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ROSS 780

ROSS 780 built by Austin - Hopwood Boats (NZ) and designed by Murray Ross. Her first hull was built in 1980 with an overall lengh of 7.80 m or 25.58 ft long

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ROSS 780 Sailboat Specifications​

Features

Overall Length (LOA) m / ft7.80 m / 25.58 ft
Builder(s)Austin - Hopwood Boats
Designer(s)Murray Ross
CountryNew Zealand
Hull TypeLifting Keel
Number of Hulls Built70
First Hull Built1980
Ballast TypeLead
Rigging TypeFractional Sloop
UnsinkableNo
TrailerableNo
Freshwater Tank Capacity lt/gal42 L / 11 gal
Ballast Ratio40.64

Dimensions

Overall Length (LOA) 7.80 m / 25.58 ft
Waterline Length (LWL)7.09 m / 23.25 ft
Beam (width)2.46 m / 8.08 ft
Draft1.80 m / 5.92 ft
Light Displacement (MLC) 1129 kg / 2490 lb
Maximum Displacement1129 kg / 2490 lb
Ballast Weight459 kg / 1012 lb

Performance

Capsize Screening Formula (CSF)2.39
Comfort Ratio9.93
Displacement-Length Ratio (DLR)88.45
Ballast Ratio40.64
Sail Area to Displacement25.58

Above Deck

Estimated Forestay Length8.27 m / 27.12 ft
Reported Sail Area27.22 m² / 293.00 ft²
Total Sail Area27.19 m² / 292.72 ft²
Mainsail Area17.03 m² / 183.28 ft²
I25.75 ft * 7.85 m
J8.50 ft * 2.59 m
P28.75 ft * 8.76 m
E12.75 ft * 3.89 m
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