John_F wrote:
Cold weather, a hard to start engine and a old tired 60 amp alternator
breaker that was later found to trip at 35 amps cost me a new voltage
regulator, a new alternator, a new breaker, and a new over voltage
lamp when the breaker popped one cold night just after take off. The
OV light did not last long when fed 90 volts and was like a red flash
bulb. (What was that flash??) By the time I went around the pattern
to land the regulator and alternator field was also fried. On a


My deepest sympathies.

How did you determine that you *fried* the alternator field? How exactly did it
fail (open, shorted ???) Any failures on the stator side (diodes ???)

EGM