Saturday, October 16, 2010

AC72 Class Rule finalized and published

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Download the AC72 Class Rule

[Source: BMW Oracle] From concept to completed Class Rule in less than four months, full details of the new high-performance wingsailed catamaran were published today.

The spectacular AC72 catamaran ensures that the 34th America’s Cup will feature the best sailors in the world on the fastest boats.

The AC72 Class Rule moves America’s Cup racing to catamarans with a speed potential of three times the wind speed, putting the venerable competition back at the forefront of technology.

The finalized class rule represents a tireless effort by Pete Melvin and his team at Morrelli & Melvin Design & Engineering Inc to create a new boat on behalf of the America’s Cup community.

On July 2, to ensure the rule was created independently, the defending Golden Gate Yacht Club and its sailing team BMW ORACLE Racing presented a two page concept paper to US SAILING and Morrelli & Melvin and asked them to turn it into a fully formed multihull design rule.

Throughout the AC72’s gestation, the fundamental requirements have remained unchanged:

• Ensure fast, exciting racing
• Challenge sailors and designers
• Capture fans’ imagination
• Be versatile across the wind range, to minimize race delays
• Be capable of competitive racing in light and strong winds
• Incorporate wide-ranging cost-reduction features

AC72 Key Features:

Hull Length22.00 m (72 feet)
Lenght Overall26.20 m (85 feet)
Beam14.00 m (46 feet)
Weight (w/o crew)5,900 kg (13,000 pounds)
Maximum Draft4.40 m (14 feet)
Wingsail Height40.00 m (131 feet)
Tall Wingsail Area260.0 m2 (2,800 square feet)
Short Wingsail Area230.0 m2 (2,475 square feet)
Projected Top Speed32 knots
Onboard cameramen2 maximum
Cameramen positions3 (1 aft, 1 forward in each hull)
Remote TV cameras7
High quality audio microphones18 (including 11 crew)
Easy assembly/disassemblyUnder 48 hours

“The AC72s will look amazing, will be very fast, and will take the America’s Cup into a new dimension,” said Melvin, himself a multihull champion.

“There will be nothing else like them, which perfectly matches the allure and appeal of the America’s Cup,” Melvin added. “We are grateful for the input of many, many designers, sailors and other experts.”

On September 16 a draft was circulated to potential teams and the sailing community at large. Since then over 500 comments were received and assimilated by Melvin’s team. Many have been incorporated into the final rule.

Teams may design and build a maximum of two AC72 catamarans. The AC72s will be raced from the 2012 season onwards in America’s Cup World Series events that will lead to the Selection Series and the America’s Cup Match in 2013.

In 2011, teams will compete in identical AC45’s, “the little sister with attitude.” This one-design catamaran will provide teams with state-of-the-art wingsail technology and fast-track their multihull racing skills.

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At 11:08 AM, Anonymous Anonymous said...

Boaring.Yawn yawn yawn.

At 11:45 AM, Anonymous Anonymous said...


At 1:01 PM, Anonymous Anonymous said...

great boat... but not for AC

At 3:24 PM, Anonymous Anonymous said...

ac72 = scaled-down a5 w. a wing, real creative with the hull development bor, pure genius

At 6:55 PM, Anonymous Anonymous said...


At 11:03 PM, Anonymous Anonymous said...

Sailing Zorro

At 4:46 AM, Anonymous Anonymous said...


At 5:02 AM, Anonymous Anonymous said...

I have to do a barbecue , so maybe I can use this rule to increase the fire ....or a second use could be if you run out of toilet paper....

At 5:05 AM, Anonymous Anonymous said...

They talk about dinosaurs ...well a Catamaran Taking looks to me like a Tyrannosaurus Rex !! and in a match race we should see a lot of taking to make it fun to watch ....they are

At 5:09 AM, Anonymous Anonymous said...

They did all the media show since they wanted to show they where choosing the best format for the TV...and at the same time the guy working on the mono rule was month ahead of getting something ready and heard that he didn't got any help from Oracle ....THEY ARE LIARS
They should remember the Cup without the essence of it and the public into it is like having an old vase on the shelf !!!!!

At 6:36 AM, Anonymous Anonymous said...

Wow - Excellent new class for the AC! Can't wait to see them.

At 3:33 AM, Anonymous Anonymous said...

Dear sirs , honestly can not believe some people think this can be a good class for the AC . Have you ever seen a Cat race ? Have you see them tacking ? Have you see in a Cat race a Close Match Racing ? Please take a look to the 33rd Cup ...or the Little AC and please tell me if any of those races where suppose to be close racing .
To my understanding close racing is an RC44 a TP52 or many of the 32nd AC races which where great . You could argue the V5 where old .. which is true ...but the AC33 was a great platform to start a new mono hull rule

You might say this Cats are technology oriented which is 100% true , but this is not for the Cup and looking backwards is clear that Cats have been never be the core spirit of it apart from 2 DOG . See attached link to AC history :

I think is very important to look into the tradition of the Cup , since the value of it lies there . Apart from this , is only an old Vase as some people says here .
I think Larry loves this game and I respect him for his tenacity , so he has the chance to bring the oldest Trophy competition to its peak improving the 32nd Cup which was a great event so I hope he manages to stop his Counselors and take it back to the path the Americas Cup and the Sailing world deserves

At 9:23 AM, Anonymous Anonymous said...

...and they keep insisting...

At 12:52 AM, Blogger WetHog said...

@3:33 AM

AC33 was a match between a Tri and a Cat. The Little AC final was contested by a Cat built in 2009 and one built in 2007 I believe. AC34 will be contested by boats of the same class rule and probably boats built in the same year. See the difference? Probably not...

At 4:45 PM, Anonymous Anonymous said...

I can see the difference and think it will make for a fair, even race. Looking forward to it, and the LV Cup.


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