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Wood Spar Butt Ribs

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montanafos

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Have been talking with a couple suppliers and have done several searches here and via Google related to butt ribs for my wood spar J3 that are wide enough to install rivnuts. Univair seems to be the go to supplier, but they don't supply them for wood spars per conversation with them a moment ago. Just spoke with Dakota Cub at the recommendation of Univair and the Dakota Cub ribs won't work with rivnuts. Anyone have success elsewhere? Will end up ordering leading edge's (and more) from the same supplier if possible purely to save a few bucks on shipping. Option 3 is to just go back to screws. Cub made it 78 years with them.

Appreciate any information.
 
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