Hi Chassan.......... thanks for the help fella,
So far I have cut a formica bottom shape (the formica is very flexible), then on a 3 stage rocker table Ive laminated to it four layers of 5 mm high density (surfboard type) polyurethane foam with 4 oz glass weave between each layer of foam using approx 150-200 g of West Epoxy resin per layer. Final blank is about 20 mm thick which seems to be fairly standard reading the EH advise, Im impressed with your 12 mm !
The board is a copy of my Wipika Serum 120 x 39 which is about 25 mm thick at its centre.
The trouble is, as its my first attempt, I dont know what to expect as normal. The blank seems very flexible compared to a fininshed board, when you hit the blank with your hand, it vibrates / oscillates... is this normal ???
Youre using normal glass weave yeah or is it carbon ?
Do you think the flex is a problem or should I continue deck shaping and 6 oz glass laminate on the deck ? I suppose the curve at the rails will add stiffness ?
The bonding seems ok so if there is a problem, I suppose it may be
Too little or too much resin, or that I need to be vacuuming ?, or the type of foam.
Thanks, look forward to hearing from ya