[PRCo] Re: Pittsburgh car trucks

[Schneider Fred]

And a coat of paint adds several hundred pounds of pigment ... except  
in the later years in Pittsburgh that all wore off.


On Jul 14, 2009, at 3:44 AM, Mark McGuire wrote:

>  Wouldn't the high back seats be considerably heavier than the  
> standard rataan(sp) seats?
> ---------- Original Message ----------
> From: Schneider Fred <fwschneider at comcast.net>
> To: pittsburgh-railways at dementia.org
> Subject: [PRCo] Re: Pittsburgh car trucks
> Date: Mon, 13 Jul 2009 09:17:35 -0400
>
> I looked at that too and questioned it.   I wondered if the toilet
> and the extra partitions weighed more than the seats they replaced?
> The larger pinion gears and smaller bull gears would probably be
> offsetting so that probably doesn't matter..   We've also added field
> weakening coils and contactors but I too have trouble believing that
> all the minor modifications added up up 4500 pounds.
>
> My suspicion is that the discrepancy isn't really 4500 but closer to
> 1800.
>
> Notice, Ed, that the weights of the 5000s, the 5100s and the 5200s
> are inconsistent and all four groups of cars (including the 3750s)
> were multiple unit cars with the identical control package and  
> couplers.
>
> The 5400s and 5500s came with K control and should have weighed about
> the same.   The 4800-4939 group were designed to tow trailers and had
> K-43 control and the couplers were different.    The 4700s were
> single door cars with Jones control.   I suspect that even though the
> list was updated to 1937, the cars were never put on a scale after
> the 4700s and 4800s had new front doors added.
>
> On Jul 13, 2009, at 8:50 AM, Edward H. Lybarger wrote:
>
>> What no one has been able to successfully explain to me is why the
>> 3750s are
>> listed as being 5000 pounds heavier as essentially identical low
>> floor cars
>> in other series.  We encountered this discrepancy when we were
>> looking at
>> things for 4398 a few years ago.
>>
>> I do not believe that there was that much difference in the weights.
>>
>> -----Original Message-----
>> From: pittsburgh-railways-bounce at lists.dementia.org
>> [mailto:pittsburgh-railways-bounce at lists.dementia.org] On Behalf Of
>> Schneider Fred
>> Sent: Sunday, July 12, 2009 10:16 PM
>> To: pittsburgh-railways at dementia.org
>> Subject: [PRCo] Pittsburgh car trucks
>>
>> Do not know if I ever put this on line before ... might be useful
>> to some of
>> you.
>> Comes from a Pittsburgh Railways drawing created in 1926 and
>> revised in
>> 1935.
>>
>> Shows car series numbers, trucks, and car weights:
>>
>> Purfesseur Fred
>>
>> SERIES    TRUCK                 CAR WEIGHT
>>
>> 3100         Bemis                        48,000
>>
>> 3400         Bemis                        50,000
>>
>> 3500         St. Louis                    58,000
>>
>> 3600         Baldwin                      71,900
>>
>> 3700         M-26     27" dia.         49,000
>>
>> 3750         M-25                          45,000
>>
>> 3800         M-27                          49,500
>>
>> 4000         Brill 49-E-2                 48,000
>>
>> 4100         Standard CP-50         48,000
>>
>> 4200         M-25                          40,000
>>
>> 4250         M-25                          40,000
>>
>> 4300         M-25                          40,000
>>
>> 4350         M-25                          41,000
>>
>> 4400         M-25                          40,000
>>
>> 4700         M-25                          38,000
>>
>> 48-4900    M-25                          39,000
>>
>> 5000         M-25                          43,200
>>
>> 5100         M-25                          40,500
>>
>> 5200         M-25                          40,500
>>
>> 5400        M-25                           40,000
>>
>> 5500        M-25                           40,000
>>
>> B200        M-25                           28,000
>>
>>
>>
>>
>
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