Control rod interference.


This was discovered on the initial airworthiness inspection on a Kitfox. No pitch control stops were installed, allowing the full-forward movement of the stick to cause jamming of the pitch-control torque tube. It also caused the jam nut to turn in a direction that would loosen it. Remember to check all controls for the manufacturer’s recommended minimum and maximum deflection, as well as to check for proper clearances at all connecting points.

—Vic Syracuse

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