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, 11 Jun 2001 15:18:13 GMT
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Viewed:
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491 times
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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
Chris, just got done building you coupler design, te best alt. coupler
design I've seen - esp. for long trains. And it should be super strong for
six-wide Euro-type trains! -Harvey
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Message has 1 Reply:
 | | Re: New non-magnetic coupler design
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| (...) snip (...) snip (...) snip (...) Thanks for the kind words. The one thing I am wondering about with this design is what happens when two bufferless models are connected, and the train is pushed backwards. When the cars are pushed backwards the (...) (23 years ago, 11-Jun-01, to lugnet.trains)
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Message is in Reply To:
| | New non-magnetic coupler design
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| 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 (...) (23 years ago, 28-May-01, to lugnet.trains) !
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