Subject:
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4.5V/9V silliness
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Newsgroups:
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lugnet.trains
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Date:
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Wed, 12 Mar 2003 16:09:34 GMT
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Viewed:
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570 times
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This isn't particularly new, but you might like to try it.
Anyone who knows about motors will know that you can connect two
together and make a generator from the second one. What's more,
you can run a 4.5V technic motor into a 9V technic motor (via
a universal joint, or gears, etc), and have something in the
way of a voltage converter. Finally, connect the 9V technic
motor to a 9V train motor and you're now running a train motor
off a 4.5V battery box.
Yes, it's very silly, and you lose a fair bit of voltage to
friction and resistance, but it does work :-) I measure
8V with no load, 5V with a train motor free running, dropping
to 2.5 under a load.
You could imagine similar silliness with 12V vs 9V motors,
or running in reverse powering 4.5V motors from the train
track.
Peter
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Message has 1 Reply:
 | | Re: 4.5V/9V silliness
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| I haven't found the train motors to be particularly good generators, but if you have two locos on an unpowered track you can give one loco a good push and the other will lurch forward... and if there's a light on the loco it will illuminate briefly. (...) (22 years ago, 12-Mar-03, to lugnet.trains)
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