Subject:
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Re: BR18 Steam Locomotive
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Newsgroups:
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lugnet.trains
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Date:
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Mon, 19 Nov 2001 16:37:43 GMT
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Viewed:
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461 times
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In lugnet.trains, Ron Kittle writes:
> Wow, Shaun, this is a great engine! I second the request for a video
> file to see it in motion!
>
> I wish lego would create some new pieces to make it easier to model the
> running gear for steamers. Of course (as you well know), once you create
> an engine with a long wheelbase, those tight turns become an issue!
Hi Ron,
Thanks for the comments!
You're right, I spend soooo much of my time trying to figure out how to make
the wheels work ... and of course, even after I've settled on a design, it
changes a dozen times during the coure of building. But then again, isn't that
part of the fun? Hmmm, maybe not :P
The real challenge turned out to be that trailing axle (supporting the cab).
For the longest time I had its rotation fixed to the third drive-wheel-axle.
This worked great, *except* when the motive force came from behind (pushing).
Then it had a tendency to buckle in the middle, pushing the drive wheels to one
side and the trailing wheels to the other. I was pleased when I stumbled on
that "switchback" articulation. When pushed from behind, the long section
automatically tries to straighten out, but it has enough play to easily manage
LEGO track curves.
I would shudder at the thought of trying anything with a longer wheelbase,
though. This was bad enough ...
Thanks again!
-s
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Message is in Reply To:
 | | Re: BR18 Steam Locomotive
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| Wow, Shaun, this is a great engine! I second the request for a video file to see it in motion! I wish lego would create some new pieces to make it easier to model the running gear for steamers. Of course (as you well know), once you create an engine (...) (23 years ago, 19-Nov-01, to lugnet.trains)
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