What the thread found

• A Flyer gimbal that was only two months old and had been used six times developed severe stiffness in both the yoke bearings (side-to-side tilt) and handle bearings (front-to-back tilt), making it impossible to balance the sled properly
• The affected gimbal would not hang vertically even with quick drop time and remained several degrees off vertical in multiple directions, introducing shake into the video
• Flyer gimbals should normally be very smooth and free-moving in all axes, so sticky bearings indicate a specific problem that requires professional inspection
• A spring pin in the Flyer arm can work loose if its retaining grub screw becomes unseated, causing the pin to fall apart
• The grub screw holding the spring pin has some form of adhesive applied to prevent it from loosening
• Grit or debris entering the gimbal bearings is a likely cause of stiffness in an otherwise well-maintained rig

Depends on

• The affected rig was only two months old with limited use history, so it is unclear if this is a manufacturing issue or an inherent vulnerability
• The cause of the gimbal stiffness was not definitively determined in this thread
• The problem occurred on a rig that had not been exposed to water, sand, or harsh conditions

Parts

Gimbal Bearing

Same gear or parts

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