balsa/foam fins

... I have been making lot of fins lately; this is a 2+1 set up that have buoyancy and is super light; permits to have a thicker fin without compromising the weight, etc. 100 %  handmade from scratch.

medium size thruster

-thruster with parabolic stringers; glass on fins made by hand and speed finish.

big boy surfboard

...to float and paddle but with a large V bottom to compensate for that big area. I made the main fin wider + more base to keep the control with all those curves.

fins

...I have been making all types of fins; here some in different stages of the process.
The Blue one is the only one finished in these photos.