[Noisebridge-discuss] bulk DC motors?

Jonathan Foote jtfoote at ieee.org
Thu Jul 16 20:23:27 UTC 2009


Hmm. Mpja.com has a decent selection at surplus (as opposed to
McMaster's) prices. A fan motor might be just the ticket: consider
repurposing a squirrel cage blower.
If you take the gearhead off a windshield wiper motor I think those
have speeds in the ballpark, and they are cheap and available.


On Thursday, July 16, 2009, meredith scheff <satiredun at gmail.com> wrote:
> scratch that, 2-6k my boss says, though that's mainly to keep the noise down.
>
> On Thu, Jul 16, 2009 at 3:38 PM, meredith scheff <satiredun at gmail.com> wrote:
> hm..don't really need any gearing down- maybe one or two steps down, but that's it. it needs to drive such a larger wheel, to riding speed (at least 3-5 mph).
> mer
>
> On Thu, Jul 16, 2009 at 3:20 PM, Jonathan Foote <jtfoote at ieee.org> wrote:
> What kind of RPM do you need?
>
> On Thu, Jul 16, 2009 at 12:17 PM, meredith scheff<satiredun at gmail.com> wrote:
>>
>> hey all-
>> Im building 100 or so demo stands for monkeylectric.com to showcase their
>> POV lights. Im building a device that will mount on a bike (that will be
>> suspended in a bike stand), with a motor that spins the wheel to make the
>> designs visable.
>> I need a bulk supply of DC motors, with the qualities of quiet (as possible)
>> and cheap (as possible). I don't think they need *too* much torque as the
>> bike will be in the air and the only friction being the hub (am i versing
>> this right?).
>> So ya. Does anyone have any leads on this amount of motors? we found some
>> locally but theyre rather large and heavy; and others are way too loud.
>> best
>> meredith
>> --
>> doing stuff and making things
>> ---
>> "A traveler. I love his title. A traveler is to be reverenced as such. His
>> profession is the best symbol of our life. Going from - toward; it is the
>> history of every one of us. It is a great art to saunter." -Henry David
>> Thoreau
>>
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>>
>
>
> --
> doing stuff and making things
> ---
> "A traveler. I love his title. A traveler is to be reverenced as such. His profession is the best symbol of our life. Going from - toward; it is the history of every one of us. It is a great art to saunter." -Henry David Thoreau
>
>
> --
> doing stuff and making things
> ---
> "A traveler. I love his title. A traveler is to be reverenced as such. His profession is the best symbol of our life. Going from - toward; it is the history of every one of us. It is a great art to saunter." -Henry David Thoreau
>



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