Futures Fins not fitting in fin box post glassing/hotcoat

[stoneburner]

This is an old method McDing used. Don’t know if your boxes are suitable.

Pack it with flour

Just pack the inside of the box or screw hole(foot strap inserts) with regular old household flour.  Pour it in and pack it down flush.  In a box you can  use a business card to level it off and take away the excess.  When you cap your insert or lay up your Carbon Fiber the flour will soak up the excess resin.  Once the lam has set just drill thru the hole with a next size smaller bit.   On a box just use a Stanley knive to cut out the glass. Then grind lightly around the inside edge of the box …