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In lugnet.lego, Brian Davis wrote:
> Two other options exist...
Oh, for shame, Brian. Letting me think up an option that you passed right over
(and a really cool one at that). With the legacy converter cables, you could
power the _track_ with an NXT. Hook the track up as if it was a motor, using
the standard leads connected to the legacy cable, run the NXT off the Li-Poly
pack with an AC adapter hooked up, and then you can sit anywhere in the layout
with a remote unit that'll let you start and stop the trains at whim. Now, if
you can get _one_ NXT to slave multiple NXTs, you could run as many as three
loops off a single remote, using the three motor leads to give you three
different throttles. Now, granted, you might not be able to run large loops
without slaving multiple NXTs to a single throttle and spacing them around the
track to provide boosted power, but I don't have the necessary parts or
experience to tinker around with this idea to see what really is possible beyond
spending ~$600 to produce the equivalent of an IR train without the
line-of-sight restriction.
But being able to incorporate some portion of this concept into the next
generation of trains would go a long ways towards getting the trainheads to
support the changeover, if grudgingly.
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Message has 2 Replies:
 | | Re: The Future of Trains
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| (...) As Ross mentioned, I was focused more on the "future" of trains, and if it's going to be done in LEGO, it looks like it will be done without conductive track. (...) Absolutely, but you could do better. Run a single loop off a single output, (...) (17 years ago, 6-Oct-07, to lugnet.lego, lugnet.robotics.nxt)
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Message is in Reply To:
| | Re: The Future of Trains
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| (...) Not exactly, that I know of, *yet*... The biggest problem in running a train would be hiding the NXT - I saw only one good solution to hiding the RCX in a boxcar, and the NXT is bigger, as are the motors. You could use an old motor (or even a (...) (17 years ago, 6-Oct-07, to lugnet.lego, lugnet.robotics.nxt)
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Active threads in NXT programmable brick
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