Re: A Bob M or anyone else charging ?

Posted by Wayne-MN on November 15, 2001 at 12:53:19 from (134.29.200.234):

In Reply to: A Bob M or anyone else charging ? posted by Paul Shuler on November 14, 2001 at 11:14:21:

Run a smaller pulley on the alt. I run 2" on some of my stuff, various pulleys are available at most hardware stores. Most of our tractors have a smaller crank pulley as compared to a lot of the cars these alternators came off of, not too mention a lot less engine RPM. The alt works on the principle of magnetic inductance. Meaning that if you move a wire through a magnetic field you will produce voltage. The rotor is the magnetic field and the movement, the stator is the wire. An alternator needs some decent RPM to work properly. The bottom line is a smaller pulley will make it excite (start working) at a lower engine RPM and have better output at low engine speeds.

Wayne

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