[PRCo] Re: PCC__Handbrakes

[James B. Holland]

Thank You, Boris  --  thought this was the case and was looking for your 
previous posts on this subject last night  --  sleep got the better of 
me.       Was trying to remember the front end of the 16xx-Interurbans 
and Do Remember the mechanism for the Air-Horn being mounted where the 
Water Pump(!) was located.



Boris Cefer wrote:

> The interurban 1600s with B-3 trucks had air-released, spring-applied 
> drum brakes, so they did not have hand brake. To release the brakes to 
> allow pushing a broken car, each air actuator had a small hook similar 
> to that on 1700s, which released the spring in the actuator.
>
> Boris
>
> ----- Original Message -----
> From: <hrbran99 at adelphia.net>
> To: <pittsburgh-railways at dementia.org>
> Sent: Sunday, May 01, 2005 2:10 AM
> Subject: [PRCo] Re: PCC__Handbrakes
>
>
>> I was taught, in streetcar training at PAT that all AIR CARS had 
>> air-applied, spring-released brakes and all ALL ELECTRIC CARS had 
>> spring-applied, electrically released brakes. Hence, the all 
>> electrics did not need an "emergency" brake. The brakes came on 
>> automatically when the electric power in the brake circuit was lost. 
>> Also, all electric cars had to have the "brake release" levers on 
>> each side of each truck to get the brakes released to tow the car. 
>> Howerver, the air cars HAD to have an emergency braking system 
>> (manual) because when the air pressure was lost so were the brakes. 
>> Also, bear in mind that when I went through streetcar training at PAT 
>> the only classes of PCC cars remaining were the 1600s and 1700s.
>
>> However, I should think that if the 1200s were air-electric with air 
>> brakes then they had to have had an emergency braking system. If they 
>> had electric brakes which were spring applied and electrically 
>> released then they would not need an emergency braking system.
>
>> I do not have the two PCC books at hand right now to check. Does 
>> anyone know what braking system was on the 1200s?
>
>> Herb Brannon
>



Jim__Holland


I__Like__Ike.......And__PCCs!!

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