The sides of the boat are made of marine ply. Three sheets of 4×8 joined together (4 inch scarfs). Glued and glassed, then glued onto the frames.
Uncle Tim got the heat exchanger back from the radiator guys; it looks amazing. He’s also begun painting the engine block.
This is looking down the bottom corner, starboard side, keep in mind it is being build upside down at this stage. Looking at it from this angle, you can see how the frames are constructed to “develop the shape” of