Subject:
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Re: Excelsior Trolley
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Newsgroups:
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lugnet.trains
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Date:
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Sat, 15 Apr 2006 11:46:05 GMT
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Viewed:
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3184 times
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I’ve done something similar, “pin-pong” or shuttle, using a model railroad
circuit. This uses LDR’s to detect the train, ambient light works but people
leaning over the sensor can cause problems. This has been successfully used at a
couple of UK shows.
I used a shuttle and loop control from http://www.allcomponents.co.uk/ I’m sure
there are US equivelants.
It’s a non-Lego solution but cheaper than using Mindstorms.
I’ve also, a long time ago, built a mechanical shuttle using polarity switches.
Not very elegant....
Mark
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Message is in Reply To:
 | | Re: Excelsior Trolley
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| (...) My ping-pong line (for my (URL) W tram>, sorry no pics yet) has a dual line with matching points at each end set to normal (straight). As the tram nears the end of the run, the S curve of the point slows it down without me needing to program a (...) (18 years ago, 14-Apr-06, to lugnet.trains, FTX)
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