Rivets for Head sail furling foil


VLADIMIR SONSEV
 

I would like to use 1/4 " dia 8 stainless rivets. ( I couldn't find 7 mm dia rivets.)
I am concerned about breaking the part that foil is inserted to. It is aluminum casting 10 mm wall. The upper holes are close to the edge. Did anyone see it broken during rivet installation or due to wind load.

That is very critical connection. If it fails during a storm, the sail can get opend and there are noway to furl it back.
Please give me recommendations and provide your oppinion.

Vladimir
S/V "Life is Good"
SM 345

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