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SNAPDRAGON 670
Built by Thames Marine (UK)
• Designed by David Feltham/Thames Marine
Market Value
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General Information
Hull Type:
Twin Keel
Rigging Type:
Masthead Sloop
Construction:
FG
First Built:
1963
Dimensions
Length Overall (LOA):
6.71 m
Length Waterline (LWL):
5.79 m
Beam:
2.44 m
Draft (Max):
0.81 m
Max Height:
9.91 m
Weight & Ballast
Displacement:
1,470 kg
Ballast:
658 kg
Sail Plan
Foresail Area:
11.65 m²
Mainsail Area:
10.45 m²
Total Sail Area (calculated):
22.10 m²
Sail Area (reported):
22.11 m²
I (Fore Triangle Height):
8.99 m
J (Fore Triangle Base):
2.59 m
P (Mainsail Hoist):
7.62 m
E (Boom Length):
2.74 m
Engine & Systems
Performance Ratios
Hull Speed:
5.84 knots
SA/Displacement (Calculated):
17.09
SA/Displacement (Reported):
17.44
Ballast/Disp Ratio:
44.75%
Displacement/Length:
210.88
Comfort Ratio:
15.76
Capsize Screening:
2.17
S-Number:
2.63
Notes
A standard keel model was also available: Draft = 3.75'/1.14.