Mailing List flyrotary@lancaironline.net Message #25583
From: Dale Rogers <dale.r@cox.net>
Subject: [FlyRotary] Re: Leaking fuel hose
Date: Wed, 3 Aug 2005 14:03:26 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
   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.


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