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From: "Peter Gottlieb"
Subject: Re: (Avionics) How can this circuit produce an "inductive surge"?
X-Newsreader: Microsoft Outlook Express 6.00.2800.1106
Date: Thu, 26 Sep 2002 21:10:08 GMT
NNTP-Posting-Date: Thu, 26 Sep 2002 17:10:08 EDT
Many cars shut off all "accessory" loads during start. There are two good
reasons I can think of for this:
1) Reduces battery drain during cranking to maximize cranking speed.
2) Reduces chances of damaging spikes getting to sensitive electronics.
"Tarver Engineering" wrote in message
> "Dennis O'Connor" wrote in message
> > Yes... Common knowledge is commonly wrong... The alternator cannot run
> > during engine cranking and fry the electronics... Leaving the radios on
> > during engine start up and shut down involves no more risk of
> > than at any other time or point in flight... a
> > small battery at a critical time>
> In fact, all three electronic dash automobiles I have owned switch out
> "avionics" when starting.
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