J/70 Detailed Review

If you are a boat enthusiast looking to get more information on specs, built, make, etc. of different boats, then here is a complete review of J/70. Built by J Boats and designed by Alan Johnstone, the boat was first built in 2012. It has a hull type of Fin w/transom hung rudder and LOA is 6.93. Its sail area/displacement ratio 24.58. Its auxiliary power tank, manufactured by undefined, runs on undefined.

J/70 has retained its value as a result of superior building, a solid reputation, and a devoted owner base. Read on to find out more about J/70 and decide if it is a fit for your boating needs.

Boat Information

Boat Specifications

LOA:6.93 m / 22.74 ft
Rigging Type:Fractional Sloop
Hull Type:Fin w/transom hung rudder
S.A. (reported):21 m2 / 226.04 ft2
Draft (max):1.5 m / 4.92 ft
Displacement:812 kg / 1790.15 lbs
Ballast:285 kg / 628.32 lbs
Ballast Type:Lead
# Built:1100
Designers:Alan Johnstone
LWL:6.24 m / 20.47 ft

Sail Boat Calculation

Comfort Ratio:9.12
Capsize Screening Formula:2.43

Rig And Sail Specs

I:8.16 m / 26.77 ft
ISP:7.97 m / 26.15 ft
E:2.88 m / 9.45 ft
ISP:9.19 m / 30.15 ft
S.A. Fore:9.55 m2 / 102.80 ft2


Builders:J Boats
Designers:Alan Johnstone


Who designed the J/70?

J/70 was designed by Alan Johnstone.

Who builds J/70?

J/70 is built by J Boats.

When was J/70 first built?

J/70 was first built in 2012.

How long is J/70?

J/70 is 6.24 m in length.

What is mast height on J/70?

J/70 has a mast height of 7.97 m.

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