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In lugnet.announce.moc, Peer Kreuger wrote:
Wow, that’s all very well done! The space baseplate, the magnets, the detailing
on the train itself, et al! And easy expansion for a large layout. And hey... if
you use one of the contoured baseplates, you can have valleys and hills too!
A potential solution to running out of chain links would be to eliminate them
entirely, and use simple thread (lego/non-lego-- up to you) And thread it
through the magnet holder stud. Haven’t tried this myself, but there should be
enough power for the magnet to rise upward on it’s own when you place the train
above it.
BTW how did you attach the magnets to the chain links in the first place?
Legoswami
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Using thread instead of chain links is indeed a cheaper solution, and may even
give more curving options. The only problem I’d see is propulsion, thread
doesn’t have as much ’ grip’ as chain links have.
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BTW how did you attach the magnets to the chain links in the first place?
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The wide chain link fits snugly inside the technic hole of the magnet holder.
As can also be seen here , which is
incidentally also the set where I got my 4 ‘wide variety’ chain links.
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In lugnet.trains, Samarth “Legoswami” Moray wrote:
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A potential solution to running out of chain links would be to eliminate them
entirely, and use simple thread (lego/non-lego-- up to you) ...
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A second alternative to specialized chain links -- and one I haven’t tried yet
-- would be Technic link-arms and pins, threaded around large-diameter tires.
The magnet-holders can then be pinned vertically, and the curves in the “track”
aren’t so abrubt.
There might be a problem keeping this chain taut, although there are enough
wheel-diameters available for experimentation. Also, the tire-chain combo
wouldn’t move as smoothly as chain links-gears, so some extra gearing-down might
be necessary.
This is still necessarily 2D -- I’m not sure if it can be extended to 3D (a
track with hills). There might be linkages that would permit both horiz and
vertical (alternative) movement in the chain, but the extra floppiness might
cause it to fall off the wheels.
Now, how to adapt this to a moving sidewalk for minifigs... And I wonder if the
scheme would work vertically? --E.g. a loop of elevator cars moving up the side
of a skyscraper, or one of those sci-fi moving ladders (e.g. “Star Blazers”).
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