On Mon, 15 Jun 2009 17:38:06 -0400, Wes wrote:

wrote:

On Thu, 11 Jun 2009 23:48:49 -0400, Wes wrote:

Ned Simmons wrote:

Motors that are marketed as servos also usually have lower inertia

Forgot to add, that is why they tend to be long and slender.

Wes

Definitely not true of a "printed circuit" servo motor. The armature
is about 1/8 inch long (thick)and 4-8 inches in diameter and runs
BETWEEN the pemanent magnets.


That sounds interesting, what are they used in?

Wes
Got mine out of a scrap welding robot. Some are also used in
automotive apps - fan motors and power window winders apparently