[PRCo] Re: Pittsburgh Overhead

[Harold G.]

Greetings to all

heavier overhead is not always needed.
Pgh Warrington Ave and up the hill is overbuilt in\
my opinion.  Catenary is not always a requirement.
It often comes from the culture of the designer.

San Francisco LRV and Boston run on ordinary trolley
wire in many places.  In Europe, you will find heavy
construction in Germany with pullies, etc.  But in France.
noit so.  The French often use a close double trolley wire
not visible to the eye.   This is on most new French cities.
They also bury the feeder cable...a real problem in Pgh
These are new systems like Lyon, Grenoble, Nantes, etc.

Even when some cities use catenary out on the line, they
use simple trolley wire downtown.

Pgh is overbuilt and over designed in my opinion.

Harold
-----Original Message-----
From: Matt Barry <mrb190+ at pitt.edu>
To: pittsburgh-railways at dementia.org <pittsburgh-railways at dementia.org>
Date: Wednesday, March 16, 2005 2:21 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
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