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11122  |  11124
Subject: 
Re: Making train switch control unit modularized
Newsgroups: 
lugnet.org.ca.rtltoronto
Date: 
Mon, 22 Mar 2004 23:19:43 GMT
Viewed: 
1773 times
  
In lugnet.org.ca.rtltoronto, David Koudys wrote:
> Since adding motorized switch units to my LEGO track Wyes, I needed to come up
> with a good control unit.  My first was 4 switches built into one box.
> 
> Then I thought, "Hey!  What if I wanted to expand?  Add more switches??"
> 
> Inspired by rtlToronto robot building competitions, I looked into building
> modular control switches.  In this way, I could add on more switches as needed
> (and as I acquire polarity switches--I'm all out!)
> 
> So with much further ado, see the "Dave's modular motorized Wye Controlling
> Switches Version 1.0" here
> 
> http://sparky.i989.net/lvtrain.htm
> 
> On this page are also steps for building the actual motorized wye switch unit as
> well.
> 
> Anyway, as per usual, questions, comments or anything else you feel like sending
> in my general direction is quite okay.

Dave - the switch is a neat construction, but I couldn't figure out how the
motor activates the switch.  Could you explain?

There is a more compact way of using the polarity switches though.  If you poke
the tip of a classic space 4-long antenna into the axle hole, you can operate it
without it latching.  You then stretch a rubber band along your line of
switches, passing just in front and behind of the antennae, and they'll all
auto-centre.

Jason Railton



Message has 1 Reply:
  Re: Making train switch control unit modularized
 
(...) The bottom of the #5 angle connector goes over the outer bracket on the switch. As like many other motorized switches, the pulleys rotate, moving the #4 axle back and forth, which moves the #5 angle connector back and forth, which moves the (...) (23 years ago, 23-Mar-04, to lugnet.org.ca.rtltoronto)

Message is in Reply To:
  Making train switch control unit modularized
 
Since adding motorized switch units to my LEGO track Wyes, I needed to come up with a good control unit. My first was 4 switches built into one box. Then I thought, "Hey! What if I wanted to expand? Add more switches??" Inspired by rtlToronto robot (...) (23 years ago, 21-Mar-04, to lugnet.org.ca.rtltoronto, lugnet.trains)

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