CAL 31
Masthead Sloop • Fin w/spade rudder • Built 1979–1984
Dimensions
- LOA
- 31.5 ft
- LWL
- 25.67 ft
- Beam
- 10 ft
- Max Draft
- 5 ft
- Displacement
- 9,170 lbs
- Ballast
- 3,600 lbs
Performance Ratios
- Capsize Ratio ⓘ
- 1.91 (offshore safe)
- SA/D Ratio ⓘ
- 17.9
- D/L Ratio ⓘ
- 242
- Ballast Ratio ⓘ
- 39.3%
Sail Plan
- Sail Area
- 490 sq ft
- I
- 41.5 ft
- J
- 13.5 ft
- P
- 35 ft
- E
- 12 ft
Construction
- Hull Type
- Fin w/spade rudder
- Rig Type
- Masthead Sloop
- Hull Material
- FG
- Ballast Type
- Lead
Production
- First Built
- 1979
- Last Built
- 1984
- Number Built
- —
Engine & Accommodations
- Engine Make
- Universal
- Power
- 16 hp
- Engine Type
- Diesel
- Water
- 56 gal
- Fuel
- 20 gal
- Mast Height
- 45.42 ft
Notes: Shoal draft: 4.25'/1.3m.
Designer
- C. William Lapworth (1919–2006)
Builders
- Bangor Punta Corp. (1964–1984)
- Jensen Marine/Cal Boats (1956–1989)