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One-Design & Club

J 105

keelboat

The sprit-and-kite sportsboat that changed one design racing in 1991, still the biggest one design fleet over thirty feet in the USA.

LOA
10.52
M
YEAR DESIGNED
1991
DESIGNER
Rod Johnstone
One-Design Sails

Sails For This Class

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Technical Data

Specifications

LOA
10.52
M
Beam
3.35
M
Draft
1.98
M
Hull Weight
3515
KG
Crew Min
3
Crew Max
6
Year Designed
1991
Mainsail Area
28.14
M²
Jib Area
25.46
M²
Spinnaker Area
89
M²
Class Profile

Class Facts & History

Category
One-Design & Club
Type
keelboat
Designer
Rod Johnstone
Class Association
International J 105 Class Association

History

Rod Johnstone designed the J 105 in 1991 as the first mainstream one design keelboat built around a retractable bowsprit and asymmetric spinnaker. Over 680 boats were built and it remains the biggest one design fleet over thirty feet in the USA.

Sailing Characteristics

The sprit and asymmetric kite make jibes simple with a short handed crew, and the fin keel and spade rudder give quick, predictable helm feel upwind and down. It suits club racers who want strong fleet racing without a big afterguard.

Racing Context

The International J 105 Class Association runs an annual North American Championship, with active fleets on San Francisco Bay, the Chesapeake, the Great Lakes and in Europe.

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