J/39
Masthead Sloop • Fin w/spade rudder • Built 1989–1997
Dimensions
- LOA
- 39.42 ft
- LWL
- 32.5 ft
- Beam
- 12.42 ft
- Max Draft
- 7.25 ft
- Displacement
- 12,900 lbs
- Ballast
- 5,900 lbs
Performance Ratios
- Capsize Ratio ⓘ
- 2.12 (use caution offshore)
- SA/D Ratio ⓘ
- 23.2
- D/L Ratio ⓘ
- 168
- Ballast Ratio ⓘ
- 45.7%
Sail Plan
- Sail Area
- 799 sq ft
- I
- 53.5 ft
- J
- 15.5 ft
- P
- 47.2 ft
- E
- 16.3 ft
Construction
- Hull Type
- Fin w/spade rudder
- Rig Type
- Masthead Sloop
- Hull Material
- FG
- Ballast Type
- Lead
Production
- First Built
- 1989
- Last Built
- 1997
- Number Built
- 25
Engine & Accommodations
- Engine Make
- Yanmar
- Engine Model
- 3GM30
- Power
- 27 hp
- Engine Type
- Diesel
Designer
- Rod Johnstone (1937)
Builder
- J Boats (1977)