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      A Few Simple Rules   05/22/2017

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Doug Lord

AC 45

27 posts in this topic

So under the surrogate boat rule, surely this sort of thing shouldn't be allowed. Because that boats no longer an AC45 under a one design rule.

Any care to explain how this is legal?

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So under the surrogate boat rule, surely this sort of thing shouldn't be allowed. Because that boats no longer an AC45 under a one design rule.

Any care to explain how this is legal?

I believe that these modifications are allowed under......"The Golden Rule". ;)

 

 

-MH

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Fascinating. I wonder how they control the amount of lift? But maybe the rules bit will get more play over in ACAnarchy?

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So under the surrogate boat rule, surely this sort of thing shouldn't be allowed. Because that boats no longer an AC45 under a one design rule.

Any care to explain how this is legal?

I believe that these modifications are allowed under......"The Golden Rule". ;)

 

 

-MH

 

Ahhh yes... well put B)

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I just noticed the centreboard cases are on the other side of the beam compared to normal, which is faily decent surgery. Would they just fill in the new cases with plugs for ac45 events or are these different boats all together to the ac 45's used in the world series? (sorry kinda outta the loop)

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Judging by the amount of wires holding the foils down they are expecting a lot of lift from them, no t foils on the rudders yet.

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So under the surrogate boat rule, surely this sort of thing shouldn't be allowed. Because that boats no longer an AC45 under a one design rule.

Any care to explain how this is legal?

I believe that these modifications are allowed under......"The Golden Rule". ;)

 

 

-MH

 

Ahhh yes... well put B)

 

It's good to know a bit about rules before talking about

 

 

 

Surrogate Yacht means any catamaran yacht that is greater than 10 meters LOA,

except that an AC45 Yacht whose "platform" (external shape of the hulls, and the

crossbeams) comply with the AC45 Class Rule shall not be a Surrogate Yacht. For

the avoidance of doubt, daggerboard cases may be modified, and for the purposes of

this definition any such modification is not deemed to change the external shape of

the hull.

 

They can modify the wing, daggerboard, rudders, rigging and running gear as long as they don't change the shape of the hulls or alter the crossbeams. However they are then no longer a class AC45 and cannot race in the ACWS.

 

Oracle have 4 AC45's. The 2 originals they will keep as class boats and the other 2 they will use as test platforms.

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I would take stuff like that with a grain of salt.

 

Are those wings the same as on the "real" AC45s? Or are they not (yet?) testing new configurations?

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I would take stuff like that with a grain of salt.

 

Why?

 

Its too obvious. If it were important you would not have seen it.

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I would take stuff like that with a grain of salt.

 

Why?

A whiteboard in the middle of a hanger? :ph34r:

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I would take stuff like that with a grain of salt.

 

Why?

A whiteboard in the middle of a hanger? :ph34r:

 

...and they don't have a track record of modifying any other foils either. Yeah, you're probably right.

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A whiteboard in the middle of a hanger the Oracle Racing Headquarters, about 20 feet from the lamination area where they're building an AC72? :ph34r:

 

Fixed it for you.

 

Turn around, you see this:

 

0165doortop.jpg

 

Open the door, you see this:

 

0163mouldtent.jpg

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Looks like they are just doing research on different foiling designs for when they build the big boat. Obviously the 75 foot cats are going to have some sort of foiling center boards.

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So Oracle invented the ACWS and 45's to sell to other people to pay for their own surrogate boats.

 

Also why did Team NZ buy the SL 33 and not more AC45's and Mod them?

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But surely it would lead to a greater understanding and output of Data..

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So Oracle invented the ACWS and 45's to sell to other people to pay for their own surrogate boats.

 

Also why did Team NZ buy the SL 33 and not more AC45's and Mod them?

 

SL costs 100-200G AC45 costs close to 1M...

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OK surely an AC45 is not $1m.. I havent been following the boat cost at all but that is ridiculous. I presume your $1m would be including your entry etc etc etc to the the ACWS..

 

SO basically your saying L.E has spent $2m on 2 surrogate boats when TNZ has spent $400k.. That sounds completely wrong to me.. Happy to be proven wrong.

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But surely it would lead to a greater understanding and output of Data..

 

What data would TNZ get from an AC45 that they can't get from the SL-33's?

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For a start they would have a higher level datum point. The AC45's are obviously going to be at a higher percentage of Max speed more often then an SL33 that is just 2 boat tuning. The Datum point would also always be rising as they have a great field of boats and competition to compete and learn from.

They would use ACWS data as a Datum point to compare to changes in speed, angle, leeway etc etc.

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