Subject:
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Re: motorized points - finally got it!
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Newsgroups:
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lugnet.trains, lugnet.robotics
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Date:
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Mon, 4 Dec 2000 07:23:52 GMT
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Viewed:
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42 times
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Yippy I finally got it!
I have created a motorized switch track that ran 100 switches via RCX
without tearing the housing apart or missing firing! After 100 I got tired
of counting and I just stopped it, so it might go for several hundred. It
sits flush with the bottom of the points so no plate(s) are needed below the
track. The yellow throw arm was removed so the link is direct to the dark
gray slider. It is very small and uses a small 8 toothed gear directly
against a rack. The motor is the new motor with built in gear reduction. The
motor is mounted such that the axel point straight down and the rack is on
the side of a technic beam. The housing is pinned in two dimensions so
things are held together very well.
I programmed it with the stock RCX software. There is no feedback sensor
used. The program is simple:
power = 8
on for .1 sec
power = 4
on for .1 sec
I ran this in a loop with a "2 sec wait" and "motor reverse" statements.
I'll post pics add building instructions in the next couple days.
SteveB
PNLTC
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Message has 2 Replies: ![](/news/x.gif) | | Re: motorized points - finally got it!
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| Very cool, Steve - glad you got it to work, and I'm looking forward to the pics. I've never tried rotating the motor vertically - doh! That allows the motor torque to be shifted to a different plane than the switch throw, so you won't have to use (...) (24 years ago, 4-Dec-00, to lugnet.trains, lugnet.robotics)
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Message is in Reply To:
![](/news/x.gif) | | 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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22 Messages in This Thread: ![motorized points - beating a dead horse -Steven Barile (30-Nov-00 to lugnet.trains, lugnet.robotics)](/news/x.gif) ![](/news/246.gif) ![Re: motorized points - beating a dead horse -Carlo Ottolina (1-Dec-00 to lugnet.trains)](/news/x.gif) ![](/news/246.gif) ![Re: motorized points - beating a dead horse -Steven Barile (1-Dec-00 to lugnet.trains)](/news/x.gif) ![](/news/246.gif) ![Re: motorized points - beating a dead horse -Mario Ferrari (1-Dec-00 to lugnet.trains)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: motorized points - beating a dead horse -Carlo Ottolina (1-Dec-00 to lugnet.trains)](/news/x.gif) ![](/news/46.gif) ![Re: motorized points - beating a dead horse -Steven Barile (1-Dec-00 to lugnet.trains)](/news/x.gif) ![](/news/46.gif) ![Re: motorized points - beating a dead horse -Carlo Ottolina (2-Dec-00 to lugnet.trains)](/news/x.gif) ![](/news/46.gif) ![Re: motorized points - beating a dead horse -John R. Clark (3-Dec-00 to lugnet.trains)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: motorized points - beating a dead horse -Steven Barile (3-Dec-00 to lugnet.trains)](/news/x.gif) ![](/news/46.gif) ![Re: motorized points - beating a dead horse -Carlo Ottolina (3-Dec-00 to lugnet.trains)](/news/x.gif)
![](/news/x.gif) ![](/news/268.gif) ![Re: motorized points - beating a dead horse -Kevin Maynes (1-Dec-00 to lugnet.trains, lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/268.gif) ![Re: motorized points - beating a dead horse -Jason S. Mantor (1-Dec-00 to lugnet.trains, lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/268.gif) ![Re: motorized points - beating a dead horse -Michael Lachmann (1-Dec-00 to lugnet.trains, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: motorized points - beating a dead horse -Steven Barile (1-Dec-00 to lugnet.trains, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: motorized points - beating a dead horse -Steven Barile (3-Dec-00 to lugnet.trains, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: motorized points - beating a dead horse -John Matthews (3-Dec-00 to lugnet.trains, lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/268.gif) ![Re: motorized points - beating a dead horse -Juergen Stuber (2-Dec-00 to lugnet.trains, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: motorized points - beating a dead horse -Steven Barile (3-Dec-00 to lugnet.trains, lugnet.robotics)](/news/x.gif) ![](/news/46.gif) ![Re: motorized points - beating a dead horse -Dean Husby (3-Dec-00 to lugnet.trains, lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/68.gif) ![You are here](/news/here.gif) ![](/news/246.gif) ![Re: motorized points - finally got it! -Ed McGlynn (4-Dec-00 to lugnet.trains, lugnet.robotics)](/news/x.gif)
![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: motorized points - finally got it! -Steven Barile (4-Dec-00 to lugnet.trains, lugnet.robotics)](/news/x.gif)
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