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Sailboat

Gulfstar 50

1975 — 1980
Designer
Vince & Richard Lazarra
Builder
Gulfstar Yachts
Hull Type
Fin with rudder on skeg
Construction
FG

Dimensions

Length Overall
50.00 ft / 15.24 m
Waterline Length
39.67 ft / 12.09 m
Beam
13.67 ft / 4.17 m
Draft
5.50 ft / 1.68 m
Displacement
35,000 lb / 15,876 kg
Ballast
10,500 lb / 4,763 kg
Ballast Type
?
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
896.00 ft2 / 83.24 m2
Total Sail Area
895.36 ft2 / 83.18 m2
Mainsail
Sail Area
409.26 ft2 / 38.02 m2
P
43.08 ft / 13.13 m
E
19.00 ft / 5.79 m
Mast Height
Foresail
Sail Area
486.10 ft2 / 45.16 m2
I
50.90 ft / 15.51 m
J
19.10 ft / 5.82 m
Est. Forestay Len.
54.37 ft / 16.57 m
Mizzen
PY
EY

Auxilary Power

Make
Perkins
Model
4.154
HP
62
Type
Diesel
Fuel Capacity
?

Accomodations

Water Capacity
200 gals / 757 L

Calculations

Hull Speed
8.44 knots
Sail Area/Displacement
13.4
under powered
Ballast/Displacement
30
less stiff, less powerful
Displacement/Length
250.28
moderate
Comfort Ratio
38.55
moderate bluewater cruising boat
Capsize Screening
1.67
better suited for ocean passages

Notes

Available as a sloop or ketch. Sometimes referred to as the GULFSTAR CSY 50 though it was never built specifically for or by CSY, most originally went into the charter trade.
Ketch rig:
I: 50.90’ / 15.51m
J: 19.10’ / 5.82m
P: 43.08’ / 13.13m
E: 15.29’ / 4.66m
PY: 27.00’ / 8.23m
EY: 11.00’ / 3.35m
Sail Area (100% fore+main triangles): 963.94 ft2/89.55 m2
Tall sloop:
I: 55.00’ / 16.76m
J: 19.10’ / 5.82m
P: 47.50’ / 14.48m
E: 19.00’ / 5.79m
Sail Area (100% fore+main triangles): 976.50 ft2/90.72 m2


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