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Old 03-24-2019, 10:09 AM
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Len Todd
 
Join Date: Jul 2012
Location: Baldwin, MI
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I have the Igyro3 built in my Mercury powerbox. The powerbox info warns against using HH for planes cause you are fighting the gyro to make a turn. I suspect it depends on the gain setting. But, …

Generally, speaking, Heading Hold was initially just used for helicopters to keep the tail from rotating. That is where you normally saw it applied. Then some 3D folks started using HH to help stabilize during high alpha maneuvers, etc. . Also, some of the new Landing Gear Controllers use HH on the nose wheel. Additionally, some LGCs use HH to adjust electric brakes to keep the jet straight when on the runway when it starts moving off previously the set course, etc.

I do not use heading hold on my control surfaces. I do have it set in the LGCs on the nose wheel and E brakes. I also have it in all my helis.