Sail plan: what architectural choices will improve efficiency in bluewater cruising - Olivier Racoupeau's vision [Episode 3/4]
Technical focus with Olivier Racoupeau
Four videos to understand the architectural choices behind Allures sailboats
Are you considering a sailboat for the “ bluewater cruising ”? This video is part of our “Technical Focus” series featuring Olivier Racoupeau, a veteran naval architect atAllures Yachting. In it, he details the key structural choices related to the sail plan: sail area distribution, optimized rigging, efficient profiles… These are essential decisions for ensuring performance, maneuverability, and durability—even with a small crew.

A well-designed sailboat starts with a coherent sail plan. In this episode, Olivier Racoupeau shares his approach to balancing efficiency, balance, and ease of use:
- Effective sail area vs. displayed area: not all meters are equal. Actual performance depends on the projected area, not just the total figure. The goal: less sail, but better use of it.
- Rigging developments: no more genoa . Angled spreaders, widely spaced chain plates, and a mast improve stability, reduce pitching, and allow for simpler, more efficient sails.
- Continuity of transitions: to ensure good performance under sail, the transitions between genoa, gennaker staysail carefully designed to avoid any "gaps" in power between configurations.
- Reduced use of reefed sails: by anticipating optimal operating ranges during the design phase, it is possible to minimize the use of furling sails, extending their service life and facilitating navigation.
In short, a good sail plan means less surface area, but better performance and, above all, a sailboat that is easy to handle, even with just two people. This philosophy guides every Allures design from the drawing board onwards.
Bonus
This video is part of a series of four episodes designed to provide a better understanding of Allures' technical approaches.
Discover episode 4: Composite deck on aluminium hull why does this combination make sense according to Olivier Racoupeau?

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