ALPA 21
Masthead Sloop
• Fin w/transom hung rudder
• Built 1976
Dimensions
- LOA
- 21.25 ft
- LWL
- 18.6 ft
- Beam
- 8.16 ft
- Max Draft
- 4 ft
- Displacement
- 2,868 lbs
- Ballast
- 800 lbs
Performance Ratios
-
Capsize Ratio ⓘ
-
2.30
(use caution offshore)
-
SA/D Ratio ⓘ
- 19.4
-
D/L Ratio ⓘ
- 199
- Ballast Ratio ⓘ
-
27.9%
Sail Plan
- Sail Area
- 245 sq ft
- I
- 30 ft
- J
- 8.55 ft
- P
- 26 ft
- E
- 9 ft
Construction
- Hull Type
- Fin w/transom hung rudder
- Rig Type
- Masthead Sloop
- Hull Material
- FG
- Ballast Type
- —
Production
- First Built
- 1976
- Last Built
- —
- Number Built
- —
Notes: S&S design #2204.