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Wandering Compass

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jim-bean(at)att.net
Guest

Posted: Tue Aug 15, 2006 3:35 pm Post subject: Wandering Compass

all,

I am experiencing large swings in the compass of my RV-8. It is a panel mount, 

not vertical, from Vans. There is nothing really near it that carries 

substantial current, just a G meter and the VOR indicator head. A Garmin 430 is 

about 8 inches away. I have all of my fuses/breakers on the side panels so the 

main panel has little on it with current flow. Could the rollover hoop be 

magnitized? If it is, why doesn't the compass show a constant error rather than 

swinging? Or could the (Chinese) compass just be junk?

Confused

Jim Bean

N99JA 37 hours.

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carl.froehlich(at)cox.net
Guest

Posted: Tue Aug 15, 2006 4:56 pm Post subject: Wandering Compass

I used a bulk tape eraser to degauss the roll bar and the forward canopy

frame.  This solved my compass error problem.  After degaussing the compass

error correction screws were enough to zero out all remaining error.



If you do this make sure you take out all panel electronics first, including

CDI heads and such.



Carl Froehlich

RV-8A (260 hrs)

RV-10 (tail cone)



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