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Re: Mitch Booth's upwind gennaker... [Re: Mary] #150213
07/24/08 09:16 AM
07/24/08 09:16 AM
Joined: Mar 2005
Posts: 160
claus Offline
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Its new on the Tornado and what it makes it interesting is that it shows up at the olympics I guess (and that not all teams have it).

Last edited by claus; 07/24/08 09:17 AM.
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Re: Mitch Booth's upwind gennaker... [Re: Mary] #150214
07/24/08 09:51 AM
07/24/08 09:51 AM
Joined: Jun 2006
Posts: 308
Reno NV
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Rhino1302 Offline
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There is nothing new about this kind of sail, is there? It has been standard on big monohulls for many, many years. It's called a genoa jib. It is just relatively new on small multihulls. Right?


Snuffing it seems to be a new twist.

Re: Mitch Booth's upwind gennaker... [Re: Rhino1302] #150215
07/24/08 12:42 PM
07/24/08 12:42 PM
Joined: Feb 2004
Posts: 3,528
Looking for a Job, I got credi...
scooby_simon Offline
Hull Flying, Snow Sliding....
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Quote
There is nothing new about this kind of sail, is there? It has been standard on big monohulls for many, many years. It's called a genoa jib. It is just relatively new on small multihulls. Right?


Snuffing it seems to be a new twist.


Reg and Rob White had a bagable code zero on their Hurricane 6.5's about 15 years ago. This is nothing new.


F16 - GBR 553 - SOLD

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Re: Mitch Booth's upwind gennaker... [Re: Mark Schneider] #150216
07/24/08 04:04 PM
07/24/08 04:04 PM
Joined: Nov 2003
Posts: 749
Santa Cruz, CA
SurfCityRacing Offline
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All of this complaining... FINE! NOBODY wears a swim suit...

Would have made it a point to watch the trials then!


Given certain hydrodynamic properties and analyzing the 'foil cross sctions'... Who'd you think would be faster men or women in the above scenario? <img src="http://www.catsailor.com/forums/images/graemlins/grin.gif" alt="" />

J

Re: Mitch Booth's upwind gennaker... [Re: SurfCityRacing] #150217
07/24/08 04:13 PM
07/24/08 04:13 PM
Joined: Jul 2006
Posts: 549
Knokke-Heist - Belgium
Gilo Offline
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When do they have to decide which set of sails they will be used during the games?

Gill


Falcon F16 - BEL666
Boats: TheBoatShop.be
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Re: Mitch Booth's upwind gennaker... [Re: Gilo] #150218
07/24/08 04:21 PM
07/24/08 04:21 PM
Joined: Jul 2001
Posts: 1,200
Vancouver, BC
Tornado Offline
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Typically, measurement day is the day before a regatta begins...so all sails are declared and given an authorization stamp...but not sure how they run the Olympic event.


Mike Dobbs
Tornado CAN 99 "Full Tilt"
Re: Mitch Booth's upwind gennaker... [Re: dacarls] #150219
07/24/08 06:40 PM
07/24/08 06:40 PM
Joined: Jul 2006
Posts: 1,147
Bay of Islands, NZ
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warbird Offline
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(Again in my opinion it's one of those issues that ISAF just knows that members of the Tornado class will be pushing the rules and one of the reasons it does not like the Tornado class) ....
ISAF officials don't like those pushing the envelope? Like the world-class Olympic swimmers, track and field (etc.) competitors who continually discover fancy new drugs to be investigated and banned? Now superlight Yinglings? Who ever thought that light boats have an advantage? DUH!

If the multihulls in this week's light-air Chicago-Mac race had hooters they may have stayed much closer to the 90 footers. Yesterday I accidently met a slug racer who was returning home to Traverse City. They saw my 2003 Rick's Place/Hogsbreath T-shirt and asked what that and CABB was. I explained sadly about Rick's Place. 8^( Unprovoked, the fine gentleman then explained that catamarans aren't really sailboats, besides, they don't go upwind. And I had to reply "Yup- and they don't sink".


I would suppose one could see Captain James Cook as a sailor...just.
his observations of the Tahitian multis in his journals are interesting.

He saw them and very fast and maneuverable vessels. Strangely he did not get into any other ideas about "real" or not. Perhaps the chap meant that multis do not point....but we all know, it is not good enough to just point at something...at some stage one must get there, so who might be first?

Re: Mitch Booth's upwind gennaker... [Re: Rhino1302] #150220
07/24/08 06:44 PM
07/24/08 06:44 PM
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Posts: 1,147
Bay of Islands, NZ
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warbird Offline
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Bay of Islands, NZ
Quote
Quote
There is nothing new about this kind of sail, is there? It has been standard on big monohulls for many, many years. It's called a genoa jib. It is just relatively new on small multihulls. Right?


Snuffing it seems to be a new twist.


I am often surprised by the inability of mono/multi to see the wood and take ideas from each other more quickly.
I notice the X40s furl and drop their reacher....why not do that as they will have already done the math?

Re: Mitch Booth's upwind gennaker... [Re: warbird] #150221
07/24/08 08:17 PM
07/24/08 08:17 PM
Joined: Aug 2001
Posts: 1,307
Asuncion, Paraguay
Luiz Offline
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Asuncion, Paraguay
Quote
Quote
Quote
There is nothing new about this kind of sail, is there? It has been standard on big monohulls for many, many years. It's called a genoa jib. It is just relatively new on small multihulls. Right?


Snuffing it seems to be a new twist.


I am often surprised by the inability of mono/multi to see the wood and take ideas from each other more quickly.
I notice the X40s furl and drop their reacher....why not do that as they will have already done the math?


I don't think they did any math. Over 400 square feet sail area one can't use a snuffer, so it is easier and faster to furl and drop.


Luiz
Re: Mitch Booth's upwind gennaker... [Re: Luiz] #150222
07/24/08 09:06 PM
07/24/08 09:06 PM
Joined: Jul 2006
Posts: 1,147
Bay of Islands, NZ
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warbird Offline
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Bay of Islands, NZ


I don't think they did any math. Over 400 square feet sail area one can't use a snuffer, so it is easier and faster to furl and drop. [/quote]

400 square feet? that's tiny on a boat that big.... New boat design for a big sailing circus and nobody does any math....? Really, are you have a grumpy day?

Like I said, the Tornado might be a lot better off furling and dropping for windage alone....having said that, maybe the snuffer allows more variety in sail.

Re: Mitch Booth's upwind gennaker... [Re: warbird] #150223
07/25/08 06:47 AM
07/25/08 06:47 AM
Joined: Jun 2001
Posts: 12,310
South Carolina
Jake Offline
Carpal Tunnel
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Posts: 12,310
South Carolina
I think it's a matter of time. Snuffing a sail is pretty fast compared to furling, dropping, and getting it controlled somehow on the trampoline. When you have a huge sail, this is about your only option (and much easier on the sail) and most of these big boats have 6 or more people on board to handle it. On the Tornado, minimal fuss and speed are critical so they're probably better off snuffing it.


Jake Kohl
Re: Mitch Booth's upwind gennaker... [Re: warbird] #150224
07/25/08 07:17 AM
07/25/08 07:17 AM
Joined: Jun 2001
Posts: 454
Syracuse, NY Hobie Fleet 204
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Tom Korz Offline
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Quote
b]If the multihulls in this week's light-air Chicago-Mac race had hooters they may have stayed much closer to the 90 footers.[/b]


I would strongly disagree with this.

I raced the Mac on a boat with a Code Zero or basically a roller furling headsail that was designed for downind sailing, a hooter.

We were severely handicapped in dead down situations. We used every technique and angle that we could think of and were getting crushed by smaller boats (multis) that could sail lower angles and carry the apparent wind lower. We also gave up alot of distance and angle to leaners (monohulls) who would just put up a cloud of a spin pull the pole back and go nearly DFW.

The sail did have its window & conditions, but for pure downwind sailing I I would not want it as my ONLY option.

Re: Mitch Booth's upwind gennaker... [Re: Tom Korz] #150225
07/25/08 09:37 AM
07/25/08 09:37 AM
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Posts: 805
Gainesville, FL 32607 USA
dacarls Offline
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Re Korz comments: From the beach, website, and looking at weather reports it looked like light headwinds were present all of day 1, and it appeared that is when the big leaners got way ahead of the multi fleet. This suggested that proper Hooters (code 0) on a close reach would work to weather for multis.
On the water, the reality was?


Dacarls:
A-class USA 196, USA 21, H18, H16
"Nothing that's any good works by itself. You got to make the damn thing work"- Thomas Edison
Re: Mitch Booth's upwind gennaker... [Re: SurfCityRacing] #150226
07/25/08 09:54 AM
07/25/08 09:54 AM
Joined: Jun 2006
Posts: 431
Netherlands
DennisMe Offline
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Netherlands
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All of this complaining... FINE! NOBODY wears a swim suit...

Would have made it a point to watch the trials then!


Given certain hydrodynamic properties and analyzing the 'foil cross sctions'... Who'd you think would be faster men or women in the above scenario? <img src="http://www.catsailor.com/forums/images/graemlins/grin.gif" alt="" />

J


That's banana boards vs hull lift... Tough call!

Re: Mitch Booth's upwind gennaker... [Re: SurfCityRacing] #150227
07/25/08 01:35 PM
07/25/08 01:35 PM
Joined: Aug 2006
Posts: 182
Appleton, WI
blockp Offline
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Posts: 182
Appleton, WI
Quote
Quote

All of this complaining... FINE! NOBODY wears a swim suit...

Given certain hydrodynamic properties and analyzing the 'foil cross sctions'... Who'd you think would be faster men or women in the above scenario? <img src="http://www.catsailor.com/forums/images/graemlins/grin.gif" alt="" />
J


Extremely dependent on the water temperature.

Re: Mitch Booth's upwind gennaker... [Re: DennisMe] #150228
07/25/08 03:11 PM
07/25/08 03:11 PM
Joined: Jul 2006
Posts: 1,147
Bay of Islands, NZ
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warbird Offline
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Bay of Islands, NZ
Quote
Quote
Quote

All of this complaining... FINE! NOBODY wears a swim suit...

Would have made it a point to watch the trials then!


Given certain hydrodynamic properties and analyzing the 'foil cross sctions'... Who'd you think would be faster men or women in the above scenario? <img src="http://www.catsailor.com/forums/images/graemlins/grin.gif" alt="" />

J


That's banana boards vs hull lift... Tough call!


Are we taking buoyancy into account?

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