Subject:
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Re: Scratch building a motor
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Newsgroups:
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lugnet.trains
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Date:
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Tue, 19 Feb 2008 13:49:23 GMT
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Viewed:
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17672 times
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In lugnet.trains, Jean-Marc Nimal wrote:
> In lugnet.trains, Wayne Jackson wrote:
> > I am curious to know if anyone has attempted to use the technic motors
> > and gears to build their own train motor.
>
> I did one too, to show at a BeLUG event last november, but never got around
> to do decent pictures or post them here. The train isn't as nice as
> Swoofty's, but the principle for driving the wheels appears to be the same:
>
> <<http://www.meltingbricks.net/pictures/galleries/power_function_7740/slides/IMG_3597.JPG>>
>
> Which is pretty straightforward. Doing a nice train around it is, to me, more
> difficult, so I just redid it the 7740 way, which is my idea of a train.
>
> What I did to get it funnier was stuff two medium PF motors in there, and
> couple them with a differential so that I could get 4 different speeds in
> both directions - as the current PF remote doesn't do PWM. (And I didn't know
> the receiver could at the time)
>
> Well, more pictures there if you're interested; maybe I'll do more about it
> someday (it seems that moving requires a tremendous amount of non-LEGO time):
>
> <http://www.meltingbricks.net/pictures/galleries/power_function_7740/>
anyone care to chime in on how this setup does with pulling power?
ondrew
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Message has 1 Reply:
 | | Re: Scratch building a motor
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| (...) Well, bear in mind I'm no train expert myself - and that this setup was thrown together a bit hastily; in particular, one gear train was too loose and would do an horrible noise when tortured. That said, I used it to pull a few of Ludo Soete's (...) (17 years ago, 19-Feb-08, to lugnet.trains, FTX)
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Message is in Reply To:
| | Re: Scratch building a motor
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| (...) I did one too, to show at a BeLUG event last november, but never got around to do decent pictures or post them here. The train isn't as nice as Swoofty's, but the principle for driving the wheels appears to be the same: (URL) Which is pretty (...) (17 years ago, 19-Feb-08, to lugnet.trains, FTX)
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