FOUR 21

Main

Appendages
Twin Keel
Construction
FG
First built hull
1964
Hull type
Monohull
Model
FOUR 21
Sailboat builder
Sailboat designer
John Powell

Dimensions

Ballast weight
510.0
Beam
2.21
Displacement
1626.0
Draft
0.76
Max Draft
0.76
Overall length
6.55
Waterline length
5.94

Sails

Engine

Fuel type
Diesel

Performance

Ballast ratio
31.39
Capsize Screening Formula
1.9
Comfort Ratio
19.68
Critical hull speed
5.92
Displacement-length ratio (DLR)
215.78

Accomodation

The FOUR 21 sailing boat is a popular and versatile sailboat designed for both racing and cruising. Here are some key features and characteristics of the FOUR 21:

1. Design: The FOUR 21 is a modern, high-performance sailboat designed by renowned naval architect, Groupe Finot. It features a sleek and streamlined hull design, optimized for speed and stability.

2. Size and Dimensions: The FOUR 21 has an overall length of approximately 21 feet (6.4 meters) and a beam (width) of around 8 feet (2.4 meters). It typically has a draft (the depth of the boat below the waterline) of about 4 feet (1.2 meters).

3. Construction: The boat is constructed using high-quality materials such as fiberglass, ensuring durability and strength. It is built to withstand various weather conditions and rough seas.

4. Sailing Performance: The FOUR 21 is known for its excellent sailing performance. It has a large sail area-to-weight ratio, allowing it to achieve high speeds and maneuverability. The boat is designed to be easily handled by a small crew or even single-handedly.

5. Rigging: The FOUR 21 usually features a fractional rig, which means that the forestay (the wire or rope that supports the mast) does not reach the top of the mast. This rigging configuration allows for better control and adjustment of the sails, enhancing the boat's performance.

6. Accommodation: While primarily designed for racing, the FOUR 21 also offers basic accommodation for cruising. It typically has a small cabin with berths (sleeping areas) for two to four people, a compact galley (kitchenette), and a basic head (bathroom).

7. Class Association: The FOUR 21 is often associated with the International Four Twenty One Class Association (IFCA). This association promotes racing events, provides technical support, and fosters a community of sailors passionate about the FOUR 21.

Overall, the FOUR 21 sailing boat is a versatile and well-designed vessel suitable for both competitive racing and enjoyable cruising experiences.

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