Subject:
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Re: Articulation with "working" connecting rods
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Newsgroups:
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lugnet.trains
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Date:
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Mon, 4 Sep 2006 21:49:27 GMT
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Viewed:
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2581 times
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In lugnet.trains, Sebastian Dyson wrote:
> I'm trying to design an 8-wide 4-8-4 using Big Ben's wheels (CAD only, I'm but a
> poor student), and want the loco to be able to negotiate standard Lego curves.
> As the leading truck has an axle each side of the cylinders, I'm finding it hard
> to keep the cylinders fixed relative to the driving wheels without the cylinders
> and/or rods fouling the wheels of the pilot truck.
> <snip>
> So if anyone's got any tips or experience in this, I'd love to hear it.
Hello Sebastian,
The best I've manage to work out on this is with my 4-8-4 Northern engine as
shown at:
<http://www.bigbenbricks.com/gallery/484sps700_b.jpg>
In this case, I put the leading wheels forward of the steam cylinders. The
cylinders stay attached to the same bogie/truck that drive wheels are attached
to. Not entirely prototypical, but it performs well when running on all sorts of
track configurations.
Hope this helps. If you figure out something else, please do share.
Cheers,
Ben Fleskes
Big Ben Bricks LLC
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Message is in Reply To:
 | | Articulation with "working" connecting rods
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| I'm trying to design an 8-wide 4-8-4 using Big Ben's wheels (CAD only, I'm but a poor student), and want the loco to be able to negotiate standard Lego curves. As the leading truck has an axle each side of the cylinders, I'm finding it hard to keep (...) (18 years ago, 4-Sep-06, to lugnet.trains)
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