AB Oja Batar Avance 40

Sailboat 40′ Since 1982

Overview

Builder
AB Oja Batar
Model
Avance 40
Type
Sailboat
Built
1982 on
Designer
Sparkman & Stephens
Hull
Keel/CB & spade rudder
Hull material
Fiberglass
Rig
Fractional Sloop

Dimensions

Length overall
40′ (12.19 m)
Waterline length
32′ (9.75 m)
Beam
12′ 7″ (3.84 m)
Draft
4′ 11″ (1.49 m)
Displacement
19,600 lb (8,890 kg)
Ballast
8,420 lb (3,819 kg)

Sails and rig

Sail area
863 sq ft (80.2 m²)
I (foretriangle height)
47′ 1″ (14.35 m)
J (foretriangle base)
15′ 4″ (4.68 m)
P (mainsail luff)
52′ 2″ (15.90 m)
E (mainsail foot)
17′ 10″ (5.43 m)

Design ratios

Sail area / displacement
19.0

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

Displacement / length
267

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

Ballast ratio
43%

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

Capsize screening
1.87

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.

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