Alt-BEAM Archive
Message #01717
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1718 Wed, 24 Mar 1999 14:15:39 -0500 [alt-beam] Re: Gears and such Jonathan D Rogers James Wilson Yes you can use that 9V motor. You just need to find a way to increase
the voltage. You say no guff smart guy but how do I do that. Well I am
just working on that problem my self several solutions come to mind 1)
use a 9v trigger and two bp-373334 panasonic cells in series 2) convert
excess current into voltage. The second option seems to be the most
interesting (also the most difficult). It is possible to convert
current to voltage and vice versa but I think this would be a good
exercise for the members of the list. That's right I'm issuing forth a
challenge. Today is wed 24 march if you figure it out in less than a
week don't post your solution till next wed so others can exercise their
creativity.
James
P.S. Oh and as an incentive I'll put up 2 gear motors as a prize for
the solution. If there are more than one correct solutions one name
will be drawn at random.
Jonathan D Rogers wrote:
>
> OK, so I have a ton of little Lego Technic gears laying around, so I
> think to myself, "Self, you should find a way to use those gears in your
> robots!"
> The problem, of course, is that these great gears are made to go on
> cross-axles made by Lego.
> So, the only way to use them is:
> A. Use a Lego motor(bad idea, they're 9V)
> B. Stick a gear on your motor that will mesh nicely with the Lego
> gears(haven't found one yet)
> C. Figure out a way to retrofit a gear to the motor shaft...
> I was thinking I could use some super-high strength adhesive to bond the
> gear to the motor, but then there'd be no turning back...
> Perhaps I could drill a miniscule hole in one of the crossaxles or
> something....
> Does anyone have any suggestions on this?
> I think building with Legos is a great idea, cause they look good, are
> totally modular, cheap, and lightweight. Lego wheels are also VERY nice.
> They make REAL balloon tires!
> Is there any way I could use that 9V motor?
> Or does anyone know of some gears that have the same pitch as the Lego
> gears?
> Thanks, gang,
> Jonathan
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