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From: Dale Rogers <dale.r@cox.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: Leaking fuel hose
Date: Wed, 3 Aug 2005 14:03:26 -0400
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>>    What is a "weak" ground?
>
> We tested it with some electronic gizmo, but I forget the numbers and what
> they meant. I cleaned it up and the numbers got better.
> 
>>    Gotta wonder why that particular spot got hot, though.
>
> I'm guessing that that spot was touching the engine block and formed a
> better path.

FWIW dept.: I used to do a lot of wiring of racers, trailers,  
and ORV's .  I like to see the return cable to be at least as 
big as the cable(s) feeding into a compartment.  Translate 
that 
to mean: if I have a 4g wire feeding the starter circuit, I want 
to see a 4g wire going from the block back to the battery.  If 
other items ground through the engine - as opposed to having 
their own return paths - (e.g. the alternator) then I install 
a 2g engine ground.

Dale R.