El Mar Boat Co. Alpa A7

Sailboat 23′ Since 1975

Overview

Builder
El Mar Boat Co.
Model
Alpa A7
Type
Sailboat
Built
1975 on
Hull
Fin w/spade rudder
Hull material
Fiberglass
Rig
Masthead Sloop

Dimensions

Length overall
23′ (7.01 m)
Waterline length
18′ 11″ (5.76 m)
Beam
8′ (2.44 m)
Displacement
3,300 lb (1,497 kg)
Ballast
1,200 lb (544 kg)

Design ratios

Displacement / length
218

How heavy the boat is for its waterline. Under 200 is light, 200–300 moderate, over 300 heavy.

Ballast ratio
36%

Share of the weight that is ballast. Higher generally means stiffer in a breeze.

Capsize screening
2.15

Under 2 is generally considered better for offshore use.

More details

Ballast Type
Lead
Construction
FG

Data from Mauri Pro Sailboat Data. Check details with the builder before relying on them.