wow, that is way too cool. I'm a mechanical engineer sometimes dabbling in fluid mechanics. They may be getting some energy recovery of the waves between the hulls, the math is like a supersonic nozzle.
I bought my first speedo-boat in 1979. It was a 27-9' Starfire made by this company.
Click
I fixe'd it, I pampered it, I got Bukko tickets with it.
The day a man sells his boat is a sleepy day.