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From: "Paul" <sqpilot@bellsouth.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-611240@logan.com>
Subject: Re: [FlyRotary] Re: New discovery...
Date: Tue, 18 Jan 2005 16:31:36 -0600
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----- Original Message ----- 
From: <Lehanover@aol.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Tuesday, January 18, 2005 1:49 AM
Subject: [FlyRotary] Re: New discovery...


> In a message dated 1/17/2005 10:23:29 PM Central Standard Time,
> atlasyts@bellsouth.net writes:
>
> << The starter pulls down all the
> available juice and the computer takes a break. Any comments?
> Buly >>
>
> A small backup battery like a garden tractor 530 Amp Hour is great for a 
> race
> car.
>
> You can crank from one battery and run the electronics from the backup. 
> just
> for starting. Should anything happen to the battery in the air, you 
> canswitch
> to the backup to get home.
>
> Starters can draw over 100 amps. Have the battery load tested at a big 
> parts
> store.
> With attention to voltage at different loads.
>
> And have an electronics tech put an amp probe on the starter wire to see 
> how
> much its pulling. Could need a starter, or just some oil on the bushings.
>
> The disadvantage of electronic everything is what you just saw.
>
> Lynn E. Hanover
>
>>>  Homepage:  http://www.flyrotary.com/
>>>  Archive:   http://lancaironline.net/lists/flyrotary/List.html
>
>

The statement "starters can draw over 100 amps" might just be why I have 
blown two 80 amp fuses on my SQ2000. I have two wires going from the 
positive terminal on my battery....one direct to the starter, and the other 
goes to the alternator, with the 80 amp fuse in-line on that wire.  The fuse 
isn't acutally in the wire going to the starter, but both the starter wire 
and the alternator wire go to the + terminal of the battery.  Don't know why 
the alternator fuse would be affected from starting, except that there might 
be some kind of electrical gremlin that goes down the alternator wire and 
cuts the fuse wire while I am cranking the starter.  Happens too fast for me 
to catch him.  Paul Conner
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