boatbuildlog

Production model

J/30

Built by J/Boats

A 29 ft 10 in fractional sloop designed by Rodney S. Johnstone, built from 1979 to 1986. She carries 11 ft 2 in beam, 5 ft 3 in draft and 7,000 lb displacement. Hull form is fin with a transom-hung rudder. About 554 were built.

A fast masthead cruiser-racer from J/Boats' early years, raced hard one-design and still competitive on handicap. J/Boats were founded in Rhode Island in 1977 by Rod and Bob Johnstone, and their designs have defined one-design keelboat racing in America ever since. The figures below come from owners who logged work on this boat here.

What building a J/30 actually takes

Medians from the build logs kept on this site, not the designer’s estimate. Nobody has logged this boat here yet, so they are empty until the first builder does.

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Build logs
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Launched
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Median hours
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Median months

Those medians firm up as more people log this boat.

Builds of this boat

Nobody has logged a J/30 here yet.

If you are building one, yours becomes the reference: the page the next person building this boat finds when they search for it. One photo and one line is a valid first entry.

Start the first log of this boat

Boats like this one

Same type, closest in length.

Model Builder LOA Logs
Pearson 30 Pearson 29′ 9″ (9.08 m) 0
Catalina 30 Catalina Yachts 29′ 11″ (9.12 m) 0
Tartan 30 Tartan 29′ 11″ (9.12 m) 0
J/92 J/Boats 30′ 0″ (9.14 m) 0
C&C 30 C&C 30′ 0″ (9.15 m) 0
C&C 29 C&C 29′ 7″ (9.02 m) 0