North Star Yachts Ltd. Alpa A15
Sailboat
48′ 2″
Since 1970
Overview
- Builder
- North Star Yachts Ltd.
- Model
- Alpa A15
- Type
- Sailboat
- Built
- 1970 on
- Designer
- Sparkman & Stephens
- Hull
- Fin with rudder on skeg
- Hull material
- Fiberglass
- Rig
- Masthead Yawl
Dimensions
- Length overall
- 48′ 2″ (14.69 m)
- Waterline length
- 33′ (10.06 m)
- Beam
- 11′ 10″ (3.60 m)
- Displacement
- 30,000 lb (13,608 kg)
- Ballast
- 15,700 lb (7,121 kg)
Design ratios
- Displacement / length
- 373
- Ballast ratio
- 52%
- Capsize screening
- 1.52
How heavy the boat is for its waterline. Under 200 is light, 200–300 moderate, over 300 heavy.
Share of the weight that is ballast. Higher generally means stiffer in a breeze.
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.