Shit !

Hello there,

Happy new year !

I didn't have such a useful time on the hull these days. I have pre- thermo-formed the sandwich foam on the mold which worked out quite well. I lost the pictures I had done ... I'll make some more afterwards.

I then wanted to finish the forming or at least see if the pressure of the vacuum bag is sufficient to completely push the sandwich foam against the mold. Everything went well and pressure was just starting to build up when I heard a big crack and saw the ply-wood of the mold bend between each support section !!! (That's where the title makes sense.)

The experienced guy understands straight away that I have put the whole mold into the vacuum bag and that this way a depression is created between the structure/support frame of the mold and the actual form. Conclusion, some of the joints in plaster cracked and need repairing.

As you might have noticed, I'm not fast, but suborn ! So I immediately found a foam with the necessary mechanical characteristics (I did calculate that this time ...)  and ordered enough to fill the whole volume of the mold to reinforce the structure.

I chose 2 component Polyurethane foam 50 kg/m3, ordered 2x10kg. It's very cheap and easy to use (I'm doing that now). So some patience more is necessary to finish the filling and repair the mold.

I thick I will also use this foam as structure for the polyester mold for the other half of the hull.

Learn form your errors ! Man I'm going to be an pro !

See ya !