Re: Would a Replica Mason Bogie Even Allowed?

Kevin K Wrote:
=======================================================
> I didn't want to hijack the WW&F thread on
> rebuilding the #9, but the rebuild of that
> locomotive brings up an interesting question
> concerning the ability to build a replica of a
> South Park Mason Bogie. Here is a quote from that
> thread;
>
> The discussion on the WW&F Museum forums sheds
> considerable light on something that may not be
> obvious to casual observers who haven't visited
> the operation in Alna, ME. The rebuild on Number 9
> is not simply a rebuild to "as-built" condition,
> due to some disconcerting flaws in the original
> design. I believe that the stress on the draw-bar
> was effectively being transferred to the boiler,
> because the connection between the fore and aft
> sections of the frame WAS the boiler. Obviously,
> in today's environment, that wouldn't be
> considered a particularly good idea. As a result,
> the folks at the WW&F have had to do some
> re-engineering of the original frame, to
> physically connect the two sections of the frame,
> and have the resulting structure support the
> boiler vs. incorporating the boiler.
>
> If putting this stress through the boiler is not
> allowed by today's standards, then it looks like a
> replica Mason Bogie would not be allowed to be
> built; or steamed up anyways. Is this true?

See [ngdiscussion.net]
I hear Mssr. Moedinger has experience. Looks like a math question.?