BoatsMcNair Marine B-Lion

McNair Marine B-Lion

Catamaran, twin centreboards · Fractional Sloop · First built 1965

An IYRU B-class doublehander from 1965, designed for home construction and featuring a lightweight 190kg displacement

Designed by David & Jerry Hubbard.

LOA
Beam
Draft (max)
Displacement
Hull type
Catamaran Twin Cbrd.

The record

Full specifications

The complete reference set — tap any figure to switch between metric and imperial.

Dimensions
Weights
Rig & sail area
Rig
Fractional Sloop
Ratios
SA / displacement
67.1
Hull
Hull type
Catamaran Twin Cbrd.
Construction
FG or plywood
Production
Years built
First built 1965
Units built
190
Designer
David, Jerry Hubbard
Builder
McNair Marine, American Fiberglass Corp

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Why St. John Feels Nothing Like St. Thomas E38116:38from Wildly Intrepid Sailing
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sailing to the boat show6:10from Sam Holmes Sailing

The family

Related models

The designs closest to hers — usually the rest of the builder's range, sometimes the same hull sold under another name.

American Fiberglass Corp. A-LionA foundational 1967 one-design catamaran whose parameters helped define the international IYRU A-Class ruleSea-Lion 18A 1964 USYRU A-Class racer with a rotating spar and twin centerboards, built to push the limits of early catamaran designMcVay Fiberglass Yachts BluenoseA W. J. Roue design with an active one-design racing fleet, featuring a high sail-area-to-displacement ratio for speed

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