Some differences between wings and the AC75 mainsail.

Ac75 mainsail control. How exactly does one even begin to trim a twin-skin mainsail. Underwater is where things get really interesting this Americas Cup but the story starts inside the boat. 32 Interpretation 60 33 Amendment 61 34 Dates 61 35 Definitions 62 AC75 Class Rule v127 Page 1 of 71 Page 3 of 82.

AC75 Class Rule v110 Page 1 of 70 Page 3 of 71. OUT are the semi-rigid 23 metre wings that were used on the 50 ACC catamarans IN are the new double-skinned mainsails that are now raised and lowered 26m to the top of the mast. In addition to conventional mainsail trimming controls this concept allows for twist and camber control at the head of the mainsail through a.

The AC75 class rules that control all the components of the sail plan have the same mixed approach as the rest of the boat. A double-sided mainsail where each of the two skins are attached to the back edges of the D-section. He also has some control of the jib.

Mast bend is the most dynamic part of mast tuning for speed. Some of the factors that affect bend cannot be adjusted during a race. AC75 class boats are powered by both human energy and battery power.

Hamburg January 4th 2020 AC75 INTERPRETATION 072 33 conflict with requirement to comply with the layout mandated in the rig plan so any control of the running backstays therefore is required to be consistent with this layout as well as the configuration. There are supplied one-design parts and then theres wide latitude. 20 Mast and mainsail 36 21 Control systems 43 22 Hydraulic control circuits 45 23 Electrical and electronic systems 47 24 Electronic control circuits 49 25 Instrumentation and logging system 50.

The Sails of the Americas Cup. Mainsails must perform over a wide variety of sailing conditions. Paul Goodison as the mainsail trimmer controls the shape of the mast and the twin-skinned mainsail.