Hi:
I have enjoyed using SHS flextrack even as the only s gauger (scale,
highrail, or AF) in Norway. Had lots of fun transporting the track here
as carry-on luggage!
regards,
Rance Velapoldi (Tranby, Norway)
ps Don - store your answer and then trot it out every six months as
necessary!!
On 9/26/2011 15:43, Don Thompson wrote:
>
> I think I answer this question on this group every 6 months of so.
> When we first started to produce track we were aware of several
> things. We had been told for years that code 125 rail with small spike
> heads would support AF wheels. We knew that prototype 8" rail was the
> same as height as PRR 155# rail (lbs. per yard or rail). We also knew
> that 155# rail was tried on lots of large railroads, but was most
> popular with the PRR on the Northeast Corridor. We decided not to go
> with the NMRA rail profile, but go back to the prototype and use PRR
> drawings. We NEVER called our rail code 125, but would refer to our
> rail as PRR 155# as that it was we were modeling. When they started
> the tooling to roll the rail, we felt the worse case scenario is if AF
> wheels would not run on our track (snap track, not flex as we had not
> considered flex at that time). Not being a machinist and not really
> knowing the possible range of a rail rolling tool, we requested 0.128"
> +0.003" We explained to the design team that the rail could NEVER be
> lower than 0.126". Of course they went and rolled it at 0.131", the
> largest extreme within our specs. We have made many runs of flex
> track. I guess the dimension could increase as the tool wears. I do
> not remember having to replace or repair this tool.
> I do not think it is that hard to distort the rail joiner by adding a
> thin brass shim to one side and then recrimping the foil on the side
> and top of the railjoiner. As long as the the top of the railheads are
> the same (level) and the inside aspect is also flush, I believe you
> should have no problems with operations.
> My only regret is that we do not have more flex track in stock, I am
> sure I could sell another 1000 of cases....
> Don
> PS If we ever get our tooling moved, that will be the first product
> produced. I have had people in all scale use our flex track agree that
> it maybe the best in any scale...
>
> On Sep 25, 2011, at 2:03 PM, up148 wrote:
>
> > I agree Bill. Maybe Don will chime in.
>
> [Non-text portions of this message have been removed]
>
>
>
[Non-text portions of this message have been removed]
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