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/121. Built by J Boats and designed by Alan Johnstone, the boat
was first built in 2018. It has a hull type of Fin w/bulb & spade rudder and LOA is 12.19. Its sail area/displacement
ratio 29.54. Its auxiliary power tank, manufactured by Yanmar, runs on Diesel.
J/121 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/121 and decide if it is a fit for your boating needs.
Boat Information
Boat Specifications
LOA:12.19 m / 39.99 ft
Rigging Type:Fractional Sloop
Hull Type:Fin w/bulb & spade rudder
S.A. (reported):89.09 m2 / 958.96 ft2
Draft (max):2.36 m / 7.74 ft
Displacement:5398 kg / 11900.54 lbs
Ballast:2177 kg / 4799.46 lbs
S.A./Disp.:29.54
Bal./Disp.:40.34
Disp./Len.:115.98
Construction:Infused FG/Epoxy with balsa core.
Ballast Type:Cast iron fin/lead bulb
Designers:Alan Johnstone
LWL:10.91 m / 35.79 ft
Sail Boat Calculation
Definitions
Comfort Ratio:17.55
Capsize Screening Formula:2.16
Rig And Sail Specs
Help?
I:15.67 m / 51.41 ft
S.A. Fore:15.24 m / 50.00 ft
E:5.07 m / 16.63 ft
S.A. Fore:36.54 m2 / 393.31 ft2
S.A. Main:38.65 m2 / 416.03 ft2
S.A. Total (100% Fore + Main Triangles)75.19 m2 / 809.34 ft2