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Live & Sail
Excess campus
Working from my Excess
Excess Sailors
Design & Engineering
Conception & Architecture
Sail & Rigging
Equipment & Accessories
Propulsion & Energy
Interiors
Behind the Scenes
Crew Presentation
EXCESS 13 SERIES
EXCESS 14 SERIES
About the Lab
Welcome to the one and only collaborative platform in the catamaran world
Share your ideas, talk with our teams, and help design the Excess catamarans of the future!
Forum
Live & Sail
Excess campus
Working from my Excess
Excess Sailors
Design & Engineering
Conception & Architecture
Sail & Rigging
Equipment & Accessories
Propulsion & Energy
Interiors
Behind the Scenes
Crew Presentation
EXCESS 13 SERIES
EXCESS 14 SERIES
About the Lab
July 16, 2026
Speed polars: how is a catamaran's performance calculated?
What is a speed polar? Discover how a catamaran's performance is calculated and how to use it while sailing.
Begin discussion
Survey completed!
March 1, 2021
Self-tacking jib or genoa?
We would like you to share your views with the Excess Lab team regarding the choice of the « fore sail »; in other words, the equipment for Excess boats...
16 comments
March 1, 2021
FEEDBACK : Self-tacking jib or genoa?
Lots of you contributed to the survey entitled "Self-tacking jib or overlapping genoa? ". We are impressed by the quality of the exchanges and thank the...
1 comment
