> Posted by: "ed_loizeaux" [EMAIL PROTECTED] ed_loizeaux
> Date: Sat Jul 1, 2006 11:13 am (PDT)
>
>--- In [email protected], Bill Roberts <[EMAIL PROTECTED]> wrote:
>> This suggests that a No. 6 switch can handle anything in S scale,
>> except perhaps a 4-12-2, if the switch is built to the NMRA
>> recommended practice.
>
>Boy oh boy.....I'd be careful with this "assumption/prediction". My
>experience (design theory aside for the moment) is that it is
>difficult to get an off-the-shelf X-8-X steam loco through a #6
>turnout. <cut>
>
>Was the turnout built properly? Probably not <snip>
>
>Was the loco built properly? Probably not <bobbit>
>
>I would simply
>suggest that folks check and double check how things actually work
>before designing/building a layout based on the theoretical
>assumption that all will work just fine with steamers and #6
>turnouts.
We agree, Ed. How things actually work is better than theory. Avoid
assumptions. Build models properly. Be careful.
It's useful to remember that the NMRA says it is OK to deviate from
its recommended practices. They are intended to promote maximum
interchange and to improve design and function, but they are not
chiseled in stone.
My question applies to switches and to locos that both follow the
NMRA RPs. If the makers of switches and of locos follow different
sets of rules, then successful interchange, as you warn, is not
always a sure thing.
--
Bill Roberts
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