J/121
Fractional Sloop • Fin w/bulb & spade rudder • Built 2018
Dimensions
- LOA
- 40 ft
- LWL
- 35.78 ft
- Beam
- 12.3 ft
- Max Draft
- 7.75 ft
- Displacement
- 11,900 lbs
- Ballast
- 4,800 lbs
Performance Ratios
- Capsize Ratio ⓘ
- 2.15 (use caution offshore)
- SA/D Ratio ⓘ
- 29.4
- D/L Ratio ⓘ
- 116
- Ballast Ratio ⓘ
- 40.3%
Sail Plan
- Sail Area
- 959 sq ft
- I
- 51.41 ft
- J
- 15.3 ft
- P
- 50 ft
- E
- 16.64 ft
Construction
- Hull Type
- Fin w/bulb & spade rudder
- Rig Type
- Fractional Sloop
- Hull Material
- Infused FG/Epoxy with balsa core.
- Ballast Type
- Cast iron fin/lead bulb
Production
- First Built
- 2018
- Last Built
- —
- Number Built
- —
Engine & Accommodations
- Engine Make
- Yanmar
- Power
- 30 hp
- Engine Type
- Diesel
Notes: The J/121 includes a water ballast system with a 104 gal (394 liter) tank on each side. This system allows up to an additional 867 lbs (approx) to the rail.\nSome specs and photo are from a review by Adam Cort in Sail Mag. Feb 8, 2018.
Designer
Builder
- J Boats (1977)