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Subject: 
Train coupler designs was Re: New Elements on Factory?
Newsgroups: 
lugnet.trains, lugnet.technic
Date: 
Thu, 3 Apr 2008 23:20:48 GMT
Viewed: 
17396 times
  

In lugnet.trains, Tim David wrote:
   In lugnet.trains, Jack Hawk wrote:
   I’m usually not on Factory/Pick-a-Brick, but have been this week. In just the past couple of days, it looks like they’ve made some changes to the train elements:

Added
  • Train Buffer 2 (Design ID: 64422, Category: Transportation Means, Trains)
  • Prepack With 4 Axle (Element ID: 4492719, Category: Not Aproved New Elements)
Removed
  • individual axles
  • the old buffers
  • magnets
  • magnet holders
Is it me, or does the new buffer look like its hard-mounted and inflexible? Also, what happened to the old elements? Any chance we’ll get them back?

--Jack AFOL, St. Louis

I see what you mean about the buffers, although I assume you mean the magnet that is hard mounted. The ability to pivot to allow the correct polarity to face outwards if vital really, otherwise you end up with the Brio problem of having to have all your stock one way round. It maybe simply a crap picture tho. And why, when new moulds cost money, do they produce another version?

Tim

Well... here’s a technic coupler which has the same range of movement, almost the same dimensions and is rotationally symmetric.



I’ve cross-posted this to .technic in case the good people there can come up with something smaller and/or more elegant. I would think there could be.

Tim

   
         
   
Subject: 
Re: Train coupler designs was Re: New Elements on Factory?
Newsgroups: 
lugnet.trains, lugnet.technic
Date: 
Fri, 4 Apr 2008 12:23:37 GMT
Viewed: 
17825 times
  

In lugnet.trains, Timothy Gould wrote:

  
Well... here’s a technic coupler which has the same range of movement, almost the same dimensions and is rotationally symmetric.



I’ve cross-posted this to .technic in case the good people there can come up with something smaller and/or more elegant. I would think there could be.

Tim

I used a similar technique in the past, though I can’t find a hyperlink to the solution (which was not mine, I think Chris Masi’s). It worked rather well, though the main problem that I encountered was the frictionless pins slipping out of the 2x3 plates with holes (even when doubly stacked) due to the weight of the 8wides I tried pulling. I ended up using an technic axle and capping the ends to attach the coupler to the wheel set, which created a bulkier connection that was not as easily uncoupled.

-Jeramy

 

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