[PRCo] Fwd: Re: Improved CSX crossing on the way

[James B. Holland]

--- In Philly_Traction at yahos.com, Jim Holland <PRCoPCC at ...> wrote:

Hi David~!~!~!
.
.
.
I Am Now Understand  --  this sounds like a first  --  Pittsburgh did
something a little similar  --  took out frogs but brought opposing
non-revenue rail up higher so the car would bounce across Quite Hard.   
Removing the frogs reduced the tax base~!~!     But this has to be a
first for regular revenue design  --  Very Interesting  --  hope someone
can get us detailed pictures and hope it works out successfully.



> "dcwarner54" david.warner@ wrote:
>
> Jim,
>
> The CSX tracks remain solid through the crossing. There are no cuts
for the flanges of the intersecting SEPTA rails.
>
> There are ramps on the SEPTA rails that will raise the trucks off the
treads of the wheel and onto the flanges. The ramps go up to the height
of the top-of-rail of the CSX tracks. Thus, the weight of the SEPTA cars
is on the flanges by the time the CSX rails are reached.
>
> The SEPTA cars will experience a bounce as the flanges go over the CSX
rails, drop a bit into the CSX flangeway, and then go back up onto the
top of an inner guard rail before continuing to ride on the flange until
the next CSX rail is encountered. On the far side, there is another ramp
that will lower the trucks so they'll again be riding on the wheel
treads.
>
> I hope this helps to clarify the design.
>
> dcwarner
> wilmington, de
>
> > Jim Holland PRCoPCC@ wrote:
> >
> > .
> > Could you please explain what you mean by the """CSX tracks remain
> > intact through the entire crossing,...???""" There have to be gaps
> > in the rail to allow the flangeway for the TrolleyCar to pass.
> > .
> > Additionally, if the TrolleyCar flangeway is raised then the same is
> > true for the RR -- and RR flanges are deeper so this is a potential
> > problem.
> > .
>

^~^~^~^~^~^~^~^~^~^
*
Jim Holland*

Studying *Pittsburgh Railways Company  (PRCo)*

......................................From 1930 -- 1950

*Pennsylvania Trolley Museum (PTM)*

http://www.pa-trolley.org/

*N.M.R.A.*

http://www.nmra.org/

--- End forwarded message ---