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Subject: Re: (Avionics) How can this circuit produce an "inductive surge"?
Date: Thu, 26 Sep 2002 22:31:30 +0100
Organization: (Posted via) GTS Netcom.
NNTP-Posting-Date: Thu, 26 Sep 2002 21:25:09 +0000 (UTC)
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"Peter Gottlieb" wrote:
>2) Reduces chances of damaging spikes getting to sensitive electronics.
What would happen if I start the engine by allowing the vehicle to run
downhill, when the ignition switch is on all the time? The engine is
started while all the appliances are connected. Lots of people do this
and one never hears of things getting damaged.
What would happen if I stop the engine by stalling it (while in gear)
with the ignition switch on? Lots of people do this, again no reports
I think the real reason why the ignition switch disconnects the
appliances is that it reduces the battery loading - especially true
with fans, headlamps etc.
Can anyone can offer a proper reasoned electrical explanation of this
often claimed phenomenon?
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