J/125

Main

Appendages
Fin w/bulb & spade rudder
Construction
FG/Carbon/composite
First built hull
1997
Hull type
Monohull
Last built hull
2003
Model
3GM30C
Sailboat builder
J Boats Tillotson Pearson
Sailboat designer
Johnstone

Dimensions

Ballast Type
Lead
Ballast weight
2107.0
Beam
3.23
Displacement
3787.0
Draft
2.41
Max Draft
2.41
Overall length
12.5
Waterline length
11.28

Sails

E
5.49
Est. Forestay Length
15.6
Fore area
33.69
I
14.94
J
4.51
Mainsail area
38.04
P
13.87
Total area
71.72

Engine

Engine(s) power
30.0
Engines amount
1
Fuel tank capacity
76.0
Fuel type
Diesel
Make
Yanmar

Performance

Ballast ratio
55.64
Capsize Screening Formula
2.09
Comfort Ratio
14.56
Critical hull speed
8.15
Displacement-length ratio (DLR)
73.59
Upwind sail area to displacement
30.11

Accomodation

Freshwater tank capacity
83
The J/125 is a high-performance sailing yacht designed and built by J/Boats, a renowned American sailboat manufacturer. It is a sleek and powerful racing boat that combines speed, comfort, and ease of handling.

Here are some key features and characteristics of the J/125:

1. Design: The J/125 was designed by Rod Johnstone, the founder of J/Boats, and it incorporates the latest advancements in yacht design and technology. It features a modern hull shape with a plumb bow, a wide stern, and a low-profile deck.

2. Length and Dimensions: The J/125 has an overall length of 41.5 feet (12.6 meters) and a waterline length of 36.5 feet (11.1 meters). It has a beam (width) of 12.5 feet (3.8 meters) and a draft (depth) of 9.5 feet (2.9 meters). The displacement (weight) of the boat is approximately 12,000 kilograms.

3. Performance: The J/125 is designed for speed and performance. It features a powerful sail plan with a large mainsail and a generous foretriangle, allowing for excellent upwind and downwind performance. The boat is known for its ability to sail at high speeds, even in light wind conditions.

4. Construction: The J/125 is built using advanced composite construction techniques, combining a lightweight and stiff hull with a carbon fiber mast and boom. This construction method ensures strength, durability, and optimal performance.

5. Interior: While primarily designed for racing, the J/125 also offers a comfortable and functional interior. It can accommodate a small crew for overnight or extended cruising, with basic amenities such as a galley, a head (bathroom), and sleeping berths.

6. Crew Size: The J/125 is typically sailed with a crew of 8-10 people, including a helmsman, trimmers, and pit crew. The boat is designed to be easily handled by a small team, thanks to its efficient deck layout and user-friendly systems.

7. Racing Success: The J/125 has achieved significant success in offshore racing events around the world. It has proven to be a competitive boat in both inshore and offshore races, including long-distance races like the Transpac and the Fastnet Race.

Overall, the J/125 is a high-performance sailing yacht that offers thrilling speed and excellent handling characteristics. It is a popular choice for sailors who seek a combination of racing performance and cruising comfort.

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