Making a shallow water fin for my big sails because you cant buy one.
Modelling between a Drake shallow water fin and a Black Project FreeDelta RE fin.
Not for weed.

Start with a sheet G11 ( one more than G10 ??? ) 250mm x 350mm x 12mm thick. ( 2kg ) !!!


Build up thickness for powerbox ( 16mm )







Tight as a fishes ass !




Shaping the foil.


Done !
Will it work ? , id give it a fifty fifty .
Final size , 30cm high , 19cm wide.
1.1kg
Will test this arvo.