Mini Honest John Build Part 8 Fin Shaping 2

While the pictures show one side of the fins being sanded, here's what the leading edge would look like. As mentioned before, I don't sand to a knife edge but leave the top a little square for strength.





After the sharp tapers of the leading and tailing edges are established, then flatten the upper and lower face surfaces leaving the pencil line or high point in the middle.

Start flattening out the top and bottom surfaces of the fin. You'll be removing the pencil line areas shown in the last blog entry picture.

As the upper flat surface is sanded, you'll take off the outside end of the (high point) pencil line.
There is no way to avoid this and it will make the outside edge a little thinner than the root edge, just like the real HoJo fins.

The pencil tick mark at the left shows where the sanded taper took off the pencil line.
When you sand the lower face flat, the high point line will again follow the pencil line to the outside edge.