Hinged Ribs

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Three ribs on each wing are reinforced for the aileron hinges. Two areas of the rib are filled with 1/4″ plywood RS-672. I removed the cams on the jig in those areas so I could assemble the ribs with plywood.

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Wing rib with hinge reinforcements

I cut six of each plywood piece.

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Rib plywood reinforcement
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Rib plywood reinforcement

Rib number five on each wing needs these plywood pieces and gussets added to both sides like the other ribs. I built both of those and now only have four ribs remaining.

The last four ribs are the root and tip ribs, each one is unique and requires some additional components.

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