[PRCo] Re: Re :Fineview PCCs

[Herb Brannon]

You were certainly busy when you were 18, weren't you now.
On Fri, Feb 17, 2012 at 16:45, Fred Schneider <fwschneider at comcast.net>wrote:

> Leverage of car moving backward.   For some reason, while you and I would
> expect the frame on which they are mounted to lift straight up with the
> shoes remaining tangent to the rail, they didn't.
>
> The downhill (rear end of the car) end of the shoe simply behaved, Boris,
> like it was dug into the rail and the front lifted off the rail.   Perhaps,
> and you know we don't always look for what the obscure cause is when we are
> 18 years old, but perhaps the rear of the shoe or the the frame was locked
> against a raised rail joint or wedged against a paving block so that as the
> car rolled backward, the shoe dug into the adjacent rail or block, and
> front lifted because the magnetic attraction was insufficient to overcome
> the rolling force of the car.
>
> I only remember what I saw in 1958.   I didn't test it with an engineering
> mind then because it didn't make perfect sense.   When you are 18 and right
> out of high school there are a lot of things you see to which you fail to
> test with reason.  I didn't have the wisdom then to realize it didn't make
> perfect sense.   If I had, I would have probably looked to see what the
> shoe was butting up against.
>
> Make sense Boris?
>
> fws
>
>
> On Feb 17, 2012, at 3:14 PM, Boris Cefer wrote:
>
> > Please, tell me, what lifted the track brake shoes off the rail!
> >
> > B
> >
> > ----- Original Message -----
> > From: "Fred Schneider" <fwschneider at comcast.net>
> > To: <pittsburgh-railways at dementix.org>
> > Sent: Friday, February 17, 2012 4:39 PM
> > Subject: [PRCo] Re: Re :Fineview PCCs
> >
> >
> > The company did not seem to worry about what they put on FINEVIEW on
> > fantrips.   I personally scheduled a fantrip using 1707.   Believe me, it
> > was not suited.   The drum brakes would not hold it on Henderson Street
> and
> > the grade was so steep that the track brake shoes lifted off the rail at
> at
> > angle of several degrees.   But we got over the line.   The also ran
> 1700s
> > over Arlington Avenue as the tunnel bypass and that was a little crazy
> but
> > that may have only been in the PAT days.
> >
> > Point is, PRC had a rational plan.   Yes it was not perfectly consistent
> > over time because it could not be.  When you close barns and move cars
> > because you are contracting operations, there is no way the plan can be
> > preserved.
> >
> >
> >
>
>
>
>


-- 
Herb Brannon
In Cuyahoga Valley National Park