J/39

Main

Appendages
Fin w/spade rudder
Construction
FG
First built hull
1989
Hull type
Monohull
Last built hull
1997
Model
3GM30
Sailboat builder
J Boats Tillotson Pearson
Sailboat designer
Johnstone

Dimensions

Ballast Type
Lead
Ballast weight
2676.0
Beam
3.79
Displacement
5851.0
Draft
2.21
Max Draft
2.21
Overall length
12.02
Waterline length
9.91

Sails

E
4.97
Est. Forestay Length
16.98
Fore area
38.52
I
16.31
J
4.72
Mainsail area
35.74
P
14.39
Total area
74.23

Engine

Engine(s) power
27.0
Engines amount
1
Fuel type
Diesel
Make
Yanmar

Performance

Ballast ratio
45.74
Capsize Screening Formula
2.12
Comfort Ratio
20.12
Critical hull speed
7.64
Displacement-length ratio (DLR)
167.76
Upwind sail area to displacement
23.32

Accomodation

The J/39 is a sailing boat designed and built by J/Boats, a renowned American sailboat manufacturer. It was first introduced in 1986 and quickly gained popularity among sailors for its performance-oriented design and versatility.

The J/39 is a 39-foot (11.9 meters) sailboat that falls into the category of cruiser-racers. It is designed to be fast and competitive on the racecourse while also providing comfortable accommodations for cruising. The boat's hull shape and sail plan are optimized for speed and efficiency, allowing it to excel in a wide range of wind conditions.

One of the key features of the J/39 is its lightweight construction. The boat is built using a composite construction method, combining a fiberglass hull with a balsa wood core for added strength and stiffness. This lightweight construction allows the boat to be easily driven through the water, resulting in excellent upwind performance and responsiveness.

The J/39 features a spacious and well-designed interior layout, making it suitable for extended cruising or weekend getaways. It typically has a comfortable saloon with a dining area, a well-equipped galley, and a navigation station. The boat can accommodate a crew of up to six people in its two private cabins and convertible settee in the saloon.

In terms of sailing performance, the J/39 is known for its speed and agility. It has a tall, fractional rig with a large mainsail and a smaller headsail, allowing for easy sail handling and efficient upwind sailing. The boat's deep keel and balanced rudder provide excellent stability and control, making it a joy to sail in various conditions.

Overall, the J/39 is a well-regarded sailing boat that offers a great balance between performance and comfort. It is a popular choice for sailors who enjoy both racing and cruising, as it combines speed and agility with comfortable accommodations.

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