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YAMAHA 21
Built by Yamaha (JAP)
• Designed by Yamaha Design Group
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General Information
Hull Type:
Fin w/transom hung rudder
Rigging Type:
Fractional Sloop
First Built:
1979
Dimensions
Length Overall (LOA):
6.43 m
Length Waterline (LWL):
5.30 m
Beam:
2.48 m
Draft (Max):
1.30 m
Weight & Ballast
Displacement:
1,070 kg
Ballast:
330 kg
Sail Plan
Foresail Area:
10.25 m²
Mainsail Area:
9.00 m²
Sail Area:
19.24 m²
Sail Area (reported):
20.59 m²
I (Fore Triangle Height):
8.20 m
J (Fore Triangle Base):
2.50 m
P (Mainsail Hoist):
8.00 m
E (Boom Length):
2.25 m
Est. Forestay Length:
8.57 m
Engine & Systems
Performance Ratios
Hull Speed:
5.59 knots
SA/Displacement (Calc):
18.75
SA/Displacement (Reported):
20.06
Ballast/Disp Ratio:
30.86%
Displacement/Length:
200.25
Comfort Ratio:
12.06
Capsize Screening:
2.45
S-Number:
2.90
Immersion:
90 kg/cm
Notes
Rig dimensions are from a third party source and not verified.
Market Value
No pricing data available yet.
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