Gulfstar 43

1976 — 1978
Designer
Vince & Richard Lazarra
Builder
Gulfstar Yachts
Associations
?
# Built
80
Hull Type
Long Keel
Construction
FG

Dimensions

Length Overall
43 4 / 13.2 m
Waterline Length
39 2 / 11.9 m
Beam
11 10 / 3.6 m
Draft
3 6 / 1.1 m
Displacement
21,000 lbs / 9,525 kg
Ballast
5,000 lbs / 2,268 kg
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
664 ft2 / 61.7 m2
Total Sail Area
663.9 ft2 / 61.7 m2
Mainsail
Sail Area
328.9 ft2 / 30.6 m2
P
38 8 / 11.8 m
E
16 11 / 5.2 m
Mast Height
50 5 / 15.4 m
Foresail
Sail Area
335 ft2 / 31.1 m2
I
44 10 / 13.7 m
J
14 11 / 4.6 m
Forestay Length
47 3 / 14.4 m

Auxilary Power

Make
Perkins
Model
?
HP
?
Fuel Type
Diesel
Fuel Capacity
65 gal / 246 l

Accomodations

Water Capacity
115 gal / 435 l
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
8.39 knots
Sail Area/Displacement
13.96
under powered
Ballast/Displacement
23.81
less stiff, less powerful
Displacement/Length
156.11
light
Comfort Ratio
29.39
coastal cruiser
Capsize Screening
1.73
better suited for ocean passages

Notes

Ketch rig:
I: 44.90’ / 13.69m
J: 14.92’ / 4.55m
P: 38.70’ / 11.80m
E: 11.80’ / 3.60m
PY: 27.25’ / 8.31m
EY: 9.00’ / 2.74m
Tot. sail area (100% fore+main triangles): 685.91 ft2/63.72 m2


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