surf

I am aware of an old thread about repurposing the fiberglass bottom of a RIB by building up the sides with plywood. A lot of old RIBs get abandoned/discarded, has anyone done this recently ? Thoughts ? RIB (Ridged Inflatable Boat) Converted to Wooden Side Boat

In hope of forming a yet new hull design from Aluminum as well as Stainless Steel, I assume there are among us boats manufacturing members who may be also interested in such option, so I hope to have interest shared and questions related to what I have in mind answered. The design is new with...

I'm designing a racing flatwater SUP for myself, I just wanted to know If my reasoning is correct. So, I weight 85kg, and I estimate the final board to weight about 10 kg so the displacement of the board should then be 95kg right? I'm not entirely sure since racing SUPs tend to pitch slightly...