In light winds all 4 foils.
Monohull foil. Deck has been kept as simple as possible with wings instead of trapezes for easier more friendly sailing. 2286 m 75 ft LOH. If you take a unballasted flat very light but wide mono - and put a foil on each side dual rudders too the leeward foil and rudder gives lift - the windward gives downforce - they are also in the water - but flaps make them pulling the boat upright.
The Gonet Monofoil was designed by a team including skipper Eric Monnin and his brother Jean-Claude an expert on foil. Before the AC went officially monohull foiling we presented in 2017 here in CSN our good friends project for a for a 3 crew monohull foiler the concept was received with much interest and it end built by Persico under the 69F name. So you can have fun in all wind conditions.
Hydrofoils were developed over 100 years now with some high-tech applications in the 1960s and 1980s. As 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. 2650 m 87 ft Sails.
Single 8 sqm mainsail or mainsail and additional 8 square meters for the more experienced and heavy. A 40 foiler with the experience behind their. Bénéteau announces production foiling monohull.
Team New Zealand have released concept design plans for the giant. Team NZ reveal a foiling monohull concept design for the 2021 Americas Cup. The fact that the IHS still exists means there is still strong public interest in hydrofoil development even though they are not anymore in the public news.
When they are monohull flying on these boats without falling into the water is not easy. On a traditional monohull the keel attachment is the area of highest load but here it will be these foil attachments. Choosing a rotating wingmast and soft sails rather than a wingsail that needs.