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Re: Hi speed V hulls, advice please. [Re: Mary] #131426
02/15/08 02:43 AM
02/15/08 02:43 AM
Joined: Jul 2006
Posts: 1,147
Bay of Islands, NZ
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warbird Offline OP
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warbird  Offline OP
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Bay of Islands, NZ
Mary, I have sailed on of these at over 20 knots on an even keel, quiet, not having to trim sheet much and when the gusts came it just went faster..no healing, no pitching, just like on a speed boat. A safe accelerating feeling. No bow wave at all. the spray starting two feet from the back of the boat. I will get photos of it in action.
Also, my Paper Tiger, its baby brother, planed easily up wind and down.
The PT had to be trimmed with traveler out and sail flat. The photo shows me forward on tramp, inboard and un-pressured, achieving good speed in less than fifteen knot winds. The boat is even keeled and with a little more wind I could at this point move back to keep the nose up windward side down and start planing.

.

Attached Files
133364-IMG_2634.JPG (170 downloads)
-- Have You Seen This? --
Re: Hi speed V hulls, advice please. [Re: warbird] #131427
02/15/08 07:06 AM
02/15/08 07:06 AM

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Anonymous
Unregistered
Anonymous
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Anyone else have a problem with the attachment? I get a 404 Not Found.

Re: Hi speed V hulls, advice please. [Re: ] #131428
02/15/08 08:53 AM
02/15/08 08:53 AM
Joined: Apr 2005
Posts: 473
Panama City, Florida
Redtwin Offline
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Redtwin  Offline
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Panama City, Florida
Me too.


Rob V. Nacra 5.2 Panama City
Re: Hi speed V hulls, advice please. [Re: Redtwin] #131429
02/15/08 01:42 PM
02/15/08 01:42 PM
Joined: Jul 2006
Posts: 1,147
Bay of Islands, NZ
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warbird Offline OP
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Bay of Islands, NZ
try this

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133470-IMG_2634.JPG (128 downloads)
Re: Hi speed V hulls, advice please. [Re: warbird] #131430
02/15/08 03:42 PM
02/15/08 03:42 PM
Joined: Apr 2005
Posts: 473
Panama City, Florida
Redtwin Offline
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Redtwin  Offline
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Joined: Apr 2005
Posts: 473
Panama City, Florida
Same error.


Rob V. Nacra 5.2 Panama City
Re: Hi speed V hulls, advice please. [Re: Redtwin] #131431
02/15/08 04:01 PM
02/15/08 04:01 PM

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Ditto. Warbird, do you see it?

Re: Hi speed V hulls, advice please. [Re: ] #131432
02/20/08 05:04 AM
02/20/08 05:04 AM
Joined: Jul 2006
Posts: 1,147
Bay of Islands, NZ
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warbird Offline OP
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warbird  Offline OP
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Bay of Islands, NZ
Sorry, I have been away for several days. I do not know why the photo is not loading. I will ask my geek mate.

Re: Hi speed V hulls, advice please. [Re: warbird] #131433
02/26/08 06:21 PM
02/26/08 06:21 PM
Joined: Jul 2006
Posts: 1,147
Bay of Islands, NZ
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warbird Offline OP
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Bay of Islands, NZ
Another attempt at attachment.

So, please check what I was saying about this photo being just before the boat speed starts to create true planing.

Attached Files
135128-IMG_2634-copy1.jpg (129 downloads)
Last edited by warbird; 02/26/08 06:23 PM.
Re: Hi speed V hulls, advice please. [Re: warbird] #131434
02/26/08 08:06 PM
02/26/08 08:06 PM
Joined: Sep 2007
Posts: 531
Lake Murray SC
FasterDamnit Offline
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Lake Murray SC
That one worked. Great action shot!


Race cheap, race faster, Damnit!

E-Scow
24' ULDB

18HT hulls plus Gcat 5.7 rig = 18GT!
Re: Hi speed V hulls, advice please. [Re: warbird] #131435
03/01/08 12:09 AM
03/01/08 12:09 AM
Joined: Jul 2006
Posts: 1,147
Bay of Islands, NZ
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warbird Offline OP
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Joined: Jul 2006
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Bay of Islands, NZ
Regarding planing and speed and second time out.
I sailed again in 5/15 knot winds. The jib is now setting well enough.
The boat plained easily up wind with the bows out and the spray starting well aft of main beam. In my Nacra the spray would be climbing the leading edge of my bow and fanning in an arc the full length of the boat.
On a med reach she planed effortlessly and was extremely predictable and controllable while hiking, not trapping.
Spray on reach often starting well rear of main beam.
At the same speed in the same conditions my Nacra 14sq would be starting to nose down and I would be working hard, looking at nose and ready for pitching in surges. The Tiger Shark was never pushed to pitch and was seeminly much faster than the Nacra.

I now believe the Tiger Shark never had enough buoyancy for a high rig twin trap boat. It is sailing very well as a single hander and I will now set the trapeze up for up wind.

I ran into an Olympic sailor and designer out in the Bay a few weeks ago and I had sent him the image of my rig.
His name is Murray Ross and the boat in the picture is his all carbon design Isis.
It turned out he was out there yesterday and watching me through glasses. He rang to say the boat was going very fast and looking good.
I am going out on Isis for a blast with him to shoot the breeze about cat design and will get more details about how the boat was riding.

Attached Files
135731-m_ross_13_bt.jpg (48 downloads)
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