Subject:
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Re: Universal Joint Modifications for Train Applications
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Newsgroups:
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lugnet.technic
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Date:
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Fri, 7 May 2004 16:23:34 GMT
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Viewed:
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1661 times
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In lugnet.technic, Mark Bellis wrote:
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For those unaware, a Shay engine has a 3-cylinder engine hanging over one side
of the loco with jointed extending shafts running the length of the loco to 2
or 3 bogies. In principle this requires 6 uni joints and 3 extension devices.
The problem with the Shay is to get the flexible transmission into a very
short length (I’m aiming for 8 studs or less), yet extending and contracting
by 2.5 studs as the bogie turns.
Any ideas for alternative solutions that fit the above spec are most welcome.
Mark Bellis
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For what I can read, it seems to be a good use for the broken u-joints (yes,
they are toooooooo long)... but, can we see the piece modified? It may help
looking for an alternative solution. An also, where can I see a Shay engine?
I’ve never heard about it.
Thanks a lot,
Luis 
(comments, instructions, death threats, etc. please remove all the X’s)
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Message has 1 Reply:
 | | Re: Universal Joint Modifications for Train Applications
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| (...) There are pictures of Shays at: (URL) #6 is the one I'm building a model of, as its wheels are bigger than on most others (4ft rather than 3ft), so the BBB wheels (3'9" in 8mm:1ft scale) fit better. So far I cut up 6 5L axles into 3.5L and (...) (21 years ago, 8-May-04, to lugnet.technic, FTX)
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