Subject:
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Re: Motorizing 9V switch points (translation from french)
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Newsgroups:
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lugnet.trains
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Date:
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Wed, 10 Dec 2003 20:53:04 GMT
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Viewed:
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2398 times
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In lugnet.trains, Jason J. Railton wrote:
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In lugnet.trains, Philippe Label wrote:
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Here is a small review about the motorization of 9V switch points prepared
originally in French for friends from Freelug. With the help of Didier
Enjary for translation, Gaël Frazier for a final proofreading and
Jean-Louis Bergamo (webmaster of Freelug) for publication. Thank you
guys :-)
http://www.freelug.org/article.php3?id_article=186 • ...
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That’s very interesting reading. Thanks.
But I’ve never had to modify points to use my controller design. It does
take some time to find elastic bands with the right amount of tension, but it
can deliver just enough power to switch an unmodified point, and still slip
if it is left on too long.
I prefer a directional control with this over-run protection, rather than an
oscillating type with a semaphore.
Jason Railton
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Hi Jason,
Thank you for this additionnal information. Actually, I tested your system on a
new switch point and I did not think of testing several variations of elastic
bands to find the right one. Sorry for misleading readers about your system. I
do prefer too a directional control, rather than an oscillating one.
Philippe.
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Message has 1 Reply:
 | | Re: Motorizing 9V switch points (translation from french)
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| (...) The great advantage of directional control is that you don't need to look at (or sense, with Mindstorms) the position of the point. You can apply power for two seconds and just leave it to operate. I realise it can be a difficult balancing act (...) (20 years ago, 11-Dec-03, to lugnet.trains, FTX)
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Message is in Reply To:
| | Re: Motorizing 9V switch points (translation from french)
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| (...) That's very interesting reading. Thanks. But I've never had to modify points to use my controller design. It does take some time to find elastic bands with the right amount of tension, but it can deliver just enough power to switch an (...) (20 years ago, 10-Dec-03, to lugnet.trains, FTX)
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