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HomeAircraftHelicopterHelicopter Main Discussion › Compass calibration 350QX
10-23-2014 07:18 PM  4 years agoPost 1


Port St. Lucie

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When performing the compass calibration procedure on a 350qx should you use true or magnetic north? I was told to use true north. The only reason that I question that answer is because on page 16 in the Blade 350qx manuel, under Compass Calibration it states in part, "The Flight Controller on the 350 QX has automatic magnetic declination calibration, so yo will not have to worry about looking up the the magnetic declination at your location and changing setting on your 350 QX to get accurate compass measurements." To me, that bit of information provide by Blade mean that they are using magnetic north to calibration the compass. I want to be so right about this because recently had a flyaway and after searching for 2 days and giving up any hope of every finding it, I get a call from a nice lady who found my quad in her back yard. Now however I'm a little shy to fly the thing, so does anybody have any thought on "true" vs "magnetic" north question?

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10-24-2014 02:31 PM  4 years agoPost 2


Saco, ME

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I think perhaps you will have to devise a test to resolve this. Simply go to Dick's Sporting Goods and buy a lensatic compass for about $7. Fly your bird toward an object such as a flagpole or tower and compare the heading readings between the quad and the compass bearing using the site on the compass.

On my Trex with GPS telemetry I get the actual Lat and Lon of the bird and can go to that location with any GPS or Google Earth App.

"Sweet dreams and flying machines in pieces on the ground." J. Taylor

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