"Guillermo" wrote in message
...
And that's one of the dangerous things of a magneto system. They are hot
on
their own, unless shorted. So if the wiring gets loose in the key switch,
or
something else along the circuit gets disconnected, actually you may have
a
hot prop, which is very dangerous.
If when you do a magneto check you notice NO RPM drop, then either the
grounding is not correct, or the other magneto is not working at all.


That's a good thing to pay attention to. You can also check it at
idle before shut down by briefly turning the switch to "OFF" and
see if the engine starts to shut down.