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D3-23
Built by Design Three (CAN)
• Designed by C. John Thorpe
Market Value
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General Information
Hull Type:
Fin w/spade rudder
Rigging Type:
Masthead Sloop
Construction:
FG
First Built:
1972
Last Built:
1979
Number Built:
13
Dimensions
Length Overall (LOA):
7.01 m
Length Waterline (LWL):
5.41 m
Beam:
2.44 m
Draft (Max):
1.22 m
Weight & Ballast
Displacement:
1,293 kg
Ballast:
635 kg
Ballast Type:
Cast iron
Sail Plan
Foresail Area:
10.87 m²
Mainsail Area:
8.24 m²
Total Sail Area (calculated):
19.11 m²
Sail Area (reported):
19.32 m²
I (Fore Triangle Height):
8.15 m
J (Fore Triangle Base):
2.67 m
P (Mainsail Hoist):
6.55 m
E (Boom Length):
2.51 m
Engine & Systems
Performance Ratios
Hull Speed:
5.65 knots
SA/Displacement (Calculated):
16.10
SA/Displacement (Reported):
16.60
Ballast/Disp Ratio:
49.12%
Displacement/Length:
227.51
Comfort Ratio:
14.28
Capsize Screening:
2.26
S-Number:
2.34
Notes
Designed for quarter ton racing, the D3-23 rates an estimated 18.0 under IOR MK III.