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STUART KNOCKABOUT
Built by E&D
• Designed by L. Francis Herreshoff/Bill Harding
General Information
Hull Type:
Keel/Cbrd.
Rigging Type:
Fractional Sloop
Construction:
Wood or FG
First Built:
1932
Number Built:
81
Dimensions
Length Overall (LOA):
8.53 m
Length Waterline (LWL):
6.96 m
Beam:
2.11 m
Draft (Max):
1.68 m
Draft (Min):
0.84 m
Weight & Ballast
Displacement:
1,814 kg
Ballast:
1,089 kg
Ballast Type:
Lead
Sail Plan
Foresail Area:
9.75 m²
Mainsail Area:
17.27 m²
Total Sail Area (calculated):
27.02 m²
Sail Area (reported):
27.03 m²
I (Fore Triangle Height):
7.32 m
J (Fore Triangle Base):
2.67 m
P (Mainsail Hoist):
8.72 m
E (Boom Length):
3.96 m
Engine & Systems
Performance Ratios
Hull Speed:
6.40 knots
SA/Displacement (Calculated):
18.17
SA/Displacement (Reported):
18.53
Ballast/Disp Ratio:
60.00%
Displacement/Length:
150.07
Comfort Ratio:
19.26
Capsize Screening:
1.75
S-Number:
3.58
Notes
Based on a single boat designed and built by Herresoff, for Mr. Willoughby Stuart in 1932. (Herreshoff design #53).