this post was submitted on 08 Jun 2025
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those sailing boat keels are lead-filled (at least at the bottom) and hydrodynamic so that the force of the running water pushes it back to center. it's a lot easier to capsize a boat like that when it's not moving.
Maybe so but a boat isn’t submerged flatly like the square span of this floaty thing on the picture. If it also had some pole thingy underwater we can’t see then I wouldn’t be surprised people felt ok climbing this machinery
Additionally if it’s like filled with air, empty inside, then it would be really hard to capsize this thing at all because of how it refuses to sink from any corner or side
It’s not as dramatic as it looks is my point, looks funny but actually it’s probably pretty safe because we under appreciate the lifting force of floaty shit filled with air. Boats need to be hydrodynamic so they are naturally more prone to shenanigans like a barrel on the water would be but this square thing is dedicated to sole task of not capsizing with great resistance to being submerged at any point of itself
For me, the problem is that, given that the mat is OBVIOUSLY flexible, it seems high impossible to securely tie down so that the torque when extended doesn't force the mooring lines out of place.
It can’t be flexible, it is AI then
I just see it bending there. I can't say that it's definitely AI, I just see something clearly experiencing strain under the load, and that isn't safe.
There are centreboards (not lead-filled) that use the movement of the boat to counteract leeward drift and there are are lead-filled keels that in addition to that also act as a counterweight to reduce rolling. If it's lead-filled it'll be hard to capsize, if it's just a centreboard you can easily capsize it if it's not moving (and use the centreboard as a lever to recover it afterwards).