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ROSS 780
Built by Austin - Hopwood Boats (NZ)
• Designed by Murray Ross
Market Value
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General Information
Hull Type:
Lifting Keel
Rigging Type:
Fractional Sloop
Construction:
FG
First Built:
1980
Number Built:
70
Dimensions
Length Overall (LOA):
7.80 m
Length Waterline (LWL):
7.09 m
Beam:
2.46 m
Draft (Max):
1.80 m
Draft (Min):
0.28 m
Weight & Ballast
Displacement:
1,129 kg
Ballast:
459 kg
Ballast Type:
Lead
Sail Plan
Foresail Area:
10.17 m²
Mainsail Area:
17.03 m²
Total Sail Area (calculated):
27.20 m²
Sail Area (reported):
27.22 m²
I (Fore Triangle Height):
7.85 m
J (Fore Triangle Base):
2.59 m
P (Mainsail Hoist):
8.76 m
E (Boom Length):
3.89 m
Engine & Systems
Engine Type:
Outboard
Fuel Capacity:
11 L
Water Capacity:
42 L
Performance Ratios
Hull Speed:
6.46 knots
SA/Displacement (Calculated):
25.08
SA/Displacement (Reported):
25.58
Ballast/Disp Ratio:
40.64%
Displacement/Length:
88.45
Comfort Ratio:
9.93
Capsize Screening:
2.39
S-Number:
5.86