Subject:
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Re: DCC and LEGO Trains
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Newsgroups:
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lugnet.trains
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Date:
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Sun, 5 Mar 2000 14:04:01 GMT
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Viewed:
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4489 times
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> > Suppose that in addition to modifying motors to install DCC receivers
> > (call them masters) we also modified motors to cut the connection
> > between the motor and the power pickups on the wheels, but LEFT the
> > motor actively connected to the power connection on the top of the motor
> > casing... (call these slaves)
>
> that won't work with the current setup, since the upper power connection is
> controlled seperatly from the speed - that way the lights don't dim when
> you slow down the train. (which is cool on it's own). Perhaps it's
> possible not to do that, and then I think your idea would work - but I
> don't know that much about the DCC, only what I could understand from Tom.
It depends, do you want lights or to run a 2nd motor slaved to the first? You
wouldn't run over the 1 A limit, since you would have (C 25 Ohms/motor, 25/2=13
ohms circuit, 9/13=less than 1 amp). You should NOT try to run 3 motors
connected to the same reciever, at least, not if it is a 1A reciever.
The only way that I can see to manage to get lights and be able to slave the
motors would involve trying to get a 2nd connection inside the motor, at the
other end. (Idea for Lego, but not so easy for the rest of us!)
James P
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Message has 1 Reply:
 | | Re: DCC and LEGO Trains
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| (...) Actually it is rather easy to do that. I've done that for my RCX Train. Unfortunately I didn't take picks of my working on the motor but I've got some pics of the completed item. (URL) image shows a second wire coming out of the motor just (...) (27 years ago, 5-Mar-00, to lugnet.trains)
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Message is in Reply To:
| | Re: DCC and LEGO Trains
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| (...) that won't work with the current setup, since the upper power connection is controlled seperatly from the speed - that way the lights don't dim when you slow down the train. (which is cool on it's own). Perhaps it's possible not to do that, (...) (27 years ago, 5-Mar-00, to lugnet.trains)
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