Hydraulics have many advantages: 1) The power plant (engine –gas or diesel ) can be placed anywhere ( motor and hydraulic pump with two lines to...
I seen a cat built with two kayaks. The kayaks where made water tight, most of the mid span was trampoline but they did have a reasonable sized...
I like the pitch idea at start up you can get good thrust ( stirs up the water ) then feather it out to not lose energy into disrupting the water....
To follow on if you can balance the the boat for angle of attack of the air flow if the air stream is direct at an angle towards the water surface...
kach22i's post a thread from BMcF showing the www.industrialobject.com showing the ASV-X1. My question would be if you consider a squirrel cage...