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In a message dated 8/17/2001 9:40:10 PM Pacific Daylight Time, lancair.list
writes:

<< I think most of the light wt. starters have a heavy duty solenoid that
throws the pinion into the ring gear and then makes the electrical contact
for the starter motor. This is good because you don't get the grinding of
the turning pinion on the ring gear as you did with the old Bendix drives.
You do
not need a separate solenoid IF YOUR WIRING AND STARTER SWITCH ARE OF
ADEQUATE CAPACITY. >>

This isn't the solenoid I was referring to.  Obviously you need one of those.
 What I was referring to was an electrical solenoid relay, normally one of
those intermittent duty relays mounted on the firewall or thereabouts, which
allows a low amperage wire from your starter switch to interrupt the current
in a big-ass wire coming from the output of the master relay.  When Lycoming
installs the Sky-Tec starter, they leave the electrical relay attached to the
starter motor but wire the solenoid contacts (the control current) to the
relay contacts (the switched current) so that the switching function of the
relay is bypassed.

- Rob Wolf
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