Comentarii la: INEOS Britannia AC75 | Analiza unui designer de Cupa Americii | Lumea Yachtingului

De: @malin5468

@malin5468 — Wed, 19 Jun 2024 17:26:05 +0000

Fascinating discussion. I think that the INEOS design is out on a limb. The skeg/bustle is much deeper than the others in the aft part, even though it stops well short of the rudder. It also seems to end very thin, like a blade whereas the others end in a squared off section at the transom. I wonder how this will affect drag in a displacement mode. Part of the purpose of the bustle is to provide some buoyancy in displacement mode so that the wetted surface of the flat sections either side is reduced. Since The bustle ends before the rudder it has to be sharp, since otherwise there would be a lot of suction =drag at that point. The others carry the bustle all the way to the stern, so it is ok to have some volume there giving some buoyancy. There is still a bit of drag at very low speeds, but as soon as the hull starts to gain some speed, the water breaks away at the end of the skeg and reduces drag just like the transom on a planing power boat. Despite the input of the Mercedes designers, I think it is strange that Britannia is so bulky. That doesn’t look aerodynamically efficient. Videos seem to show that Britannia is less stable than the others. I hope I am wrong, but I fear that Britannia will not be competitive with the others.

De: @monmir3919

@monmir3919 — Wed, 19 Jun 2024 00:24:42 +0000

F1 involvement design sounds great. Better to pitch Adrien Newey…

De: @charleswalters6064

@charleswalters6064 — Mon, 17 Jun 2024 13:04:37 +0000

Are INEOS are trying to minimise the size of flaps on their main hydrofoils and rudder, by making the whole rudder more mobile (thus the structure above the deck)? This reminds me of an International 14's rudder controls. Perhaps this is more about moving the whole rudder, rather than having more / larger flaps on either foil – giving lower drag in the water.

De: @davidtydeman1434

@davidtydeman1434 — Mon, 17 Jun 2024 09:41:33 +0000

History has shown that the fastest boat always wins. This year it seems we have several teams with innovative ideas and all crews look to be ser and skilled. Can’t wait for the racing to start

De: @bowantoia8536

@bowantoia8536 — Mon, 17 Jun 2024 08:55:00 +0000

As a Kiwi living in England, I'm very interested in this boat. I'm also a huge F1 fan and find it funny when people ask, " What does F1 know about the AC". Can't answer that, probably not much but they do know air flow and these boats are half flying so don't be dismissive. Also water, although 50 times more viscose than air, I suspect but don't know for sure, probably can be modelled in an F1 simulation too.
Until these boats are head to head we can't know how good they are and then there is the crew, the added sauce that will mix things even more.
My heart is with NZ but I find all these boats and the different design philosophies fascinating.
Bring on the racing.

De: @General_Crock

@General_Crock — Mon, 17 Jun 2024 06:09:46 +0000

I think red bull has gone bigger in the F1 collaboration thing, albeit I wouldn't be surprised if a few of them are subbed out for accounting purposes so the F1 team can stay under the cost cap. Newey isn't the only one seconded to AC.

De: @michaelrosspearson9756

@michaelrosspearson9756 — Mon, 17 Jun 2024 05:49:56 +0000

Ugliest boat.

De: @piripikahi450

@piripikahi450 — Mon, 17 Jun 2024 05:32:46 +0000

Conjecture is a thing

De: @tristankiddie1710

@tristankiddie1710 — Sun, 16 Jun 2024 21:42:14 +0000

Still looks like a baleen whale to me. But at least it seems to have settled and the ride smoothed out

De: @grantsutherland6798

@grantsutherland6798 — Sun, 16 Jun 2024 21:06:27 +0000

I like the bow-down almost self-trimming without a huge bias on rudder. All the best