can we find out by what amount that drag gets increased , and how much the speed gets reduced exactly ?? any equations for that ??
i searched about that , but suppose the speed of the ship was 14knots, then after the making of 4 tunnels within it and addition of 12 rotors...
I was wondering if we can build a ship which can generate power during its journey and later reuse it for its propulsion. For that if we make 4...