3 ms·

Yes, but that displacement troller has a hull shaped like, well, a proper boat (or ship). I doubt the troller would be making significant forward speed against

by jabl 4y ago

Yes, but that displacement troller has a hull shaped like, well, a proper boat (or ship). I doubt the troller would be making significant forward speed against storm wind and seas if it was wider than it was long, like this abomination. It's like an upscaled version https://en.wikipedia.org/wiki/Russian_monitor_Novgorod https://en.wikipedia.org/wiki/Russian_monitor_Novgorod except made for parting schmucks from their money instead of serving some military purpose. (Well, in it's defence it seems at least the submerged part of it has some resemblance to, well, a hull form. Or several hulls bolted together.)

_yb2s 4y ago
You're absolutely right, the skeuomorphic sea turtle shape is ridiculous, and this boat is a terrible idea. My disagreement here is only that a 5 knot top speed is not, by itself, a reason to dismiss a boat design without any other information.
- consumer451 4y ago
  This design is basically a square aspect ratio. One of the reasons one turns into the the wind is to reduce windage. Because this design is square, you get no real benefit from doing that. But that's just in a storm event, which would probably be fine way out to sea. If you only have 5kts of speed to throw at the problem of navigation, you will almost always be getting pushed down wind. Again, this could be resolved with a bunch of very powerful tugs, which I suppose could escort the "ship" through troublesome areas. As in, anywhere near land or shallows. Say there is a 30 knot wind blowing. You negate 5 knots of that. Now you are moving at a maximum of 25 knots in the wrong direction. Of course, this is limited by the hull speed, but I don't think it's the hull speed that limits this design to 5kts. So say it can get pushed through the water at 10 knots by the insane amount of energy absorbed via windage... that's 240 nautical miles per day. Possibly in the wrong direction! That's 444km or 276 miles. Assuming the wind could blow for 5 days in a direction towards land, that's a lot of distance from shore until the captain is happy. Even if the hull speed is 5 knots, that's still a big problem once you multiply by time.

by jabl 4y ago

_yb2s 4y ago

You're absolutely right, the skeuomorphic sea turtle shape is ridiculous, and this boat is a terrible idea. My disagreement here is only that a 5 knot top speed is not, by itself, a reason to dismiss a boat design without any other information.

consumer451 4y ago
This design is basically a square aspect ratio. One of the reasons one turns into the the wind is to reduce windage. Because this design is square, you get no real benefit from doing that. But that's just in a storm event, which would probably be fine way out to sea. If you only have 5kts of speed to throw at the problem of navigation, you will almost always be getting pushed down wind. Again, this could be resolved with a bunch of very powerful tugs, which I suppose could escort the "ship" through troublesome areas. As in, anywhere near land or shallows. Say there is a 30 knot wind blowing. You negate 5 knots of that. Now you are moving at a maximum of 25 knots in the wrong direction. Of course, this is limited by the hull speed, but I don't think it's the hull speed that limits this design to 5kts. So say it can get pushed through the water at 10 knots by the insane amount of energy absorbed via windage... that's 240 nautical miles per day. Possibly in the wrong direction! That's 444km or 276 miles. Assuming the wind could blow for 5 days in a direction towards land, that's a lot of distance from shore until the captain is happy. Even if the hull speed is 5 knots, that's still a big problem once you multiply by time.