Jensen Marine Cal 48

Sailboat 47′ 10″ Since 1966

Overview

Builder
Jensen Marine
Model
Cal 48
Type
Sailboat
Built
1966–1970
Designer
C. William Lapworth
Hull
Fin w/spade rudder
Hull material
Fiberglass
Rig
Masthead Sloop

Dimensions

Length overall
47′ 10″ (14.57 m)
Waterline length
35′ (10.67 m)
Beam
12′ (3.66 m)
Displacement
25,000 lb (11,340 kg)
Ballast
9,500 lb (4,309 kg)

Sails and rig

Sail area
1,082 sq ft (100.5 m²)
I (foretriangle height)
55′ (16.76 m)
J (foretriangle base)
19′ (5.79 m)
P (mainsail luff)
48′ 2″ (14.69 m)
E (mainsail foot)
21′ 6″ (6.55 m)

Design ratios

Sail area / displacement
20.3

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

Displacement / length
260

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

Ballast ratio
38%

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

Capsize screening
1.64

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.

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