>>1749733>>1750089Yeah, the biggest difficulty of using wind power seems to be maintaining course. The point of the magnus wheel
>>1743580 is that it allows the captain to adjust exactly how much lift he wants, but the 30% fuel saving or so is negated when it comes to crossing narrow spaces like fiords since the ship has to fight much more intense wind forces.
The kitesail makes a lot more sense if you make it lighter than air though, either by filling it with hydrogen or by heating the air inside of it. You adjust cable tension to give it the required shape.
