SIGMA 400

Main

Appendages
Fin w/spade rudder
Construction
FG
First built hull
1990
Hull type
Monohull
Model
Prima
Sailboat builder
Marine Projects Ltd
Sailboat designer
Rob Humphries

Dimensions

Ballast weight
3200.0
Beam
3.89
Displacement
8618.0
Draft
2.29
Max Draft
2.29
Overall length
12.27
Waterline length
10.16

Sails

E
5.7
Est. Forestay Length
15.55
Fore area
32.35
I
14.94
J
4.33
Mainsail area
45.03
P
15.8
Total area
77.39

Engine

Engine(s) power
34.0
Engines amount
1
Fuel type
Diesel
Make
Perkins

Performance

Ballast ratio
37.13
Capsize Screening Formula
1.92
Comfort Ratio
27.92
Critical hull speed
7.74
Displacement-length ratio (DLR)
229.09
Upwind sail area to displacement
18.79

Accomodation

The SIGMA 400 is a sailing boat designed and built by Sigma Yachts, a British yacht manufacturer. It is a performance cruiser-racer that offers a balance between comfort and speed, making it suitable for both cruising and competitive sailing.

Here are some key features and specifications of the SIGMA 400:

1. Design: The SIGMA 400 features a modern design with sleek lines and a spacious cockpit. It has a high-performance hull shape that allows for excellent speed and maneuverability.

2. Construction: The boat is constructed using advanced composite materials, such as fiberglass and carbon fiber, which provide strength and durability while keeping the weight low.

3. Dimensions: The SIGMA 400 has an overall length of approximately 12.19 meters (40 feet) and a beam of around 3.81 meters (12.5 feet). It has a draft of about 2.29 meters (7.5 feet), which allows for good stability and sailing performance.

4. Sail Plan: The boat features a fractional rig with a large mainsail and a smaller headsail. This sail plan allows for easy handling and efficient sailing in various wind conditions.

5. Interior: The interior of the SIGMA 400 is designed to provide comfort and functionality. It typically offers accommodation for up to 8 people, with a spacious saloon, well-equipped galley, and multiple cabins. The boat also has ample storage space for provisions and personal belongings.

6. Performance: The SIGMA 400 is known for its excellent performance on the water. It has a good balance between speed and stability, making it suitable for both cruising and racing. The boat is designed to handle various weather conditions and can achieve high speeds under sail.

7. Safety: The SIGMA 400 is equipped with safety features such as lifelines, handrails, and sturdy deck hardware to ensure the safety of the crew while sailing. It also has a reliable steering system and advanced navigation instruments for easy and safe maneuvering.

Overall, the SIGMA 400 is a well-designed and versatile sailing boat that offers a combination of comfort, performance, and safety. Whether you are looking for a boat to enjoy leisurely cruising or to participate in competitive sailing events, the SIGMA 400 can be a great choice.

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