Subject:
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Re: Another Motorized Switch Design :-)
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Newsgroups:
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lugnet.trains
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Date:
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Tue, 16 Dec 2003 04:35:42 GMT
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Viewed:
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1250 times
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In lugnet.trains, Mark Riley wrote:
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In lugnet.trains, Ross Crawford wrote:
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You could probably reduce the “problem cars” issue with an axle connector
and extension (move the motor further away from the switch lever) and reduce
the size of the housing a bit.
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Great observation! That allows the 4x8 house to perfectly straddle the joint
between the switch and the next piece of track. If the 4x6 switch version
doesn’t work out, I’ll put together some instructions with your suggestion.
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Ok, Dave is right, this is fun!
So, I added the axle joiner and this is what it looks like now:
Moving the housing back allowed the signal arm to be simplified. Since the
housing was moved back, there’s now more clearance (about 1/2 stud laterally).
I also beefed up the base attachment to help deal with uneven surfaces like
carpet.
Only the 4x6 unit has shown a tendency to self-destruct. The previous 4x8
design has been holding together just fine, but this new design should be even
more stable and it’s been able to take everything I’ve dished out. :-)
The modifications to the 4x6 design (which I’m not sure even work) actually made
it enough larger that I don’t know that it’s worth pursuing if it can’t be held
down to the original 4x6 size (hey, maybe Elmer’s will help...).
Anyway, here’s the LDraw file:
http://www.brickshelf.com/gallery/markril/Trains/TSwitch3/tswitch3.ldr
Folder when moderated:
http://www.brickshelf.com/cgi-bin/gallery.cgi?f=66120
Thanks for the suggestion, Ross!
Mark
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Message has 1 Reply:
Message is in Reply To:
 | | Re: Another Motorized Switch Design :-)
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| (...) Yes, it does. I've been using it with this (URL) battery box> and all I need to do is tap on one of the buttons to get it to switch. I've also been running it with LACC with the throw time set to 0.1 second and this works great. Haven't tried (...) (20 years ago, 15-Dec-03, to lugnet.trains, FTX)
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