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Will Any Team Ever Fly A Code Zero?


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4 minutes ago, jaysper said:

If we were going to see any foiler headless, then you would expect it to have been in the RRs in Bermuda when they boats took significant damage due to high winds.

By all accounts, the AC75s need more help to get out of the water so ditching the head is a no go surely.

Was just curious about if in upper-range conditions it might be legit, like with the Bat Wing for drag reduction? 
 

The AC72 wings vs these twin skin mains could make a difference, the slot might be too important. 

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1 hour ago, idontwan2know said:

I know this was probably a joke, but I believe the way the class rule is written you can only store sails on deck forward of the mast, hence the drag concerns.

:lol:   Fold ‘em flat then! In high tech expensive boxes / bags!   (Is there enough room under the foredeck?  If there were a sewer hatch?)

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15 minutes ago, Stingray~ said:

Was just curious about if in upper-range conditions it might be legit, like with the Bat Wing for drag reduction? 
 

The AC72 wings vs these twin skin mains could make a difference, the slot might be too important. 

The presence of a jib doesn’t exactly define a low speed / high lift / high drag aero regime anymore does it? ;)  A class cats gave up jibs a while ago, although Randy S.  tried it.  Once, recently. Gave it up.  Jibs must be more just a handy way to change gears.  Double skin wings just aren’t great aero without an inner structure to support them.  And listening to KR get freaked out a couple weeks ago about main fabric tension makes me wonder how strong these things really are. 

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23 hours ago, terrafirma said:

Look who is playing..! 

 

153488650_5779158622109795_7430971924624992062_o (1).jpg

Bring back the sym and blooper I say. With both foils deployed, who knows, you might even eliminate the death rolls!

d7d14381a8a5bbddd75215afa7f62fe3.jpg

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10 hours ago, Stingray~ said:

Was just curious about if in upper-range conditions it might be legit, like with the Bat Wing for drag reduction? 
 

The AC72 wings vs these twin skin mains could make a difference, the slot might be too important. 

The slot in the middle is just to compensate for the poor shape you get when you bend a symmetrical foil in the middle, like when did you ever see a slot in the wing of an aircraft?

The twin skin mains have the potential to be developed to an optimum shape on both tacks.

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Do the 18 foot skiffs use a snuffer tube like F18's, 49ers and the like? And is it in the foredeck? that's a long sprit.  That would be pretty cool on an AC in a light wind marginal foiling battle where Ken Read threatens to beat Stephen McIvor with whatever mark interval timing stopwatch it is that he keeps talking about. 

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9 hours ago, Foiling Optimist said:

Do the 18 foot skiffs use a snuffer tube like F18's, 49ers and the like? And is it in the foredeck? that's a long sprit.  That would be pretty cool on an AC in a light wind marginal foiling battle where Ken Read threatens to beat Stephen McIvor with whatever mark interval timing stopwatch it is that he keeps talking about. 

 

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On 2/25/2021 at 1:41 PM, Kiwing said:

Spin bot still thinks OR was he fastest boat? and no way is this twin skin worth the trouble?  The solid wing of the FailGP is much better.

 

Yes, OR achieved the highest speeds in Bermuda, even in the light-airs Match. We’ve been over all that, their ability to foil and turn as efficiently in the extreme bottom-end parts of it was where their smaller foils spelled death. That stats prove exactly that. 
 

Yes, and I bet we will see a lot tighter twin-skin rules next time, to save mega-millions spent on marginal gains compared to the twin-skin contraptions this time. 
 

And yes, solid wings rock! 

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36 minutes ago, Stingray~ said:

Yes, OR achieved the highest speeds in Bermuda, even in the light-airs Match. We’ve been over all that, their ability to foil and turn as efficiently in the extreme bottom-end parts of it was where their smaller foils spelled death. That stats prove exactly that. 
 

Yes they were so fast they won a race by 10 seconds ... And lost 8 races by 5 + .... most 30 sec to 2 minutes.

The lost miserably.... 

They did not even have the right starting software up twice ....

They will always be etched on the trophy as a losing team...

Please stop ...

 

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7 minutes ago, .......................... said:

Yes they were so fast ... 

Give it up yourself... Yes, OR got waxed in that AC35 when somehow all races were at the extreme bottom-end of the wind range, while every other day of that month was much fresher. 
 

It could easily happen that weather conditions will determine the boat winner in AC36 too. We already saw it, in the PC Finals. 

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47 minutes ago, Stingray~ said:

Yes, OR achieved the highest speeds in Bermuda, even in the light-airs Match. We’ve been over all that, their ability to foil and turn as efficiently in the extreme bottom-end parts of it was where their smaller foils spelled death. That stats prove exactly that. 
 

Yes, and I bet we will see a lot tighter twin-skin rules next time, to save mega-millions spent on marginal gains compared to the twin-skin contraptions this time. 
 

And yes, solid wings rock! 

AM have the top speed of the AC75's and they lost every race and got sent packing with a big "0" on the scorecard. Top speed is irrelevant

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2 hours ago, Stingray~ said:

And yes, solid wings rock! 

No, they are ridiculous and impractical for anything larger than dinghies. It requires a hoist with a full crew to step the wing every morning and remove it every evening. How would that work during say, Big Boat Series or Cowes Week? We have all benefited from the many technological advances of the America's Cup designs over the past 170 years, but solid wings won't ever trickle down.

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1 hour ago, Stingray~ said:

Correct! But it gets headlines nevertheless.. 

so   ... yoo admit its poyntless klikbate ; so

whot's yore reezon to bring it up, agen and agen and agen, az if it matterd?

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4 minutes ago, snaerk said:
1 hour ago, Stingray~ said:

Correct! But it gets headlines nevertheless.. 

so   ... yoo admit its poyntless klikbate ; so

whot's yore reezon to bring it up, agen and agen and agen, az if it matterd?

tooshay

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On 2/27/2021 at 10:30 AM, SF Woody Sailor said:

No, they are ridiculous and impractical for anything larger than dinghies. It requires a hoist with a full crew to step the wing every morning and remove it every evening. How would that work during say, Big Boat Series or Cowes Week? We have all benefited from the many technological advances of the America's Cup designs over the past 170 years, but solid wings won't ever trickle down.

How is that different to now?

Pretty sure the C class had them first, they trickled down to the AC from there.

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On 2/26/2021 at 2:35 AM, Priscilla said:

Why not just ditch the complex and costly foiler and go 75ft skiffs.

 

Didn’t Stars and Stripes do a David and Goliath number on a gigantic (albeit keeled) skiff-ish thing?  Personally I though the mono hull was magnificent, but most people don’t agree.  How big a crew would you need on a 75 foot skiff to make it work?

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On 2/25/2021 at 5:14 AM, Terry Hollis said:

The slot in the middle is just to compensate for the poor shape you get when you bend a symmetrical foil in the middle, like when did you ever see a slot in the wing of an aircraft?

 

Landing and takeoff?  
 

But I really don’t like jibs in general, so out side of flaps, the Wright Brothers had the Right idea?

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On 2/26/2021 at 6:35 PM, Priscilla said:

Why not just ditch the complex and costly foiler and go 75ft skiffs.

 

Now there is a unique idea.

Perhaps call them something really catchy like Ultimate 30/75 or something.

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1 hour ago, The Advocate said:

Now there is a unique idea.

Perhaps call them something really catchy like Ultimate 30/75 or something.

If Ultimate 30’s morphed from 18’s, must be self righted by the crew without outside help, and keep on racing, no grinders, no stored power, sail changes allowed, crew of what, 6? 5? No upper or lower end wind range, allow Moth style mechanical wand center foil and rudder, that might be interesting.....  or just big Lake Guarda type stuff. No more than 30’ long, period, beam 40’?  No lower weight limit. No air draft limit.  Multihulls allowed.  National crews only.
 

like that would happen.......but it could cost a lot!:)

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1 hour ago, The Advocate said:

Now there is a unique idea.

Perhaps call them something really catchy like Ultimate 30/75 or something.

I'd love a go on that....:)

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Quote

The competing yachts or vessels, if of one mast, shall be not less than forty-four feet nor more than ninety feet on the load water-line

Hence AC45 is basically the smallest you can go.

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On 3/5/2021 at 10:53 PM, coercivity said:

CZ will feature in this series winds are crumping out next week.

It might make an appearance today if the race gets away in the light winds.

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I would love to see a game changing CZ, one boat with one up on the foils stowing it until the next time off the foils then hoisting and getting up again.  I think they will do it like the 18ft skiffs in Sydney. I wish I could find some video of a hoist, then of a take down.

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22 minutes ago, Stingray~ said:

I forget, can IM set a shortened course given predicted race elapsed times? 

From the RRS:

32 SHORTENING, ABANDONING OR TERMINATING AFTER THE START
32.1 The race committee may shorten a course by reducing the number of legs to a course no
fewer than four (4) legs or as specified in the sailing instructions for a Preliminary Regatta.
A shortened course will be signalled via the RO Comms and indicate the leg that the
shortened course applies to. The yachts shall finish at a finishing line between the staffs
on the gate marks that end the leg signalled.

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