Re: Driving unmarked steppers

Mariss:

This sounds like a "rule of thumb" number. I think it was for a 34 frame
stepper? Do you have similar numbers for other size steppers? I'd sure like
to have this data on the shelf. :-)

Thank you.

On Thursday 14 February 2002 01:21 pm, you wrote:
>
> Figure 12W per coil. Knowing W=(I*I)/R ,then solving for current,
> I= square root (W/R). Plug in 12/0.8 and take the square root. The
> answer is 3.9A or more likely 4A per phase, 3 volts.

(typo in repost W=(I*I)*R)

Hugh Currin
Klamath Falls, OR