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KIRBY 23
Built by Ross Marine
• Designed by Bruce Kirby
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General Information
Hull Type:
Fin w/spade rudder
Rigging Type:
Fractional Sloop
First Built:
1985
Number Built:
6
Dimensions
Length Overall (LOA):
7.01 m
Length Waterline (LWL):
5.73 m
Beam:
2.36 m
Draft (Max):
1.19 m
Weight & Ballast
Displacement:
1,089 kg
Ballast:
408 kg
Sail Plan
Foresail Area:
10.37 m²
Mainsail Area:
14.96 m²
Sail Area:
25.33 m²
Sail Area (reported):
25.18 m²
I (Fore Triangle Height):
7.85 m
J (Fore Triangle Base):
2.64 m
P (Mainsail Hoist):
8.53 m
E (Boom Length):
3.51 m
Est. Forestay Length:
8.28 m
Engine & Systems
Performance Ratios
Hull Speed:
5.81 knots
SA/Displacement (Calc):
24.39
SA/Displacement (Reported):
24.25
Ballast/Disp Ratio:
37.50%
Displacement/Length:
161.25
Comfort Ratio:
12.08
Capsize Screening:
2.32
S-Number:
4.13
Immersion:
93 kg/cm
Notes
The KIRBY 23 is a cruising version of the SONAR (One-design). Similar to BLAZER 23.
Market Value
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