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HomeHomeDiscussionsDiscussionsiFly General Di...iFly General Di...Installation effecting magnetic compassInstallation effecting magnetic compass
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10/21/2012 8:58 AM
 
Lou V
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Joined: 2/17/2012
Posts: 6

When I experimented with the suction-cup mount to find the best placement in my Cessna 150, I discovered the no matter where I placed the iFly 700, (even in my lap), I was getting a 30 degree deflection on my magnetic compass when I powered up the iFly. As I know that other moving map GPS units are panel mounted right below the compass, I am wondering why my unit causes this behavior and what I should do about. First though of some shielding will likely effect satellite reception. Please help with some i nstallation suggestions / instructions.
 
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10/21/2012 10:09 AM
 
Jim Brown
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Joined: 11/16/2010
Posts: 268
Are you using the external antenna? It has a strong magnet in its base and can affect a compass quite dramatically.
Jim
 
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10/21/2012 4:56 PM
 
Lou V
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Joined: 2/17/2012
Posts: 6

Thanks much for your reply, Jim. No, I'm not using an external antenna. It is just theiFly 700 power that is causing the problem. I take it that yours does not do this.
 
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10/22/2012 12:42 PM
 
Shane
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Joined: 4/21/2010
Posts: 1709

Does the compass variation happen when the unit is on or off, or both. By off, I mean unplugged.

Shane Woodson
Vice President | Adventure Pilot LLC.
 
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10/23/2012 11:58 AM
 
Tim Myers
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Joined: 12/8/2011
Posts: 286

I have never had an issue with my iFly 720 and the compass. I have however set my ipad on the glare shield and the compass swung about 90 degrees.

So far no issues with the ifly. The only magnet I can think of would be the speaker.
 
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