COLUMBIA 31
Masthead Sloop • Keel/Cbrd. • Built 1965–1968
Dimensions
- LOA
- 30.5 ft
- LWL
- 21.5 ft
- Beam
- 9.83 ft
- Max Draft
- 7 ft
- Min Draft
- 3.08 ft
- Displacement
- 8,500 lbs
- Ballast
- 3,400 lbs
Performance Ratios
- Capsize Ratio ⓘ
- 1.93 (offshore safe)
- SA/D Ratio ⓘ
- 16.2
- D/L Ratio ⓘ
- 382
- Ballast Ratio ⓘ
- 40.0%
Sail Plan
- Sail Area
- 422 sq ft
- I
- 35.5 ft
- J
- 11.33 ft
- P
- 30.5 ft
- E
- 14.5 ft
Construction
- Hull Type
- Keel/Cbrd.
- Rig Type
- Masthead Sloop
- Hull Material
- FG
- Ballast Type
- —
Production
- First Built
- 1965
- Last Built
- 1968
- Number Built
- 97
Engine & Accommodations
- Engine Make
- Universal
- Engine Model
- Atomic 4
- Power
- 20 hp
- Engine Type
- Gas
Notes: Derived from the Morgan designed 'TIGER CUB'(1963?).\nTALL MAST:\nI: 37.5' \nJ: 11.33' \nP: 33.0' \nE: 14.5'
Designer
- Charles Morgan (1929–2023)
Builder
- Columbia Yachts (1961)