Great Barrier Express

1973
Designer
Malcolm Tennant
Builders
?
Associations
?
# Built
300
Hull Type
Catamaran Twin Dbrd.
Construction
Wood Composite/FG

Dimensions

Length Overall
27 9 / 8.5 m
Waterline Length
25 11 / 7.9 m
Beam
16 4 / 5 m
Draft
?
Displacement
2,370 lbs / 1,075 kg
Ballast
?
drawing

Rig and Sails

Type
Fractional Sloop
Reported Sail Area
410 ft2 / 38.1 m2
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Mast Height
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
?
Model
?
HP
?
Fuel Type
?
Fuel Capacity
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
6.83 knots
Sail Area/Displacement
36.9
high performance
Ballast/Displacement
?
Displacement/Length
60.2
Ultralight
Comfort Ratio
3.3
lightweight racing boat
Capsize Screening
4.93
better suited for coastal cruising

Notes

The GREAT BARRIER EXPRESS set the standard for cats of this type and, for years, was copied by others around the world.
Nearly 30 of a FG production version were built in New Zealand. The rest from plans.


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