Subject:
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Re: New non-magnetic coupler design
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Newsgroups:
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lugnet.trains
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Date:
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Mon, 28 May 2001 15:12:13 GMT
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Viewed:
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486 times
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In lugnet.trains, Harvey Henkelman writes:
> In lugnet.trains, Christopher Masi writes:
> > Hey all,
> >
> > I finally had the chance to run my trains this weekend. If you don't know, I
> > have been building my trains 8-wide, and the size and weight of my cars was
> > causing a problem.
> > The surging that the long cars cause as they go through the corners is so
> > extreme that at power settings of 5 and 6 (on the LEGO speed regulator) the
> > magnetic couplers kept uncoupling. Inserting a motor near the end of the train
> > actually made the problem worse.
> > I needed couplers that would not uncouple. My first attempt was strong, but it
> > had some problems. I think my second attempt solves the problem fairly well. I
> > use a small Technic bushing, a #2 Technic axle, a steering connector (part
> > name?), and a 1x4 rounded technic plate with hole at each end. The connector
> > fits onto the standard buffer or a 2x2-with-center-hole plate. The good things
> > about this coupler design are (1) it is strong, (2) it is relatively easy to
> > couple and uncouple cars (no snapping of bricks onto pegs, just a slip over the
> > top of an axle), and (3) because the couplers are the same at both ends of the
> > car there is no correct end issue.
> > Oh, another thing that I noticed about these couplers is that, since they have
> > some give, putting a motor at the end of the train doesn't eliminate the
> > surging, but it eliminates the annoying surging noise that comes from the motors
> > at the front of the train.
> > Well, here are some MLCAD screen shots. If you want the files let me know.
> > I'll probable post the .dat files sometime in the not too distant future.
> >
> > http://cmasi.chem.tulane.edu/~lego/NOLTC/tech/new_truck/new_truck.htm
> >
> > By the way, I think that running my trains at high speed causes the track to
> > separate. Do you think that this is strain caused by misaligned track, or is it
> > just part of the hazard of running big trains as fast as you can? I should
> > mention that my track is not snapped down, it is laid out in the living room on
> > the carpet.
> >
> > Chris
> This is the best alternative coupling design I've seen yet. I'll try this
> one myself.-Harvey
WOW, thats great, i may have to try.
Josh
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