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New UK designed and built foiling catamaran #274257
07/29/14 02:50 AM
07/29/14 02:50 AM
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NacramanUK Offline OP
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Here are few video clips of an all new foiling catamaran prototype......it weighs in at 75kgs ready to sail and is 17'6" long with 8'beam....more info and spec coming soon .......the final production version will be around 65kgs!

Whisper catamaran

Whisper catamaran

Whisper catamaran

-- Have You Seen This? --
Re: New UK designed and built foiling catamaran [Re: NacramanUK] #274269
07/29/14 06:29 AM
07/29/14 06:29 AM
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Posts: 382
SE MI / NE IN
rehmbo Offline
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SE MI / NE IN
That's some of the most stable small-boat foiling I've seen in a long while. T-Foils with trailing wands. Interesting.


Jeff R

H18, C2 USA1193
cramsailing.com
crescentsail.com
Re: New UK designed and built foiling catamaran [Re: NacramanUK] #274272
07/29/14 07:48 AM
07/29/14 07:48 AM
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mikekrantz Offline
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looks like an A-cat with Moth foils

Re: New UK designed and built foiling catamaran [Re: mikekrantz] #274273
07/29/14 09:05 AM
07/29/14 09:05 AM
Joined: Dec 2001
Posts: 5,590
Naples, FL
waterbug_wpb Offline
Carpal Tunnel
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how far outboard do those T foils extend?

Wouldn't want to injure the crew when picking them up from the water... but as stable as that thing looked, maybe it's not an issue.


Jay

Re: New UK designed and built foiling catamaran [Re: NacramanUK] #274281
07/29/14 12:00 PM
07/29/14 12:00 PM
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Posts: 4,118
Northfield Mn
Karl_Brogger Offline
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Wow, that's pretty fricking awesome looking, looks extremely stable. I still want to see how they work around the cans though.

Is the crew sheeting the main from the top block? What would be the reasoning on that? Looks too high to be mid-boom sheeting.


I'm boatless.
Re: New UK designed and built foiling catamaran [Re: NacramanUK] #274282
07/29/14 12:57 PM
07/29/14 12:57 PM
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NacramanUK Offline OP
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From the designer builder....

" the hull is carbon sandwich with kevlar carbon aramid in impact areas.
It has a 9.5m carbon wing mast with 16 square meters of sail and a roller furling gennaker the size of which is still to be determined. the rig loads are taken through the bowsprit. the production version is a single component monocoque with stress mapped fiber layup"

More info to follow.....

Re: New UK designed and built foiling catamaran [Re: NacramanUK] #274283
07/29/14 01:04 PM
07/29/14 01:04 PM
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NacramanUK Offline OP
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Latest video.....

Whisper catamaran


Re: New UK designed and built foiling catamaran [Re: NacramanUK] #274284
07/29/14 01:07 PM
07/29/14 01:07 PM
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NacramanUK Offline OP
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And here is a video of my business partner sailing the whisper (his very first attempt at foiling!)....in bugger all wind!

Whisper

Last edited by NacramanUK; 07/29/14 01:11 PM.
Re: New UK designed and built foiling catamaran [Re: NacramanUK] #274295
07/29/14 09:13 PM
07/29/14 09:13 PM
Joined: Nov 2002
Posts: 465
FL
sail7seas Offline
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FL
Brandy Snap2 weeks ago
Whisper is a custom built 17' 9" cat being developed by Southampton Solent University as part of its foil development research. Whisper has been so successful in providing a stable easy to control platform, and there has been so much interest in the boat, that a production version is currently being designed, which will incorporate a number of modifications which will make the Whisper truly remarkable

Re: New UK designed and built foiling catamaran [Re: sail7seas] #274302
07/30/14 06:06 AM
07/30/14 06:06 AM
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South Carolina
Jake Offline
Carpal Tunnel
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I beginning to think something like this might be mainstream enough to actually be in my future.


Jake Kohl
Re: New UK designed and built foiling catamaran [Re: NacramanUK] #274306
07/30/14 07:44 AM
07/30/14 07:44 AM
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Greenville SC
bacho Offline
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I haven't watched all of the video, but do the foils retract? What's the price range?

Re: New UK designed and built foiling catamaran [Re: bacho] #274308
07/30/14 08:04 AM
07/30/14 08:04 AM
Joined: Dec 2001
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Naples, FL
waterbug_wpb Offline
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did any of them indicate a price?

Do the rudder foils move, or just the main foils?

Looks super-cool


Jay

Re: New UK designed and built foiling catamaran [Re: NacramanUK] #274309
07/30/14 09:34 AM
07/30/14 09:34 AM
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NacramanUK Offline OP
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Pricing and final production version spec coming very soon....

Re: New UK designed and built foiling catamaran [Re: NacramanUK] #274310
07/30/14 09:57 AM
07/30/14 09:57 AM
Joined: Dec 2001
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Naples, FL
waterbug_wpb Offline
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given what I saw with the AC boats, do you even need a spinnaker with a foiling cat? Maybe just a screecher?

and does it matter that much if you trap out?

Last edited by waterbug_wpb; 07/30/14 10:00 AM.

Jay

Re: New UK designed and built foiling catamaran [Re: NacramanUK] #274313
07/30/14 12:33 PM
07/30/14 12:33 PM
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NacramanUK Offline OP
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Just to clarify....
1.Boards: Fully retract flush to the the hull surface so the boat can be launched in the same depth of water as a standard displacement catamaran and have both angle of attack and ride height 'on the fly' adjustment....
2.Rudders: Fully retractable and also have 'on the fly' trim adjustment similar to a moth....
3.Sail area: Jib, main and furling gennaker (which hasn't been required so far as it has such a early take of speed) final sail area is being finalised based on the current daily sea trials....
4.Platform construction:The hulls and beams will be a monocoque style construction on the final production boat....
5.Delivery: The first production boats will be ready for delivery in January 2015........
6.Pricing: The final retail price will be decided in the next 3 to 4 weeks but do believe interested parties will be very very pleasantly surprised.....

Last edited by NacramanUK; 07/30/14 12:38 PM.
Re: New UK designed and built foiling catamaran [Re: NacramanUK] #274314
07/30/14 02:31 PM
07/30/14 02:31 PM
Joined: Aug 2011
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Greenville SC
bacho Offline
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What about crew weight?

Re: New UK designed and built foiling catamaran [Re: bacho] #274315
07/30/14 02:42 PM
07/30/14 02:42 PM
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NacramanUK Offline OP
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Originally Posted by bacho
What about crew weight?


combined crew weight around 150/160kg

Last edited by NacramanUK; 07/30/14 02:42 PM.
Re: New UK designed and built foiling catamaran [Re: NacramanUK] #274317
07/30/14 07:32 PM
07/30/14 07:32 PM
Joined: Feb 2005
Posts: 4,118
Northfield Mn
Karl_Brogger Offline
Carpal Tunnel
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singlehand? (I don't have any friends)


I'm boatless.
Re: New UK designed and built foiling catamaran [Re: Jake] #274318
07/30/14 07:33 PM
07/30/14 07:33 PM
Joined: Feb 2005
Posts: 4,118
Northfield Mn
Karl_Brogger Offline
Carpal Tunnel
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Originally Posted by Jake
I beginning to think something like this might be mainstream enough to actually be in my future.



Sweet baby jeebus, somebody go check on whether the Nile has turned to blood or if any other Biblical plagues have popped up! laugh


I'm boatless.
Re: New UK designed and built foiling catamaran [Re: Karl_Brogger] #274320
07/30/14 09:25 PM
07/30/14 09:25 PM
Joined: Sep 2002
Posts: 3,224
Roanoke Island ,N.C.
Team_Cat_Fever Offline
Carpal Tunnel
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Originally Posted by Karl_Brogger
singlehand? (I don't have any friends)


You will if you buy that.


"I said, now, I said ,pay attention boy!"

The cure for anything is salt water - sweat, tears, or the sea
Isak Dinesen
If a man is to be obsessed by something.... I suppose a boat is as good as anything... perhaps a bit better than most.
E. B. White
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