[PRCo] Re: Brakes on Pittsburgh PCCs

Fred Schneider fwschneider at comcast.net
Sun Jul 9 07:58:24 EDT 2006


No,  Boris.   1600 is not on the list.   I tried to type it narrow  
enough that it would not wrap but it did in your case.    You have  
confused an entry that reads 1600 type motors or 1600 type trucks  
with car 1600.

On Jul 9, 2006, at 12:54 AM, Boris Cefer wrote:

> Fred, thank you for your effort! I assume it is a typewriter file.  
> We need
> more such papers!
>
> What is of particular interest - car 1600 is still on the list and  
> with GE
> motors and the date of the Homewood fire is Oct. 1955!
>
> Boris
>
> ----- Original Message -----
> From: "Fred Schneider" <fwschneider at comcast.net>
> To: <pittsburgh-railways at dementia.org>
> Sent: Sunday, July 09, 2006 3:07 AM
> Subject: [PRCo] Brakes on Pittsburgh PCCs
>
>
>> I found a rather unique document in my files that lists brake
>> apparatus on Pittsburgh PCCs as of 6 December 1955.   It is copied in
>> its entirety below.
>> Jim Holland and Boris Cefer will have a field day!!!
>>
>> BCC to Hamley, Wells, King, Skrbin,Lybarger,  and Orient.  Yins may
>> want to file this in the shop for the day when you have to work on
>> 1138 or 14whatever or 1799 ex 1613 or whatever it was.   Judging from
>> this, our 1400 is a stock 1400 with B2 trucks and more or less
>> regular braking but I notice that a lot of the 1400s were rewired for
>> EDB.
>> ____________________________________________________________________
>>
>>
>>                                             12-6-55
>> Cars with Special Equipment, Types of Brake Valves and Lock Out  
>> Relays
>> on P. C. C. Cars
>>
>> M-11       1500 type trucks, 1000 type Westinghouse Motors.
>>
>> 1230       1500 type trucks, 1500 type Westinghouse Motors.   Exended
>> dynamic braking
>>                   and motor mounted drum brakes.   Wiring changes see
>> Drwg. No. 7D-7490.
>>
>> 1224 to 1274 incl.   Extended dynamic braking and Westingthouse Air
>> Brake Co., pinion
>>                   mounted drum brakes.   (except car 1230).   For
>> wiring changes see Drwg. 77-7720
>>                   except cars 1225 and 1250   see Drwg. 7D-7445.
>>
>> 1278        1600 type trucks, 1600 type G. E motors.  Extended
>> dynamic braking to 2 M/hr.
>>
>> 1401        Accelerator cam switch sequence is different than other
>> 1400 cars.  Wiring changes -
>>                   see Dwrg. 7D - 7199.
>>
>> 1410        Westinghouse Air Brake Co., pinion mounted drum brakes.
>> Extended dynamic
>>                   braking.   For wiring changes see Drwg. No.  
>> 7B-7453.
>>
>> 1429        Westinghouse Air Brake Co., pinion mounted drum brakes.
>> Extended dynamic
>>                    braking.
>>
>> 1430         Westinghouse Air Brake Co., pinion mounted drum
>> brakes.   Extended dynamic
>>                    braking.
>>
>> 1431         1400 Type trucks with 1600 type Westinghouse motors.
>> Clark Equipment Co.
>>                    motor mounted drum brakes and extended dynamic
>> braking.
>>
>> 1444         Westinghouse Air Brake Co., pinion mounted drum
>> brakes.   Extended dynamic
>>                    braking.
>>
>> 1445         Westinghouse Air Brake Co., pinion mounted drum
>> brakes.   Extended dynamic
>>                    braking.
>>
>> 1446         Westinghouse Air Brake Co., pinion mounted drum
>> brakes.   Extended dynamic
>>                    braking.   For wiring changes see Drwg. No.  
>> 7D-7386.
>>
>> 1447        1600 type trucks with Westinghouse motors.    Extended
>> dymamic braking and
>>                    Clark Equipment Co., motor mounted drum brakes.
>> For wiring changes see
>>                    Drwg 7Dj-7318
>>
>> 1475-1499   Increase speed of MG set from 1700 to 2200 RPM., See
>> Drwg. 7A-8059.
>>
>> 1480         W. A. B. Co., pinion mounted drum brakes.  Extended
>> dynamic braking.
>>                    Increased speed of MG set from 1700 to 2200 RPM.
>>
>> 1483        Extended dynamic braking and wiring changes. - see Drwg.
>> No. 7D- 7064.
>>                   Increased speed of MG set from 1700 to 2200 RPM.
>> Motor Generator
>>                   control connection diagram, see Drwg. 7B-7724.
>> 1600 Clark trucks, 1600
>>                   GE motors and Clark Equipment Company motor mounted
>> drum brakes.
>>
>> 1484       Westinghouse Air Brake Co., pinion mounted drum brakes.
>> Extended
>>                  dynamic braking and increased speed of MG set from
>> 17600 to 2200 RPM.
>>
>> 1485       Westinghouse Air Brake Co., pinion mounted drum brakes.
>> Extended
>>                  dynamic  and increased speed of MG set from 17600 to
>> 2200 RPM.
>>
>>
>>
>> End Page 1
>>
>>
>> 1500       Clark Motor Mounted 1600 type.  Extended Dynamic Braking.
>>
>> 1501       Westinghouse Air Brake Co., pinion mounted drum brakes,
>> 1400 type
>>                  Westinghouse motors, Extended Dynamic Braking.
>>
>> 1502       Westinghouse Air Brake Co., pinion mounted drum brakes,
>> 1400 type
>>                  Westinghouse motors, Extended Dynamic Braking.
>>
>> 1503       Westinghouse Air Brake Co., pinion mounted drum brakes,
>> 1400 type
>>                  Westinghouse motors, Extended Dynamic Braking.
>>
>> 1504       1600 type trucks, 1600 type Westinghouse motors.    
>> Extended
>>                   dynamic braking and Clark motor mounted drum  
>> brakes.
>>
>> 1505       1600 type trucks, 1600 type Westinghouse motors.    
>> Extended
>>                   dynamic braking and Clark motor mounted drum  
>> brakes.
>>
>> 1550 to 1564 incl.  Increase speed of MG set from 1700 to 2200 RPM.
>> See drwg.
>>                  7A-8059,
>>
>> 1615 to 1619 incl., 1645-46 and 47 have St. Louis B-3 trucks.  W. A.
>> B. motor mounted drum brakes.
>> (Note 1648 may have also be so equipped but it was lost in the Oct.
>> 1955 Home-
>> wood fire.)
>>
>> 1630       Electric controlled ventilating system.   See Drwg. No.
>> 7B-7799.
>>
>> 1683.      Modified wiring - see Drwg. No. 7D-7578.
>>
>>                   Brake Valves - W.A.Brake Co.
>> R-8    on  1000-1100-1400 and 1500 series PCC cars
>> R-10 on 1200
>> R-12 on 1600 except 1615-19-17-18-19-45-46 and 47.
>> Modified R12 on 1615,16-17-18-19-45-46 and 47 (see Drwg. 7B-7654)
>>
>>                   Lock Out Magnet Valve - G. E. Corp.
>>                      (Non Extended Dynamic Braking)
>> Car Nos.
>> 1000-1100 (West & GE)                         17 MV 15 A1
>> 1200  (West. & GE)                                  17 MV 22 A5
>> 1400  (West  & GE)                                  17 MV 15 A2
>> 1500  (West & GE)                                   17 MV 15 C6
>>
>>                   Lock Out Magnetgnet Valve - G. E. Corp.
>>                     ( Extended Dynamic Brake Cars)
>> Car Series:
>> 1200, 1400, 1500, 1600 (West, GE)     17 MV 15 C11
>> Except cars 1615, 16, 17, 18, 19, 46 and 17   17 MV 22 A
>>
>>                  Lock Out Relay - Westinghouse Corp.
>> Car Series
>> 1700 (Westinghouse only)                         URA-12
>>
>> (S) A. J. Marshall                      (S) Jos. J. Naegelen
>>
>> End Page 2
>
>




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