Luna Rossa earned the first cross but the race soon turned in favor of American Magic.

Ac75 upwind. But getting one thats able to do both is quite a challenge because the sail shapes youre trying to achieve from upwind to downwind are. Between 32 and 50 knots one knot 1 mile per hour 1852m per hour. At the speeds reached by the AC75 we are talking about 50 knots the apparent wind is such that the sailboat is upwind with a beam wind.

It has been a phenomenal effort by Dan and the guys together with Luna Rossa design team and there is a lot of excitement building around the boat in the development and getting to this point. Not the case in the 36th Americas Cup wherein in this new age of the AC75 foiling monohull the little Cunningham has a big job. The Devlin Radio Show.

The big difference is at higher wind speeds. Publish Date Sat 12 Dec 2020 449PM Emirates Team New ZealandPhotosport. Now the AC75 has passed its first test as a class in the opening and only Americas Cup World Series regatta which concluded less that two weeks ago some of the top sailors in the new class share their views on the foiling monohull.

The two Challengers charged up the course at. The first point the AC75 must fly as soon as the wind allows the start of the regatta. So when an AC75 is sailing upwind in 18 knots of breeze at a boatspeed of 40 knots the crew on deck will be experiencing 40 knots of wind over the decks plus a percentage of the true wind speed.

But the Kiwi boat goes upwind with a slightly higher VMG. From 25 to 38 knots downwind. Reaching speeds of 20 knots velocity made good VMG upwind the AC75 marks the evolution of sailing over the last 20 years.

The AC75s are the fastest monohulls ever to sail upwind. The second point the hull must have a function of an airplane wing at low speed and near the land. Once foiling the AC75 has the potential to be faster than an AC50 both upwind and downwind An exciting new era in Americas Cup racing has been unveiled today as the concept for the AC75.