Subject:
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Mecanical Interlocking
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Newsgroups:
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lugnet.trains
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Date:
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Fri, 28 Apr 2000 15:23:14 GMT
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Viewed:
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460 times
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Since reading some of the other peoples ideas (Thanks Dean!...I stole your
track plan :) and so on, having been in the process of rebuilding the trackage
on my layout anyway, I decided to make a signal box. The points are easy
enough...first I have to cut the tabs off them, but that is about par for the
course. Signals: Lego brick signals, not controlling power, just indicating
position/direction
Signal boxes are inevitably 'interlocked', that is to say, to throw a switch,
you first have to change the signals that pertain to the point you are
changing. In my case, I have 3 points leading off the mainline that I want to
protect, so I require 2 sets of signals (2 of the points are next to one
another, the other is further away). My mechanical interlocking will prevent
the points from being moved until the signal is changed, and prevent the signal
from being changed until the points are cleared back to the mainline. It takes
20x16 for me to manage this...and a rube goldberg arangement of belts (used as
springs), technic pins, axles and various rounded connectors and bricks. Once
I have installed it, I will take some pictures just to show how complicated one
should get it, and this is a simple interlocking...no crossjunctions or such
like.
To provide a liner drive, I am using a 1x5 technic plate attached to a axle, in
a 2L gap to drive the rodding (technic shafts, coupled with the gray
connectors)
It's been fun so far, I will take some photos when I am done...I think it is
quite a impressive piece of work.
James
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Message has 1 Reply:
 | | Re: Mecanical Interlocking
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| This sounds like just what train-heads love, especially the organised clubs struggling to grt recognition amongst the conventional railway modelling fraternity. (...) trackage (...) You could also build them so that a passing train mechanically (...) (24 years ago, 1-May-00, to lugnet.trains)
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