WishBone Sailing Rig

[Angélique]

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I was unable to save a copy of the photos. My concern is that these 'for sale listings' disappear fairly soon, and then we have no record of the vessel's existence.

Hi Brian,

Here they are - Piic 1 - Piic 2 - Piic 3 - Piic 4 - Piic 5 - Piic 6 - Piic 7

These linked pictures will also disappear when the source goes off-line.

Some more ads^{-sroll down a bit} of this boat.

 

[Angélique]

I would also be very interested in asking the owner about his satisfaction/dis-satisfaction with the rig.

From the ad: Eero Harilainen - Helsinki - Finland - Phone = Mobile Number: 0405305594 - From Abroad: +358405305594 - / - 00358405305594

 

[Angélique]

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Eero Harilainen is also the designer of the boat ^{(Google translation)}, 11 pictures there....

 

[brian eiland]

Aftmast Design from Finland

Wow, Angélique
Thank you for that great research.

I'm thinking that the designer may not speak English,...and I don't speak Finnish.

I'm somewhat surprised that some other Scandinavian person has not brought this vessel design up before this?

 

[Angélique]

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I'm thinking that the designer may not speak English,...and I don't speak Finnish.

Maybe you could ask Teddy to do the first call to check that out . . ​

See: Dugout . . . ​

P.S. - Almost forgot , the other option is of course to ask forum member Kamelisko, of post #314, if he would be so kind to make that first call . .

 

[TeddyDiver]

Made that call and gave him a link to this discussion..

BR Teddy

 

[RHP]

Here's something to tickle you Brian:

http://www.yachtworld.co.uk/boats/1...044654/Netherlands-Antilles-(NL)#.WIC0ilN950w

Alaways amuses me how much people think their vessel is worth!

http://newimages.yachtworld.com/res...5676_1_XLARGE.jpg&w=924&h=693&t=1483970747000

 

[brian eiland]

Here's something to tickle you Brian:

http://www.yachtworld.co.uk/boats/1...044654/Netherlands-Antilles-(NL)#.WIC0ilN950w

Alaways amuses me how much people think their vessel is worth!

Almost reminds me of Capt Nemo's Nautilus, but with a sailing rig on it
I think I posted a link to that vessel somewhere in the past.

The boat from Finland is much more eloquent.

 

[RHP]

The only stand out feature of the above boat is the A frame rig, otherwise she's a monster.

 

[brian eiland]

Alternative Rigs

High Tacker, you certainly make a good case for alternative rigs.

And thanks for all those great photos and explainations. .

I don't think High Tacker is still participating in the forums,..and in fact my participation is very limited nowadays.

But I thought there was some very interesting material here that should see the light of day again.

 

[Mark Stevens]

A-Frame Rig on 'Catbird Suite'

Somehow I missed ever seeing or knowing of this vessel, but here is a gentleman who is not affraid to experiement. Just happened across this vessel this afternoon. Perhaps we'll encourage the owner to add some comments to this forum.

http://www.damsl.com/

"The rig is my idea (tested on a smaller catamaran) with engineering and construction specifications by Malcolm Tennant and Anthony Stanton of New Zealand design team Malcolm Tennant Multihull Design (tennantdesign.co.nz), who designed the boat. Dave Pope, who was a member of the Tennant team, did the original construction drawings of this boat and has contributed a lot to development of the new rig. Dave now has his own design firm and is based in Whangarei (dpd.co.nz).

The rig was completed in December, 2006. It works very well, is quite efficient upwind, is especially good reaching and running, and is easy to handle because all sails furl and there are other advantages as well........."

.....more discussions, photos, and videos

Thanks, looks like an interesting concept

 

[RHP]

Brian, I've missed your contribution as I'm sure many others have as well. I hope all's well and you'll start commenting again soon.
Richard

 

[pironiero]

So uhhh, have anyone ever fitted this type of rig on somewhat modern hull with a flat belly?

 

[brian eiland]

...posted over here,.. Multihull Structure Thoughts https://www.boatdesign.net/threads/multihull-structure-thoughts.62361/page-242#post-953100

The following catamaran is used as a floating school, education tool about the marine environment. Sea Explorer plays a fundamental role in the Association Terre Marine Ecole de la Mer, which Franck and Bourguignon set up in 2014 to contribute to sustainability in the Mediterranean. They aim to engage the public toward greater understanding and enthusiasm for marine life and more responsible behaviour. In winter, the yacht is used for scientific research and educational film projects; in summer, it welcomes the public.

Michel Frank conceived this design with naval architect Nicolas Fauroux and structural designer Rivoyre Ingénierie. Micheal had the cat shell built by professionals in France in the Lerin Islands and then he and volunteers put in 38,000 hours to complete the cat from as many second hand and or recycled items that he could find. Many companies donated previous model equipment and left over building materials to help the build be completed. The cat was completed in 2017.

The cat is 79 x 37 foot with a “displacement” of 60,500 lbs. The 90 foot A frame aluminum masts carry up to 5 genoa’s of an unknow sail area. Michel has vast sailing experience and wanted an A Frame mast so that the mast connected directly to the crucial strong points of the boat, the hulls. This would allow the boat to remain light and strong. It also allowed a proper ladder and crows nest lookout points for spotting dolphins and whales.

The draft is 4.3 foot over the hull rudder and propellers. The hulls have a flat bottom for beaching and have no keels or boards for lateral resistance. The hulls were designed to be long and thin to provide the “lateral resistance’ like a Hobie 14/16. The engine power has 2 John Deere PowerTech™ 4045TFM85 engines with direct drives for port maneuvering and emergencies. For additional motoring the cat carries lithium batteries (54 kWh used EV car battery), battery management systems, 4 x 10kW electric motors and solar charge controllers with 25kW of solar panels. The intention is to power the cat by wind and solar with minimal fossil fuels.

The accommodation is vast but the main cabin is used for education and a “lecture” hall. The catamaran is equipped with microscopes, underwater camera and aquariums covering 250 square meters (2700 square foot) spread over three decks. The hulls have the sleeping spaces, toilets and galley equipment.

The structure is basically aluminum. The multichine hull has a flat bottom and is a simple shape to build. The remaining wing deck and cabin structure is flat panels so its basically cut and weld. Simple fast shape. BUT like all big boats addition things like engines, winches, deck gear, plumbing, electrical lines etc take the same amount of time as any 79 foot cat. The reason the cat took 38,000 hours (18 years of 40 hour weeks) to build this cat. Also the comment about the A Frame mast reducing the loads and weight of the cat is only partial valid. At this size of cat to add some additional weight to strengthen the main mast carrying for a single mast is a minor addition.

The performance of the cat is moderate for 2 reasons. The owners have no reason to push the cat as it is an education tool and why sail hard with children on board who may get scared or seasick. Result the statement “typical sailing speeds of 5-7 knots”.

An interesting total concept and catamaran. The jpegs give the idea.

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[tenusiajob]

I was hoping to attach a particular overhead photo shot of Procyon, but I had trouble figuring out how to do that on this forum format, as well as a software problem on my computer that seems to want to keep me captured in their freaking format.