Gulf Coast 18

1970 — 1978
Designer
Martin Bludworth
Builder
Gulf Coast Sailboats
Associations
?
# Built
?
Hull Type
Swing Keel
Construction
FG

Dimensions

Length Overall
18 0 / 5.5 m
Waterline Length
15 2 / 4.6 m
Beam
6 2 / 1.9 m
Draft
0 9 / 0.2 m 3 10 / 1.2 m
Displacement
900 lbs / 408 kg
Ballast
320 lbs / 147 kg (Iron)
drawing

Rig and Sails

Type
Fractional Sloop
Reported Sail Area
163 ft2 / 15.1 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
5.22 knots
Sail Area/Displacement
27.98
high performance
Ballast/Displacement
36.11
less stiff, less powerful
Displacement/Length
114.41
light
Comfort Ratio
7.63
lightweight racing boat
Capsize Screening
2.56
better suited for coastal cruising

Notes

MK II version has masthead rig.


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