The Albin Ballad 30, a moderate-to-heavy displacement masthead sloop, was designed by Rolf Magnusson and built in Sweden by Albin Marine.
The Ballad 30 was designed as an International Offshore Rule (IOR) Half Ton class cruiser-racer, which means it was optimized for racing under a handicap system that measured various aspects of the boat's speed potential.
The design is an evolution of the Joker S30 IOR racer. The Ballad 30 was very successful in racing, winning several national and international championships in the 1970s.
Underwater Configuration: Fin with skeg-hung rudder
Hull Material: GRP (fibreglass)
Length Overall: 29' 11" / 9.12m
Waterline Length: 22' 7" / 6.88m
Beam: 9' 8" / 2.95m
Draft: 5' 1" / 1.55m
Rig Type: Masthead Sloop
Displacement: 7,276lb / 3,300kg
Designer: Rolf Magnusson
Builder: Albin Marine (Sweden)
Year First Built: 1971
Year Last Built: 1982
Number Built: 1500
Owners Association: UK Ballad Association
Sail Area/Displacement Ratio: 16.1
Ballast/Displacement Ratio: 47.0
Displacement/Length Ratio: 282
Comfort Ratio: 22.1
Capsize Screening Formula: 2.0
The Albin Ballad 30 sailboat, based on the published design ratios, would theoretically have the following sailing characteristics:
As for the theoretical nature of these ratios, it's important to remember that they are simplifications and don't capture all aspects of a boat's performance or comfort.
For example, the Ballast/Displacement Ratio doesn't account for the location of the ballast, which can significantly affect a boat's stiffness.
Similarly, Ted Brewer's Comfort Ratio favors heavy displacement, narrow-beamed vessels with long overhangs. As a result, today's lighter-displacement, beamy cruisers with plumb bows won't score well for crew comfort according to this ratio, even though they may have bluewater capability.
These ratios should therefore be used as guides rather than definitive measures of a boat's characteristics.
Dick McClary wrote this article, and used GPT-4, OpenAI’s large-scale language-generation model, as a research assistant to develop source material. The author wrote the final draft in its entirety and believes it to be accurate to the best of his knowledge.
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