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