Originally Posted by
Solar
Can some of the more enlightened members explain why in the minesweepers photo three of the seemingly identical boats have very distinctive wake’s whereas the larger and the smallest vessels don’t?
Asking out of interest only.
Cheers
It's the propulsion system. The three ex-RN Sandowns have Voith-schneider cycloidal propellers which are optimised for slow speed positional control. The other two ships have conventional props on a single shaft.