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1. 12:29 PM - Re: "Magnetic Anomaly" - Degauss rear seatbelt cables (hotwheels)
2. 01:29 PM - Re: Re: "Magnetic Anomaly" - Degauss rear seatbelt cables (Kelly McMullen)
Message 1
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| Subject: | Re: "Magnetic Anomaly" - Degauss rear seatbelt cables |
You replaced AN bolts with SS? Which ones? I don't think SS are rated for carrying
much, if any, structural load...
Regards,
Jay
[quote="bhoppe2"]I had the same problem with the magnetometer mounted in my RV-10
tailcone using the SteinAir bracket. A cheap magnetic compass would swing
when moved along the outside of the tailcone. At first, I presumed the AN bolts
were magnetized, but they were not. I replaced them with SS bolts just to
be safe. The rear seat shoulder harness cables were the problem. I demagnetized
them with an old Radio Shack 100w soldering gun. I replaced the soldering
tip with a 3-turn coil of 10 gauge wire and passed the cables through the hole
in that makeshift coil. It worked like a charm. No more problems with the G3X
compass.
A friend recently tried to move his wet compass to the top of the windshield in
his Cessna Skymaster, but he could not get it adjusted. We used that same soldering
gun to demagnetize the overhead structure, but only using the side of
the case of the soldering gun. It fixed his problem, too.[/quote]
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=459337#459337
Message 2
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| Subject: | Re: "Magnetic Anomaly" - Degauss rear seatbelt cables |
You can buy AN3C or AN4C bolts. I'd have to look up what the difference
in shear and tension strengths is. I suspect that for shoulder belt
anchor that is drilled through aluminum angle there isn't a big
difference, and that is almost all in shear.
On 8/8/2016 12:29 PM, hotwheels wrote:
>
> You replaced AN bolts with SS? Which ones? I don't think SS are rated for carrying
much, if any, structural load...
>
> Regards,
> Jay
>
> [quote="bhoppe2"]I had the same problem with the magnetometer mounted in my RV-10
tailcone using the SteinAir bracket. A cheap magnetic compass would swing
when moved along the outside of the tailcone. At first, I presumed the AN bolts
were magnetized, but they were not. I replaced them with SS bolts just to
be safe. The rear seat shoulder harness cables were the problem. I demagnetized
them with an old Radio Shack 100w soldering gun. I replaced the soldering
tip with a 3-turn coil of 10 gauge wire and passed the cables through the hole
in that makeshift coil. It worked like a charm. No more problems with the
G3X compass.
>
> A friend recently tried to move his wet compass to the top of the windshield
in his Cessna Skymaster, but he could not get it adjusted. We used that same
soldering gun to demagnetize the overhead structure, but only using the side of
the case of the soldering gun. It fixed his problem, too.[/quote]
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=459337#459337
>
>
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