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post #6221 of 6763 Old 02-20-2014
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Re: Sad Images

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That wreck was maintained afloat by the system devised to make it unsinkable, even broken in two and pushed down by almost 4 T of ballast...
it must have broken in at least 3 pieces...
there is the rather large middle part from the forward bulkhead to the keel and maststep area missing in your images...
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post #6222 of 6763 Old 02-20-2014
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Re: Interesting Sailboats

The 10.80 is in the water:
JPK
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post #6223 of 6763 Old 02-20-2014 Thread Starter
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Re: Sad Images

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it must have broken in at least 3 pieces...
there is the rather large middle part from the forward bulkhead to the keel and maststep area missing in your images...
Yes you are right. There is a piece missing and that was the piece where the boat broke, I mean the junction of that piece with the main hull. The bow broke later under the action of a week of stormy weather.

Regards

Paulo


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post #6224 of 6763 Old 02-20-2014 Thread Starter
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VX one

This is one of the most interesting small boat racers coming on the American Market. The boat comes after the Viper 640 designed by Brian Bennett, much similar in design criteria to the 10 year old Open 5.70 and Open 7.50 by Finot. The objective is almost the same even if the boa has some differences, being the Finot boats more pointed to easiness and short crew racing, even solo with better offshore potential.

The relatively new VX one corresponds to the Open 5.0 and points to a more accessible and less expensive boat, an initiation boat but also a fast one.

The hull design proved to be a great one and there is a lot of noise about who is responsible for that hull that is many times incorrectly fully attributed to Bennett himself. Putting the record straight: "The VX team includes lead design and concepts by Viper 640 designer, Brian Bennett, naval architecture and design engineering by Ross Weene and Rodger Martin"

That of course if it makes clear that the lead was from Bennett (following a simplified Viper concept) does not say who actually designed that hull that is very different from the one from the Viper, a hull here chines have an important role.

The Ker type of transom and hull on the 640 with absence of chines allows the boat to sail with heel taking advantage of all hull surface giving a max RM at considerable heel, coming not only from hull form stability but from the 84kg of ballast and weight of the crew on the rail.





VIPER 640 sailboat specifications and details on sailboatdata.com

On the VX one even if the boat has a not very different B/D ratio, for a similar keel, the hull is designed to provide max hull form stability at a much lower angle.





VX ONE-DESIGN sailboat specifications and details on sailboatdata.com

In fact very different approaches and while on the Viper that would provide a better upwind performance, on the VX one that approach should provide an easier and faster downwind performance.

The downwind performance potential is evident on these videos:





Brian Bennett says about the boat:

“Designer Brian Bennett says the idea behind the VX One Design was to build the fastest possible sportboat …while delivering serious value for your money. If you’re familiar with the Volvo Open 70 class, you’ll recognize the similarities: a nearly plumb bow, carbon-fiber spars, chines that run from the transom to the bow section, a flat-top mainsail and a surfing-friendly undercarriage.”

Regarding the hull, if it has some similarities with the VOR ones it as also some differences in what regards chines and their use. In fact the chines on the VOR allows for a much bigger heel upwind before coming into action:





More like the ones on an Open 60 even if on the VX one they seem more extreme in what regards the heel angle where they become effective, with very little heel:



Anyway the boat seems to sail at least reasonably well upwind:

from Onne van der Wal on Vimeo.





I would love to hear about sailors with experience sailing the VX one regarding upwind performance and if they have also experience in the Viper, about the comparative performance.


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Last edited by PCP; 02-20-2014 at 11:05 AM.
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post #6225 of 6763 Old 02-20-2014 Thread Starter
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Jpk 10.80

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Originally Posted by robelz View Post
The 10.80 is in the water:
JPK
WOW!!!!! What a difference regarding the Sunfast, I mean the cruising interior a Beautiful one. This one is not only a racer but also a performance cruiser.







Very nice hull. It seems very well balanced between upwind, downwind, crewed and solo sailing performance.
This one has a IRC keel. I bet they will change the keel for the Transquadra. That story about the keels is plain dumb. Can't they find a way to stop that in what regards rating? Why the hell have the boats to come with less efficient keels to have a better rating regarding performance?















That forward view from the interior does not seem odd. I confess I had some doubts about that, in what regards the interior and it seems functional too giving a forward view and that is very important for long range solo sailing.


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Last edited by PCP; 02-20-2014 at 01:27 PM.
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post #6226 of 6763 Old 02-20-2014
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Re: Jpk 10.80

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That forward view from the interior does not seem odd. I confess I had some doubts about that, in what regards the interior and it seems functional too giving a forward view and that is very important for long range solo sailing.
Paulo -

That design also enables them to run the transverse jib track further inboard, making for a very tight sheeting angle upwind, something we've seen evolve in the TP52 class. The alternative would be to use a floating system, as the Minis and some other classes are doing, but that involves a few more control lines. And since this boat is using only non-overlapping headsails, it's probably a good decision.

As you mention, it's also nice to have the forward view from down below, if only for checking jib / spi trim.

Truly a gorgeous boat and I love the interior. This one is going to win some races, without doubt.

We deal in lead, friend.
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Re: Interesting Sailboats

WOW!!! the JPK 1080 looks great-very similar to there 38FC, great cockpit with center tiller steering, traveler in back of boat, view of the outside world from down below...
It has every thing and more compared to the Sunfast 3600 and Pogo 30.
Gotta do something with that keel.
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Re: Rm 890

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... you don't sail these boat like I sail mine going upwind with less than 30 apparent wind but with a bigger angle because these boats, with their huge power, go much faster a bit more out of the wind and can compensate that way in VMG. In the end you take waves at a much better angle and that will also allow for less pounding than if you took then really hard on the wind.
I fully agree. Also for the Pogo 12.50, less pointing results in an equal upwind VMG but most importantly in a much more comfortable behaviour.

Best regards,

Eric
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post #6229 of 6763 Old 02-20-2014 Thread Starter
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Onne van der Wal

Some more videos: Pure beauty

from Onne van der Wal on Vimeo.



from Onne van der Wal on Vimeo.



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post #6230 of 6763 Old 02-21-2014 Thread Starter
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Extreme sailing series: Match 1 Singapore

They are back, better then ever, 12 boats full of great sailors and some super stars: The British Ben Ainsley, the French Franck Cammas and the Kiwi Dean Barker among several Olympic Gold medalists will give an idea of the really top sailing level:



The races started and are going on in Singapore. By now the standing after 12 races are:

First the Swiss from Alinghi followed by Dean Barker and Emirates team NZ then Realstone another Swiss boat, Ben Ainsley and the British from JP Morgan team, and in 5th Franck Cammas and the French from Groupama. Alinghi leads with a comfortable advantage but the the 4 that follow are really very close in points.

If you want to follow one from there start looking after minute 39. That's were the interesting stuff is



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