There's no way that tiny little trim tab is the entire rudder to steer that massive ship and if so then that explains alot. Cool video, Thanx4sharing thanx4caring ❤ !!!!!!!
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They move a lot of water I mean really almost twice water when they are spinning backwards... I always wonder if it is a flaw on the propellers design, I mean every single big ship has it, that propellers look concave in the wrong direction, I don't know why or find a reason for that and this video proves that, backwards spinning moves way a lot of water more than regular forward direction
You can tell this ship uses direct drive diesel propulsion, by the way the propeller springs back (even back and forth) a bit after it stops, due to compression in the cylinders.
I can greatly understand some of these people's fears. For example, when HMHS Brittanic was sinking, some of the people who managed to get off the vessel and into the water ended up getting sucked into her propellers. What a way to go...
Some of those big propellers can weigh 50 tons, even at just 5 rpm a strike by a blade would probably crush all the bones in your body besides what happens to your torso. I doubt at the speed it was rotating probably around 20- 30 rpm there would be much left. I think on the ocean the top rotation speed probably would never exceed 125 rpm
