"Mach1" wrote:

Build a good cage around the alternator. At 10,000 rpm there could be
pieces going into earth orbit.


The ratio of the crank pulley to alternator pulley on cars is ~2:1. Almost all IC auto
engines can hit 5000 rpm before rev limiting takes place.

Just out of curiosity, has anyone ever had an alternator blow up from rpm?

Wes