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COMMANDER 31 (BIANCA)

COMMANDER 31 (BIANCA) built by Bianca Yachts and designed by Knud E. Hansen & Jan Kjærulff. Her first hull was built in 1969 with an overall lengh of 9.36 m or 30.70 ft long

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COMMANDER 31 (BIANCA) Sailboat Specifications​

Features

Overall Length (LOA) m / ft9.36 m / 30.70 ft
Builder(s)Bianca Yachts
Designer(s)Knud E. Hansen & Jan Kjærulff
BrandBianca
CountryDenmark
Hull TypeFin with rudder on skeg
Number of Hulls Built150
First Hull Built1969
Last Hull Built1976
Rigging TypeFractional Sloop
UnsinkableNo
TrailerableNo
Ballast Ratio45.69

Dimensions

Overall Length (LOA) 9.36 m / 30.70 ft
Waterline Length (LWL)6.71 m / 22.00 ft
Beam (width)2.69 m / 8.83 ft
Draft1.13 m / 3.70 ft
Light Displacement (MLC) 3499 kg / 7715 lb
Maximum Displacement3499 kg / 7715 lb
Ballast Weight1599 kg / 3525 lb

Performance

Capsize Screening Formula (CSF)1.79
Comfort Ratio26.62
Displacement-Length Ratio (DLR)323.46
Ballast Ratio45.69
Sail Area to Displacement13.73

Above Deck

Reported Sail Area31.03 m² / 334.00 ft²
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