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In lugnet.technic, Larry Pieniazek writes:
> In lugnet.technic, Steven Lane writes:
> > I find batteries a pain, especially as there output isn't constant over
> > their lifetime, therefore I'd love to be able to power my motors from the
> > mains. I'd like to know what methods their are are doing this. I'd prefer a
> > purist option but I do know which end is the dangrous one on a soldering
> > iron. It also has to work in the UK, home of the three pin plug.
>
> Purist approach is to use a 9V train speed reg and LEGO(r) wires from the
> speed reg to your motor(s), possibly through the polarity reverser switch to
> give control. The speed reg is powered from a wall wart trafo so if you buy
> a UK train set or UK used speed reg (should not be too hard to come by) or
> even pay LD's high price for a new one, you should be all set. The UK wall
> wart will have the appropriate 3 pins for your funky mains points and will
> be 220v compatible.
>
> The wall wart from a speed reg can also power an RCX that has the power
> connector (1.0 but not 1.5. I do not know if they put it back for 2.0 or
> not) if you want to go that way...
>
> Hope that helps.
Thanks Larry and JB (via e-mail)
I'll be following your advice. I'd always assumed the track power connection
was hard-wired but this pic shows where a standard connecter attaches.
http://guide.lugnet.com/set/?q=4548_1&v=z
And the speed regulator facility might come in handy too.
Steve
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Message is in Reply To:
 | | Re: Powering motors from the mains
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| (...) Purist approach is to use a 9V train speed reg and LEGO(r) wires from the speed reg to your motor(s), possibly through the polarity reverser switch to give control. The speed reg is powered from a wall wart trafo so if you buy a UK train set (...) (24 years ago, 17-May-02, to lugnet.technic, lugnet.robotics)
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