RK 21
Masthead Sloop • Swing keel w/outboard rudder • Built 1972
Dimensions
- LOA
- 21 ft
- LWL
- 18.25 ft
- Beam
- 7.92 ft
- Max Draft
- 4.58 ft
- Min Draft
- 1 ft
- Displacement
- 2,000 lbs
- Ballast
- 665 lbs
Performance Ratios
- Capsize Ratio ⓘ
- 2.51 (use caution offshore)
- SA/D Ratio ⓘ
- 20.8
- D/L Ratio ⓘ
- 147
- Ballast Ratio ⓘ
- 33.2%
Sail Plan
- Sail Area
- 206 sq ft
Construction
- Hull Type
- Swing keel w/outboard rudder
- Rig Type
- Masthead Sloop
- Hull Material
- FG
- Ballast Type
- —
Production
- First Built
- 1972
- Last Built
- —
- Number Built
- —
Notes: RK Industries was a subsidiary of Coastal Recreation.
Designer
- Peter Barrett (1935–2000)
Builder
- Coastal Recreation Inc. (1968–1981)