RA-18

Main

Appendages
Fin w/spade rudder
Construction
FG
First built hull
1971
Hull type
Monohull
Last built hull
1974
Model
RA-18
Sailboat builder
Plasto GmbH
Sailboat designer

Dimensions

Ballast weight
240.0
Beam
2.15
Displacement
600.0
Draft
1.0
Max Draft
1.0
Overall length
5.45
Waterline length
5.0

Sails

Total area
14.96

Engine

Performance

Ballast ratio
39.98
Capsize Screening Formula
2.57
Comfort Ratio
9.0
Critical hull speed
5.43
Displacement-length ratio (DLR)
133.9
Upwind sail area to displacement
21.42

Accomodation

The RA-18 sailing boat is a small, single-handed racing dinghy designed for competitive sailing. It was developed in the late 1960s by the Finnish designer Rolf Andersson, hence the name RA-18. The boat is known for its simplicity, affordability, and ease of handling, making it popular among both beginners and experienced sailors.

Here are some key features and characteristics of the RA-18 sailing boat:

1. Size and Dimensions: The RA-18 has a length of 18 feet (5.5 meters) and a beam of 6 feet (1.8 meters). It has a relatively lightweight hull, typically weighing around 400-500 pounds (180-225 kilograms).

2. Rigging: The boat features a single-masted Bermuda rig with a mainsail and a jib. The mast is stepped towards the front of the boat, allowing for a larger sail area and better performance in light winds.

3. Construction: The RA-18 is typically constructed using fiberglass, which provides durability and strength while keeping the boat lightweight. The hull design is optimized for speed and maneuverability.

4. Single-Handed Sailing: The RA-18 is designed to be sailed by a single person, making it suitable for solo racing or recreational sailing. The boat's controls are positioned within easy reach of the skipper, allowing for efficient handling and maneuvering.

5. Performance: The RA-18 is known for its excellent performance on the water. It is a fast and responsive boat, capable of reaching high speeds and performing well in various wind conditions. Its design allows for quick acceleration and easy planing.

6. Racing Class: The RA-18 is recognized as an official racing class by various sailing associations and federations worldwide. It is often used in local and regional regattas, providing an exciting and competitive racing experience.

7. Accessibility: One of the key advantages of the RA-18 is its affordability and accessibility. The boat is relatively inexpensive compared to larger racing sailboats, making it accessible to a wide range of sailors. Its simplicity also means that maintenance and upkeep costs are generally lower.

Overall, the RA-18 sailing boat is a popular choice for those looking for a small, single-handed racing dinghy. Its combination of affordability, performance, and ease of handling has made it a beloved boat among sailors of all skill levels.

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