[PRCo] Re: Heat at PRCo 1700 Series Cars

[Boris Cefer]

Schematic diagram says 20 kilowatts on interurban cars and 10 kilowatts on
city cars. Considering the fact that large portion of air is drawn by the MG
set from the interior, this output must be sufficient - IF all the heating
elements are functional.

B
----- Original Message -----
From: "Fred Schneider" <fwschneider at comcast.net>
To: <pittsburgh-railways at dementia.org>
Sent: Wednesday, August 02, 2006 10:38 PM
Subject: [PRCo] Re: Heat at PRCo 1700 Series Cars


> Supplemental doesn't mean enough heat to keep a car warm in museum
> duty ... it only means enough extra heat for northern climates for a
> PCC running a normal duty cycle.
>
> Remember, a PCC was heated by the heat from the accelerating /
> braking resistors.   When a car accelerates on resistance (the first
> few seconds out of a stop) or brakes, then heat is put into the
> car.   That is adequate in Washington DC or Birmingham AL or Dallas
> TX.   It wasn't sufficient in Pittsburgh or Minneapolis or Toronto so
> additional heaters were added.   But it was still assumed that the
> car would be operated and that resistors would provide some heat.
>
> If the car sits around during the day in a trolley museum, and
> accelerates for a few seconds every hour, the supplemental heaters
> won't keep the car warm and the resistance heating isn't going to be
> adequate either.
>
> The car at the Baltimore Streetcar Museum is OK on sunny winter days;
> you need to understand that the climate in Baltimore is 10 to 15
> degrees warmer on a typical winter day than in Pittsburgh.    That
> car has no supplemental heating.
>
> On Aug 2, 2006, at 1:43 PM, Boris Cefer wrote:
>
> > 1711 has supplemental heaters in side ducts. I saw them in a photo
> > when it
> > was repaired in Elmira several years back.
> >
> > ----- Original Message -----
> > From: "Fred Schneider" <fwschneider at comcast.net>
> > To: <pittsburgh-railways at dementia.org>
> > Sent: Wednesday, August 02, 2006 7:38 PM
> > Subject: [PRCo] Re: Heat at PRCo 1700 Series Cars
> >
> >
> >> The 1700 at PTM is a pain in a museum environment.   You can't have a
> >> decent conversation with the passengers without turning off the fans,
> >> and, of course, if you turn off the fans, no air moves.  It's a nice
> >> spring and fall car.   It's horrid in the summer.   And, as with
> >> PCCs, I don't think it has any supplemental heating so that it heats
> >> in the winter only when accelerating or braking.   So it isn't a good
> >> winter museum car either.
> >
> >
>
>
>