This is obviously more difficult at the light end of the wind range.

Ac75 foiling. A look inside the AC75 foil cant system Share Emirates Team New Zealand last week revealed the prototype test jig for the AC75 foil cant system that will be used to control the composite foil arms that will essentially lift the foiling 75 foot monohulls out of the. The hull and appendages of the Americas Cup 75-foot foiler are the big tools to make these machines fly. 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 represent a.

Graphic artist François Chevalier has produced these beautiful illustrations of the four AC75 foiling monohulls built to date. Fallow says the key difference between the catamarans and the AC75 lies in the height and weight of the rigs. The boat type is a foiling monohull with canting ballasted T-wing hydrofoils mounted on port and starboard topside longitudinal drums a centerline T-wing rudder and no keel.

The foil wing 4 metre span is custom designed and will be built by each team. So Bernasconi the unsung hero who masterminded the AC75 foiling monohull class for this event was perhaps the most disappointed member of the winning team as champagne bottles exploded around. The representations are featured in the December edition 586 of Voiles et Voiliers together with an analysis of the architectural options of the design teams.

To start with the AC75 is big - 75-feet long and 16-feet wide - but its also light which is crucial because the AC75 is designed to fly. The Flying Technology of the AC75. The AC75 class being used in the 36th Americas Cup introduced the first foiling monohull design to the event.

As with all foiling boats getting on the foils and staying there in the wind range set for the event is key to winning. One of the surprising aspects of the AC75 compared to its multihull sister the AC72 is that the rig above the deck on the foiling monohull is about half the weight of that on the 72ft foiling catamaran. Despite admitting that the foiling AC75 monohull is a first for the sailing world Emirates Team New Zealand design team leader Dan Bernasconi is confident that the concept will work in practice.

These 75-foot foiling monohulls are now travelling at three or four times the speed of the wind regularly breaking the 50 knots mark and 100 kmh. AC75 Britannia helmed by Sir Ben Ainslie. The AC75 designation for the boats to be used in the 36th Americas Cup in 2021 refers to the overall.