⛵ Sailboat DB

ALPA 21

Masthead Sloop • Fin w/transom hung rudder • Built 1976

drawing

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.

Builder