Subject:
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Re: Shay Chassis (Uni Joint Mods for Trains)
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Newsgroups:
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lugnet.technic, lugnet.trains
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Date:
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Sun, 9 May 2004 19:38:23 GMT
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Viewed:
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2317 times
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> Today I took one of my 1.5L axles (cut down from a 5L into 3.5L + 1.5L), • cut off
> a further 0.25L to give 1.25L and filed 0.5L of the length down to 1/8" • wide,
> using a coarse needle file, with the axle in a fast motor powered by a 9V • train
> controller (my Lego lathe!!!). The result is a 1.25L axle with 0.5L of • flex
> tube profile that fits into the hole in the uni joint that I drilled out • to
> 1/8". This round bit gives more support to the axle. When you put • together the
> modified uni joint, the new axle, a 0.25L bush (made by cutting a small • pulley
> in half (bzzzzzzzz! Rob)) and a 24mm pulley, the whole thing is 4L long, • so I've
> saved 0.5L of length each time. The 0.25L bush is there to stop other • parts
> binding when the uni joints turn to their maximum.
Show pics! I love a good hack!
--
-Rob
www.brickmodder.net
Still proposing:
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Message has 1 Reply:
 | | Re: Shay Chassis (Uni Joint Mods for Trains)
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| (...) Sorry no digital camera, but I'm thinking of devoting a brickshelf folder to mods eventually. I'll take film pictures when it all works and get the CD too. I had it working at a pulley ratio of 1:4 last night - about realistic Shay speed at 9V (...) (20 years ago, 10-May-04, to lugnet.technic, lugnet.trains)
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Message is in Reply To:
| | Shay Chassis (Uni Joint Mods for Trains)
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| (...) Good news! I have a chassis working, powered by a 43362 motor on board. The bogie centres are still 1ft too far apart at 26ft (26L), but I have 1.5L of axle in the middle, giving 2 lots of 0.5L support from liftarms and 0.5L in the middle for (...) (20 years ago, 9-May-04, to lugnet.technic, lugnet.trains)
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