[PRCo] Re: Pittsburgh Overhead

[Boris Cefer]

But the pole is more sensitive on any inequality. And the pantograph simply
can't follow wrong path on a trolley branch, which is possible with the
pole. I know that it does not happen often, but it is possible.

B

----- Original Message -----
From: "James B. Holland" <PRCoPCC at P-R-Co.com>
To: <pittsburgh-railways at dementia.org>
Sent: Thursday, March 17, 2005 10:06 PM
Subject: [PRCo] Re: Pittsburgh Overhead


> 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