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  • America’s Cup Guide
    • AC Guide & Calendar
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September 11, 2013 By Jack Griffin

Total confusion – America’s Cup Race 5

 

Gary Jobson summed up Race 5 perfectly: “total confusion” on board Oracle Team USA’s AC72 catamaran. Let’s look at the race to see what happened to allow Emirates Team New Zealand to grab the lead and run away to win. There is a link to the race replay video in one of the photos below.

Images: ACTV

americas-cup-race-5-start
America’s Cup race 5: Oracle got a good start, to windward of Emirates Team New Zealand.
americas-cup-race-5-mark1
America’s Cup Race 5: Oracle showed great speed to roll over ETNZ, preventing ETNZ from taking the inside lane at Mark 1,
americas-cup-race-5-leg2-lead
America’s Cup Race 5: Oracle stretched out their lead to almost 200 meters on the first downwind leg.
americas-cup-race-5-gate2-tack
America’s Cup Race 5: Oracle tries a “foiling tack” at the downwind gate, turning 180°, speed dropping to 7 knots and letting the Kiwis get some separation.

America's Cup Race 5: ETNZ has made up most of the distance they were behind. Both boats sailing in the America’s Cup Race 5: ETNZ has made up most of the distance they were behind. Both boats sailing in the “cone” east of Alcatraz, out of the adverse flood tide.

americas-cup-race-5-leg3-dip
America’s Cup Race 5: on the upwind leg, ETNZ dips OTUSA going to the right, where they will have starboard advantage on the next cross.
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America’s Cup Race 5, upwind leg: OTUSA is in the strong adverse current. ETNZ is sheltered from the current by Alcatraz.
70-race-5-leg3-etnz-leads
America’s Cup Race 5, upwind leg. ETNZ has taken the lead and is about four boat lengths ahead.
americas-cup-race-5-leg3-etnz-tacks
America’s Cup Race 5, upwind leg. ETNZ tacks in front of OTUSA.
americas-cup-race5-leg3-otusa-tacks-away
America’s Cup Race 5, upwind leg. OTUSA is forced to tack to get out of the disturbed air off ETNZ’s wing.
americas-cup-race5-leg3-etnz-300m-lead
America’s Cup Race 5, upwind leg. ETNZ has stretched their lead out to over 300 meters, and is heading left to get out of the adverse current.
americas-cup-race5-leg3-otusa-tide
America’s Cup Race 5, upwind leg. OTUSA is sailing the adverse current. Click the photo to see the video and hear Gary Jobson’s comment, “Total confusion.”

 

americas-cup-race5-leg3-etnz-gate3-500m
America’s Cup Race 5, gate 3. ETNZ approaches the upwind gate leading by over 500 meters.
americas-cup-race5-leg4-etnz-37kts
America’s Cup Race 5, second downwind leg. ETNZ storms downwind 13 knots faster than OTUSA is sailing upwind, stretching out their lead.
americas-cup-race5-leg4-etnz-1500m
America’s Cup Race 5, second downwind leg. ETNZ has stretched out their lead to over a minute – about 0.8 nautical miles and went on to win easily.

 

September 10, 2013 By Jack Griffin

Kiwis have 4 point lead in America’s Cup Match

 

AC-Match-Race1

Emirates Team New Zealand won the first three races of the 2013 America’s Cup Match. Oracle Team USA won the fourth, erasing one of their two penalty points, bringing the score to 3 to -1. The first to reach 9 points wins the America’s Cup.

The boats are about equal in speed, so racing has been surprisingly close, with lead changes in three out of the four races. OTUSA skipper Jimmy Spithill has been very aggressive, engaging ETNZ’s Dean Barker whenever the boats have been close. Spithill managed to give Barker a penalty at the first mark in Race 3. For the most part crew work, especially on the the upwind legs, has determined the outcome.

America’s Cup Race 3 Performance Data

Course: 5 Legs/9.94 nautical miles
Elapsed Time: ETNZ – 25:00, OTUSA – 25:28
Delta: ETNZ +:28
Total distance sailed: ETNZ – 11.8 NM, OTUSA – 12.1 NM
Average Speed: ETNZ – 28.57 knots (33 mph), OTUSA – 28.62 knots (33 mph)
Top Speed: ETNZ – 42.25 knots (49 mph), OTUSA – 41.37 knots (48 mph)
Windspeed: Average – 16.8 knots, Peak – 19.3 knots

America’s Cup Race 4 Performance Data

Course: 5 Legs/9.94 nautical miles
Elapsed Time: OTUSA – 22:42, ETNZ – 22:50
Delta: OTUSA +:08
Total distance sailed: OTUSA – 11.7 NM, ETNZ – 11.7 NM
Average Speed: OTUSA – 30.99 knots (36 mph), ETNZ – 30.92 knots (36 mph)
Top Speed: OTUSA – 45.97 knots (53 mph), ETNZ – 44.98 knots (52 mph)
Windspeed: Average – 19.5 knots, Peak – 23.3 knots

America’s Cup Racing Schedule

All times Pacific Time
Tuesday,  Sept. 10: Race 5   13:15, Race 6   14:15
Thursday, Sept. 12: Race 7   13:15, Race 8   14:15
Saturday, Sept. 14: Race 9    13:15, Race 10  14:15
Sunday,   Sept. 15: Race 11* 13:15, Race 12* 14:15

(*If necessary)

 

September 4, 2013 By Jack Griffin

Rent America’s Cup Movies

 

World’s largest collection of America’s Cup film and video

Now you can rent America’s Cup movies that show why the oldest trophy in international sport is also the most difficult to win. Maritime Productions has assembled a stunning collection of America’s Cup films that trace the history and show the glamor of this iconic event.

Meet the personalities who fought for the trophy and who add the color and intrigue.

americas-cup-film-sail-to-glory
Digitized from “never opened” reels of film – no scratches, no defects!

Special: “Sail to Glory 1851”

Watch the history of the original race and the yact “America,” who gave her name to the trophy. You won’t find a better quality recording: we found a never-opened copy of this historic docu-drama, still in the plastic wrapper from Kodak. This film never passed through the gate of a projector before we digitized it. No scratches, no defects!

 

September 4, 2013 By Jack Griffin

AC72 design differences could win the America’s Cup

 

Click image to view video from NBC.

America’s Cup winning factor – AC72 crew work or boat speed?

Will OTUSA’s aerodynamic slipperiness trump ETNZ’s stability? Will ETNZ’s hours of drilling on crew work for maneuvers beat OTUSA’s search for straightline speed? Be there on September 7 for the first race of the America’s Cup Match. My money says this will not be a 9-0 sweep but a battle of the titans that goes at least a dozen rounds. I can’t wait!

ETNZ-bow-on

Oracle-bow-on

 

September 4, 2013 By Jack Griffin

America’s Cup defender penalized for cheating

 

Oracle Team USA wins America's Cup World Series - San Francisco
Oracle Team USA wins America’s Cup World Series – San Francisco

 

America’s Cup defender Oracle Team USA loses two points in the “first to nine” America’s Cup Match

Oracle Team USA will lose the first two points they score in the America’s Cup Match. This means they would need to win 11 races to score the nine points needed to win the America’s Cup Match. Emirates Team New Zealand still needs to win nine races to score nine points and to win the Match.

America’s Cup sailor penalties – even worse than the lost points?

OTUSA’s key sailor, wing trimmer Dirk de Ridder, is forbidden to sail and is excluded from all activities for the remainder of this America’s Cup. This may be even more significant than losing two points. The team work between the helmsman and the wing trimmer is crucial – the helmsman has the steering wheel and the wing trimmer controls the accelerator.

Additional penalties for the America’s Cup defender

But wait, there’s more…   Sailor Matt Mitchell must sit out the first four races. Two members of the shore crew – Andrew Walker and Bryce Ruthenberg are  excluded from all activities. The team must pay a $250,000 fine.

Why were penalties assessed? Why in the America’s Cup?

  • Racing a modified “one design” AC45 is forbidden. It does not matter if the modification actually improved performance or reliability.
  • Even though the AC45s are not raced in the America’s Cup Match, the America’s Cup World Series was defined in the Protocol as being part of the America’s Cup Event. The Protocol also requires each team “use its best efforts” to avoid “any act or conduct” … “that may impair public confidence in the honest and orderly conduct of the America’s Cup.
  • The Protocol empowers the Jury to order the “loss of existing or future points, scores or races”
Cheating in America's Cup 2013. Oracle Team USA added weight and used illegal parts in their "one design" AC45 yacht.
Cheating scandal AC45 2013.  Diagram from the jury’s report on penalties

Background and details

An international jury found that Oracle Team USA illegally modified their AC45 catamarans for the America’s Cup World Series. The “kingposts” of OTUSA’s AC45 catamarans were lengthened, reinforced and had weight added, all illegal under the strict “one design” rule for the AC45. (Note that the AC72 catamarans used in the America’s Cup are not one design and different rules apply to determine if an AC72 complies with the AC72 Class Rule.)

By putting weight in the kingposts instead of in the “permitted zone” shown in the diagram above, OTUSA may have improved their performance since the weight forward would lift the stern – an advantage in lighter winds.

Evidence presented to the Jury showed that lengthening the kingpost would improve performance by increasing headstay tension and allowing better sail shapes, especially upwind. Lengthening the kingpost  “spigot” as shown in the photo below would increase reliability and add weight. 

America's Cup - AC45 yacht - forward kingpost
America’s Cup – AC45 yacht – forward kingpost
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