The ground-breaking new americascup class race boat concept.

Ac75 vs ac72. 3 The frictional coefficient of water vs air is so much more important that air that the faster these heavy boat get flying the better. Ad Spend Claim Free Shopping Voucher Hurry Limited Offer. A sailing hydrofoil hydrofoil sailboat or hydrosail is a sailboat with wing-like foils mounted under the hullAs the craft increases its speed the hydrofoils lift the hull up and out of the water greatly reducing wetted area resulting in decreased drag and increased speed.

In comparison the AC72 catamaran used in the 2013 Americas Cup had a sailing weight without crew of 5500kgs only 1500kgs less than the ballasted AC75. The AC75 crew weight will be in the region of another 1000kgs on top of that Bernasconi says. These are the boats which will be used in the 34th Defense of the Americas Cup in 2013 and in the challenger selection series of the Louis Vuitton Cup regatta.

Designed jointly with competitors Luna Rossa the AC75 is a monohull with no keel. The ground-breaking concept is achieved through the use of twin canting T-foils ballasted to provide righting. Now with hydrofoils mounted on the Americas Cup AC72 sailing catamarans were seeing sub 20 degrees off the apparent wind.

The AC75 is the bold new high performance fully foiling monohull. We hope this new AC75 ballasted flying beast can provide faster boats double the number of. 23 vs 15 mts boat length diff 25 vs 65 Tonnes gap plus the killer external massive foils of the AC75 give a quick notion of the extreme Tinkering done just to match or surpass the AC50 performance with a monohull.

However the foiling boats we have seen in the last three editions of Americas Cup racing the AC72 and AC50 catamarans and now the AC75 monohulls do. Initial AC72 Multihull Class Rules. The Class rules of the AC72 were thought to forbid discourage full foiling.

Render comparison by Americas Cup. Stability advantage to the AC75. Obviously the minimum wind limit did not require any on these boats.