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Sailboat Guide

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Sailboat

A Class Catamaran

1962
Designer
?
Builder
Hull Type
Catamaran Twin Dbrd.
Construction
Wood/FG/Composite
Associations
A Class Catamaran (International) Site
A Class Catamaran (Australia) Site

Dimensions

Length Overall
18.00 ft / 5.49 m
Waterline Length
18.00 ft / 5.49 m
Beam
7.52 ft / 2.29 m
Draft
?
Displacement
165 lb / 75 kg
Ballast
?

Rig and Sails

Type
Cat (rotating spar)
Reported Sail Area
150.00 ft2 / 13.94 m2
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
Mast Height
Foresail
Sail Area
?
I
J
Est. Forestay Len.
?

Spinnaker

SPL/TPS
ISP

Auxilary Power

Make
?
Model
?
HP
?
Type
?
Fuel Capacity
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
5.69 knots
Sail Area/Displacement
79.78
high performance
Ballast/Displacement
less stiff, less powerful
Displacement/Length
12.63
Ultralight
Comfort Ratio
0.96
lightweight racing boat
Capsize Screening
5.48
better suited for coastal cruising

Notes

The A CLASS CATAMARAN has undergone a steady evolution since the rule was first established in 1962. Dimensions listed are class limits, and beyond these few restrictions, the class is fairly open.


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