COLUMBIA 21
Masthead Sloop • Fin w/spade rudder • Built 1968–1969
Dimensions
- LOA
- 21.67 ft
- LWL
- 20.25 ft
- Beam
- 7.58 ft
- Max Draft
- 3.25 ft
- Displacement
- 1,500 lbs
- Ballast
- 750 lbs
Performance Ratios
- Capsize Ratio ⓘ
- 2.65 (use caution offshore)
- SA/D Ratio ⓘ
- 28.6
- D/L Ratio ⓘ
- 81
- Ballast Ratio ⓘ
- 50.0%
Sail Plan
- Sail Area
- 234 sq ft
Construction
- Hull Type
- Fin w/spade rudder
- Rig Type
- Masthead Sloop
- Hull Material
- FG
- Ballast Type
- Lead
Production
- First Built
- 1968
- Last Built
- 1969
- Number Built
- 678
Notes: Jib (!00%): 113 sq.ft.\nMain: 121 sq.ft.\n
Designer
- William Crealock (1920–2009)
Builder
- Columbia Yachts (1961)