JMLBlues@aol.com wrote:

The automotive alternators that I am familiar with produce close to full
output at speeds as low as 2500 rpm or so. I don't think that the low speed
of the drive would be a problem, but the torque capability certainly might
be. The drive is very small and not designed to drive any appreciable load.
If you have a distributor system and the drive breaks, no more ignition.

I guess that 2500 RPM number is correct.
I wonder why they run them so fast. I guess I am used to the old days.
Now-a-days cars rarely cruise over 2000 RPM.

Paul Lamar
 
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