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Subject: 
Re: Scale Modelers Aren't the Only Ones . . .
Newsgroups: 
lugnet.trains
Date: 
Mon, 28 Jan 2008 14:17:58 GMT
Viewed: 
13726 times
  
In lugnet.trains, Elroy Davis wrote:
   Uncoupling is probably my biggest issue. Right now, I’m doing it by hand, which means holding a set of cars apart with one hand and working the speed control with the other. This isn’t too much of a problem down in the yard, but it’s a stretch (literally) to reach the A/D track sometimes. I’ve been wondering if it would be possible to build a knuckle or rapido-style coupler out of Lego.

I’ve also been thinking about installing some sort of electromagnet system between the rails, and making it a hump yard, maybe raising the head of the yard up a plate or two, but I’m not sure exactly how it would work. The idea also makes the purist in me cringe.
If you really want knuckle couplers for your LEGO trains, you could try these;



They’re made by Kadee (famous to all model railroad fans for their couplers). On their site, they retail at 4,95$ for a pair. By modifying the shank (cut it shorter, sand it thinner and drill a hole) it could be attached with this part;



That would make them a direct replacement for the regular train coupling with the magnet. The only down side is that some kind of centering spring might be needed to keep the coupler straight for coupling (to be determined).

A simple magnet or electro-magnet placed on the sleepers (ties) controls the uncoupling. You could even use the regular train magnet with this part;





Daniel Aubin



Message has 1 Reply:
  Re: Scale Modelers Aren't the Only Ones . . .
 
(...) Using a standard #1 knuckle coupler is an interesting idea. But instead of using the raw shank version, why not go with one that is mounted in a draft gear box? A little epoxy or MEK could probably mount the draft gear box on a hacked brick. (...) (17 years ago, 28-Jan-08, to lugnet.trains, FTX)

Message is in Reply To:
  Re: Scale Modelers Aren't the Only Ones . . .
 
(...) Uncoupling is probably my biggest issue. Right now, I'm doing it by hand, which means holding a set of cars apart with one hand and working the speed control with the other. This isn't too much of a problem down in the yard, but it's a stretch (...) (17 years ago, 27-Jan-08, to lugnet.trains, FTX)

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