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Old 05-18-2013
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Jpk 38

Quote:
Originally Posted by robelz View Post
I am a little bit confused: Will JPK deliver the 38 FC as a twin keel like they say on there homepage (http://www.jpk.fr/?titre=jpk-38-fast...ier_jpk&id=440 "bi quille") or with a pivoting keel like they say in the PDF (http://www.jpk.fr/modules/kameleon/u...if_38-GB.pdf)?
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Sorry, I had given you a wrong information, or at least it is now a wrong one. JPK has abandoned the twin keel concept on the 38. They will have it with a monoquille and with a swing keel. They had actualized the information in their site, with more pictures too.

They have very good information about the boat but only in French. I will offer you a translation:

JPK FAST CRUISER 38: THE ..JPK 38 REUNITES THE CUMULATIVE EXPERIENCE OF OFFSHORE RACING, THE CRUISING EXPERIENCE AND A DESIRE TO TRAVEL COMBINING THE PLEASURE OF SAILING THE QUALITY OF LIFE ON BOARD AND SAFETY.

Many boats are on the market but none of them really combines all these qualities:

There are boats with a good cruising interior but with a hull limited by weight resulting in a diminished sailing pleasure and an offshore seaworthiness not entirely convincing. And also boats very light, with a minimalist interior and a open type of hull but not tolerant about the overload inherent to offshore cruising. They have very flat hull sections that will be very uncomfortable going close to the wind in a seaway.

The JPK 38 FC measure 11.38 meters to 4 meters wide. It is an ideal size in our opinion in what regards simple management of navigation and boat maintenance.

The sail areas will generate little effort and are easily to handle. They are complemented with a gennaker or a code 0 on a retractable carbon bowsprit, allowing an uncluttered front deck. Bow thruster and electric winch remain unnecessary comfort options.

Jacques Valer is one of the few architects that know how to draw sailboats of different types, but always with an incidence on the seaworthiness. Some examples are the 960 offshore racer, the Class 40, the JPK 1010( IRC championin 2010 in all classes) and the 998 Day Sailor, these hulls are known to be models of balance and versatility.

We considered having this boat made on the hull mold of JPK Class 40 , it would be easier and less expensive but Jacques Valer immediately felt that it was impossible to achieve a true "good cruise sailingboat" by exploiting the mold of a boat designed to weigh 4500 kg 
 when in Version cruise we would need 5500 kg.

The JPK 38 FC is a synthesis between an "open" planing boat and a "displacement" boat. A beamy and powerful hull but with the frontal sections deep enough for a good wave passage and a deeper central hull, accepting the overload needed for voyaging.

The result is a stable boat capable of sailing at a very high average speed in all sea conditions. The super careful construction in infused sandwich allows a large hull volume for a light displacement of 5 T, despite a substantial ballast of 1900 kg in the deep keel version.

The low weight is the key factor on all the architecture of the boat is based. The objective is to obtain a sufficiently rigid and fast hull to quickly exceed hull speed without dragging water even under load. A boat that will be fast upwind, downwind and in light winds.

The 10 years of experience building our six models, often "race" oriented, allows us to be very precise and safe in what regards quality of construction and solidity.
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The hull, deck and interior structure elements are made like those of a Class 40 racing boat with a 20 mm sandwich balsa and light Airex Quadriaxial with fabrics and cloths UD (unidirectonnelles) in all areas of effort. Vnylester resins and infusion are used as building technique.

.....

As an option the boat can have a swinging keel;

Considered too penalizing in terms of weight (total weight plus 200 kg) and drag the twin keel version was finally abandoned in favor of a swinging keel.

For the ones that want the best in what regards sheltered anchorage and dream to voyage to the "end of the world" we have developed our swinging keel that allows to vary the draft from 2.70 m to 1.35 m.


The keel foil is made of an infused composite web and the bulbed part is lead. It provides a RM similar to the one of the fixed keel with an estimate overall weight slightly lower. The necessary interior arrangements regarding the lifting mechanism don't interfere with the habitability.

In summary, the JPK 38 FC is a true synthesis of a modern voyage boat: Convivial, easy, seaworthy and very fast.


http://www.jpk.fr/?titre=jpk-38-fast...ier_jpk&id=440

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Last edited by PCP; 05-18-2013 at 05:59 PM.
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