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ULTRA 30
• Designed by Rob Humphreys
General Information
Hull Type:
Lifting Keel
Rigging Type:
Fractional Sloop
Construction:
FG
First Built:
1988
Dimensions
Length Overall (LOA):
9.14 m
Length Waterline (LWL):
8.94 m
Beam:
2.44 m
Draft (Max):
2.01 m
Weight & Ballast
Displacement:
1,100 kg
Ballast:
450 kg
Ballast Type:
Lead
Sail Plan
Foresail Area:
18.97 m²
Mainsail Area:
30.59 m²
Total Sail Area (calculated):
49.56 m²
I (Fore Triangle Height):
11.43 m
J (Fore Triangle Base):
3.32 m
P (Mainsail Hoist):
13.38 m
E (Boom Length):
4.57 m
Engine & Systems
Performance Ratios
Hull Speed:
7.26 knots
SA/Displacement (Calculated):
46.51
Ballast/Disp Ratio:
40.91%
Displacement/Length:
42.91
Comfort Ratio:
7.95
Capsize Screening:
2.38
S-Number:
10.53
Notes
Beam with racks: 14'.