Alpa 1150

Sailboat 38′ Since 1975

Overview

Builder
Alpa
Model
1150
Type
Sailboat
Built
1975–1979
Designer
Danilo Cattadori
Hull
Fin with rudder on skeg
Hull material
Fiberglass
Rig
Masthead Sloop

Dimensions

Length overall
38′ (11.58 m)
Waterline length
26′ 8″ (8.14 m)
Beam
10′ 6″ (3.20 m)
Displacement
14,991 lb (6,800 kg)
Ballast
5,952 lb (2,700 kg)

Sails and rig

Sail area
569 sq ft (52.9 m²)
I (foretriangle height)
43′ 4″ (13.20 m)
J (foretriangle base)
16′ 2″ (4.94 m)
P (mainsail luff)
37′ 9″ (11.50 m)
E (mainsail foot)
10′ 9″ (3.27 m)

Design ratios

Sail area / displacement
15.0

Power from the sails for the boat's weight. Under 16 is modest, 16–20 a typical cruiser, over 20 lively.

Displacement / length
352

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

Ballast ratio
40%

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

Capsize screening
1.70

Under 2 is generally considered better for offshore use.

More details

Construction
FG

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

More from Alpa