[PRCo] Re: Pittsburgh Overhead

[James B. Holland]

Neither Do Trolley Poles!!!!!!! :-D

J


Boris Cefer wrote:

> That's all correct. I meant that pantographs do not "dewire" on 
> trolley which is OK.
>
> B
>
> ----- Original Message -----
> From: "James B. Holland" <PRCoPCC at P-R-Co.com>
> To: <pittsburgh-railways at dementia.org>
> Sent: Wednesday, March 16, 2005 10:58 PM
> Subject: [PRCo] Re: Pittsburgh Overhead
>
>> Broken hanger / span ((on curve strung only for pans)) not noticed by 
>> operator will *probably* cause dewirement of pan -- with pan being 
>> ripped off the roof of the trolleycar!!!!!!!D> Can We Really Call 
>> them *TrolleyCars* If They Have Pans??!!:D>
>>
>>
>> Pan *Requires* overhead in Far Better Condition than that required 
>> for trolley pole -- pan is very slow to react to changes in wire 
>> height or other conditions -- pan will resist wire suddenly dropping 
>> lower which could potentially dmage pan, and will skip off the wire 
>> that rises too fast -- LOTS of bounce on pans here in SF at grade 
>> changes.
>>
>> Jim
>>
>>
>> Boris Cefer wrote:
>>
>>> Ugly is the correct word.
>>> And there is no chance to dewire with pantographs.
>>>
>>> Boris
>>>
>>> ----- Original Message -----
>>> From: "Matt Barry" <mrb190+ at pitt.edu>
>>> To: <pittsburgh-railways at dementia.org>
>>> Sent: Wednesday, March 16, 2005 8:15 PM
>>> Subject: [PRCo] Pittsburgh Overhead
>>>
>>>> Those of us who remember and appreciate the old PRC and PAT 
>>>> streetcar lines remember the single wire overhead, as opposed to 
>>>> the overhead that the new light rail cars use.
>>>> I have heard comments from people that the new overhead is somewhat 
>>>> unsightly. But, I suppose the advantages with the new overhead is 
>>>> there is less chance of de-wiring.
>>>>
>>>> Check this view of a car on the Panhandle Bridge.
>>>>
>>>> Matt
>>>

http://lists.dementia.org/files/pittsburgh-railways/PAT_0604_62_LRV_4132_Panhandle_Bridge_Pittsburgh_PA.jpg