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SEAFARER 31 MKI

Built by Seafarer Fiberglass Yachts Inc. • Designed by William Tripp Jr.
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SEAFARER 31 MKI - Photo
SEAFARER 31 MKI - Drawing

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General Information

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
Construction: FG (solid hull/balsa cored deck)
First Built: 1968
Last Built: 1974

Dimensions

Length Overall (LOA): 9.50 m
Length Waterline (LWL): 6.81 m
Beam: 2.69 m
Draft (Max): 1.37 m
Max Height: 12.24 m

Weight & Ballast

Displacement: 3,969 kg
Ballast: 1,542 kg
Ballast Type: Lead

Sail Plan

Foresail Area: 19.84 m²
Mainsail Area: 18.84 m²
Total Sail Area (calculated): 38.68 m²
Sail Area (reported): 38.74 m²
I (Fore Triangle Height): 11.13 m
J (Fore Triangle Base): 3.57 m
P (Mainsail Hoist): 9.51 m
E (Boom Length): 3.96 m

Engine & Systems

Engine Make: Universal
Engine Type: Gas
Engine Model: Atomic 4
Engine Power: 30 HP

Performance Ratios

Hull Speed: 6.33 knots
SA/Displacement (Calculated): 15.43
SA/Displacement (Reported): 15.76
Ballast/Disp Ratio: 38.86%
Displacement/Length: 350.83
Comfort Ratio: 29.74
Capsize Screening: 1.72
S-Number: 1.32

Notes

Design by Tripp Jr., McCurdy & Rhodes "design development"