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SPARTAN-1 (BUCHANAN)

• Designed by Alan Buchanan
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SPARTAN-1 (BUCHANAN) - Drawing

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General Information

Hull Type: Long keel w/trans. hung rudder
Rigging Type: Fractional Sloop
Construction: Wood
First Built: 1955

Dimensions

Length Overall (LOA): 7.01 m
Length Waterline (LWL): 5.59 m
Beam: 1.98 m
Draft (Max): 1.22 m

Weight & Ballast

Displacement: 2,495 kg
Ballast: 1,542 kg

Sail Plan

Foresail Area: 8.92 m²
Mainsail Area: 14.24 m²
Total Sail Area (calculated): 23.16 m²
Sail Area (reported): 23.23 m²
I (Fore Triangle Height): 7.32 m
J (Fore Triangle Base): 2.44 m
P (Mainsail Hoist): 8.31 m
E (Boom Length): 3.43 m

Engine & Systems

Performance Ratios

Hull Speed: 5.74 knots
SA/Displacement (Calculated): 12.59
SA/Displacement (Reported): 12.88
Ballast/Disp Ratio: 61.82%
Displacement/Length: 398.68
Comfort Ratio: 35.57
Capsize Screening: 1.48
S-Number: 0.91

Notes

Both type 1 and type 2 are based on the same hull with different sheer and coachroof.