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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Tue, 5 Sep 2006 10:26:38 GMT
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Viewed:
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2286 times
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In lugnet.trains, Ben Fleskes wrote:
> 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
That's quite neat - it hadn't occurred to me to shorten the front truck like
that to make room behind. But then I was trying to fit a motor in the front
when I did mine.
Jason R
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Message is in Reply To:
 | | Re: Articulation with "working" connecting rods
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| (...) Hello Sebastian, The best I've manage to work out on this is with my 4-8-4 Northern engine as shown at: (URL) In this case, I put the leading wheels forward of the steam cylinders. The cylinders stay attached to the same bogie/truck that drive (...) (18 years ago, 4-Sep-06, to lugnet.trains)
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