Subject:
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Re: Motorized Switch using Monkey Motor
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Newsgroups:
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lugnet.trains, lugnet.robotics
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Date:
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Thu, 9 Sep 2004 17:38:53 GMT
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Viewed:
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218 times
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In lugnet.trains, Larry Pieniazek wrote:
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In lugnet.trains, Mark Riley wrote:
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In lugnet.trains, Larry Pieniazek wrote:
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In lugnet.trains, Mark Riley wrote:
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Question: does this require switch modification to de-stiffenize the
mechanism?
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No, all that is required is a standard unmodified switch. The motor has
more than enough torque to throw the switch. In fact, I recommend that
you feed a lower voltage to the motor as the motorized switch may(1) loosen
up over time if run with the full 9 volts.
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OK, thanks for the reminder! It sounds like maybe if you DCC-ise it, you
would want the control program to issue non full power commands then?
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Yep, that’s correct. With LDCC you will be able to configure the power as well
as the stroke duration (somewhere around 0.1 to 0.2 seconds). Right now, LACC
can control stroke duration, but not power, so I’ll be modifying LACC for
non-smart motor applications.
Since Lego train layouts tend to be more temporary in nature (vs. traditional
model railroading layouts), I think using smart motors (and/or DCC bricks) for
the switches is an ideal solution. It makes creating the layout more freeform
since you don’t have to consider how you’ll hide all the wires, RCXes, etc...
Mark
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