On Mon, 28 Nov 2011, Peter Blodow wrote:
> Date: Mon, 28 Nov 2011 18:15:17 +0100
> From: Peter Blodow <[email protected]>
> Reply-To: "Enhanced Machine Controller (EMC)"
> <[email protected]>
> To: "Enhanced Machine Controller (EMC)" <[email protected]>
> Subject: Re: [Emc-users] Interesting motor
>
> I happen to have a disk motor here in my workshop museum that apparently
> uses the same principle, about 12 cm diam., very flat. It runs without
> electronics, so I supposed it had brushes inside. The rotor must be also
> etched from a disk of sheet copper, simply plane, rotating between two
> rings of magnets, with very little inertia. I haven't found an
> application for it yet, though. The housing is riveted and I hate to
> open it just for curiosity -:)
>
> Peter
PMI (Printed Motors Incorporated) made (makes?) flat ironless rotor
brushed motors for a long time, often used in low inertia applications
Peter Wallace
Mesa Electronics
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