Subject:
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Re: Self-Centering extended coupler
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Newsgroups:
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lugnet.trains
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Date:
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Fri, 27 Oct 2000 18:10:17 GMT
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Reply-To:
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cmasi@AVOIDSPAMcmasi.chem.tulane.edu
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Viewed:
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1035 times
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James Mathis wrote:
>
> In lugnet.trains, Steven Barile writes:
> > I have a real simple solution. For reversing I just limited the rotation.
> > http://www.brickshelf.com/cgi-bin/gallery.cgi?f=772
> > SteveB
>
> Wow, that is simple, Steve. Simplicity has its elegance.
>
> later,
> James Mathis
>
> > In lugnet.trains, James Mathis writes:
> > > In lugnet.trains, Thomas Cook writes:
> > > > I've been thinking of this for awhile, and I have a possible solution. I • have
> > > made the coupler
> > > > swing left and right as the truck swings. This keeps the coupler in • position
> > > whether pulling or
> > > > pushing and whether on straight track or curves. I used Technic chain and • gears. Some pics can be
> > > > found at:
> > > > http://ourworld.compuserve.com/homepages/cook_thomas/Trains/HighCube/highcub • e.
> > > htm
> > >
> > > I have downloaded a video clip that shows this in action. I was very
> > > impressed. I liked the gearing available to select the rotation rate/throw.
> > >
> > > > "Christopher Masi" <cmasi@cmasi.chem.tulane.edu> wrote in message
> > > > news:398F8A24.77534C4F@cmasi.chem.tulane.edu...
> > > > > This came up a couple of days ago, but I finally came up with a design
> > > > > for a coupler that (1) is not connected to the trucks, (2) pivots to
> > > > > allow the cars to negotiate the curves, (3) centers itself when the car
> > > > > is being pushed, and (4) pivots to negotiate curves while the car is
> > > > > being pushed backwards. The coupler could use some improvements, but the
> > > > > basic design idea works.
> > > > >
> > > > > I posted some pictures on my site
> > > > >
> > > > >
> > > http://cmasi.chem.tulane.edu/~lego/trains/extended_coupler/extended_coupler.h • tm
> > > > >
> > > > > Chris
> > >
> > > I like this one, too, because it looks like it could be hidden under a flat • bed
> > > car.
> > >
> > > later,
> > > James Mathis
Your coupler design was the design that started this thread. I was wondering if
there was a way to keep the coupler straight when going backwards. That is all.
Each solution has its advantages, and I like all three!
Chris
P.S. Your stairs, the black hinge pieces attached to the 2x2-2x2 90° brick, are
what inspired the stairs on my 8-wide SD40-2. Mine are a bit too big though.
--
PGP public key available upon request.
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Message has 1 Reply:
 | | Tracking LEGO inventions (was Self-Centering coupler)
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| With all the wonderful inovations and inventions that happen here I didn't realize or remember the order in which these things happen. Thanks for the recognition and the iteration. Along these lines I was thinking about an area on the web (a.k.a a (...) (24 years ago, 27-Oct-00, to lugnet.trains)
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