[PRCo] Re: Bent Pole

[John Swindler]

Another fantrip car backed into St. Clair (?) St. in East Liberty and sand almost insulated the wheels from the track.  Almost.  Have a slide of a nice arc between one of the wheels and the rail.

 

Cheers

John

 

 


 
> Date: Sun, 29 Mar 2009 13:25:18 -0700
> From: pcc_sr at yahoo.com
> Subject: [PRCo] Re: Bent Pole
> To: pittsburgh-railways at dementia.org
> 
> 
> > ----- Original Message ----
> 
> > From: "fwschneider at comcast.net" <fwschneider at comcast.net>
> > To: pittsburgh-railways at dementia.org
> > Sent: Sunday, March 29, 2009 9:09:13 AM
> > Subject: [PRCo] Re: Bent Pole
> > 
> > 
> > Pulling power through a dewired pole arcing along overhead will heat it and
> > weaken it too ... I remember watching one turn from black to orange when
> > a motorman stupidly pulled power at Warrington and Beltzhoover while it
> > was dewired and bouncing through the special work.
> 
> 
> Mr.Schneider;
> 
> 
> There must have been extenuating circumstances; the pole itself carries all the current
> when the wheel is on the overhead doesn't it but it never turns orange. Drawing such
> large amounts of power to heat the pole to glowing suggests a short or locked brakes or
> wheels when the power is applied.
> 
> When the Pirates won the pennant the ticker tape jammed the wheels; 
> this brought down the overhead when motormen applied power but 
> the trolley poles themselves were fine.
> 
> 
> Phil
> 
> 
> 
> 
> 
> 

_________________________________________________________________
Internet Explorer 8 – Get your Hotmail Accelerated.  Download free!
http://clk.atdmt.com/MRT/go/141323790/direct/01/