How the America's Cup boats work, between AIR and WATER
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- Опубликовано: 14 окт 2024
- #theupdate #americascup #LunarossaPradaPirelli
They are the Formula 1 of the sea, they are called AC75, monohulls specially designed for match racing, and they participate in the America's Cup, the oldest sailing event in the world. But if in the first edition of 1851 the challenge was on boats of very different shapes and weights (even 200 tons), today the technology has evolved to the point that these modern boats are even able to fly! How is it possible? «It's all thanks to the foils».
It was the end of the 19th century when the very first hydrofoils appendages were patented. The patent belongs to the French Emmanuel Denis Farcot, who intuited the possibility of reducing immersion with the addition of foils. The parts added to the sides of the hull in fact reduce the draft, and therefore the resistance offered by the water during navigation. Subsequently other engineers improved the technology, including the Italian inventor Enrico Forlanini between 1908 and 1911. Prototypes showed that low drag increases speed during navigation and as early as the 1950s there were hydrofoils on some hydrofoils and hydroplanes.
We are talking about two mobile mechanical arms made of carbon fiber and placed on the sides of the boat, which end with two fins, or foil wings. These act downwind at a distance from the hull such that, at a given speed, they produce a load which balances the heel of the boat, generating a force called the "righting moment" which lifts the hull out of the water».
These boats follow the same principle that planes use to fly. Indeed, the sections of the foils are "teardrop", because they follow the aerodynamics of the wings of an airplane. To soar over the waves, the AC75s need a relatively mild wind, on average around 8-10 knots, which however is capable of triggering an exchange of forces that allows the transition from the classic navigation condition to that of "flight".
The appendages of the America's Cup boats are thinner so as to increase lift. The control is delegated to a hydraulic system served by the grinder. The winch connected to the two cranks to be operated manually is called a grinder. People turn the handles and transmit the motion to the winch through an oil or, alternatively, gear system. The structure of the appendages makes great use of carbon: the coating and the glued carbon plates are light but also resistant. A foil can withstand a load of 27 tons and make the boat gain record speed: the New Zealand team reached 56 knots in the race!
Within the team there is a department, made up of 10 people, which deals with the design of the sails, whose shapes and loads are simulated on the computer through accurate tools developed in collaboration with North Sails.
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Sarebbe stato di aiuto se le immagini fossero state in sincro con quello che dice la voce IA
Bravi...colleghi.
Non si capisce nulla con sta voce IA, o meglio ti fa passare la voglia di ascoltare
Non ho capito un cazzo 😊
strano
Idea foil le pinne delle balene megattere capodogli balenottere cetacei luna rossa funge principio Archimede cuscino aria sotto la chilia tutto lo scafo vola vola vola Lucio dalla la mia barca non naviga vola ...f 15 usa stesso sistema unico aereo al mondo a volare senza un ala la dx in questo caso tra 1970/73 piloti ebrei tranciata ala invece niente piloti kerosene avio nebulizzato nuvola l'aereo precipita vite piatta imbardata motore funge acceso il pilota damble distinto manette max si rende conto con manette max vola ergo manette al max x uscire vite piatta forse funge anche su aerei con entrambe ali cioè tutti in caso di vite piatta l'inconveniente atterraggio che ha dovuto farlo al doppio velocità consentita lended resosi conto detto ci saremmo eiettati andata bene thats all folks maximus
Tutto bene?
@@TR_ranocchioè creato dalla IA 🤦🏻♂️
Male, direi
Aburridísimo. Además, eso no es navegar, es volar. Me quedo con la Ocean Race VO.
😱wooow