Subject:
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Re: motorized points - beating a dead horse
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Newsgroups:
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lugnet.trains, lugnet.robotics
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Date:
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Fri, 1 Dec 2000 05:42:22 GMT
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Viewed:
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1411 times
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You could try my switch - http://www.users.xpoint.at/m.lachmann/default.htm
look out for Lego and Models ... I build this thing using a rubber-band so
you can let it run without the switch destroying itself. Just let the motor
run a view seconds until the point switches it's position.
Michael
sebarile-MOBL <steve.e.barile@intel.com> schrieb in im Newsbeitrag:
G4v1EK.6yF@lugnet.com...
> Hi All,
> Currently I am attempting to build an automated hump yard. The main • problem
> I'm tackling is the RCX controlled motorized points. I've spent 7 hours • over
> the last two days trying to build a motorized switch track that will run
> forever with out ripping itself off the base plates and be very • *forgiving*
> at the edges of both states, turn or straight. What I mean by forgiving is
> that the motor doesn't burn up or the gears do not get stripped off.
>
> I like really simple and elegant solutions. For instance I would like to • be
> CPU switched with no feedback, again forgiving at the edges of both states
> such that the motor can spin for 1.5 secs and not reap havoc. Hanging
> elaborate clutch systems with differentials and angle sensors would not be
> my first choice. Of course beggers can't be choosers.
>
> Yes I have tried a bunch of slip gear configurations and the 2.5N/cm • doesn't
> seem to over come the internal detent.
>
> Yes I looked at several designs on the web, I could have missed something.
>
> After at least 10 iterations I am still staring at a desktop full
> of disassembled bricks.
>
> Any ideas? Help?
> SteveB
> PNLTC
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Message has 1 Reply:
Message is in Reply To:
 | | motorized points - beating a dead horse
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| Hi All, Currently I am attempting to build an automated hump yard. The main problem I'm tackling is the RCX controlled motorized points. I've spent 7 hours over the last two days trying to build a motorized switch track that will run forever with (...) (24 years ago, 30-Nov-00, to lugnet.trains, lugnet.robotics)
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