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SIGMA 400

SIGMA 400 built by Marine Projects Ltd and designed by Rob Humphries. Her first hull was built in 1990 with an overall lengh of 12.27 m or 40.27 ft long

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SIGMA 400 Sailboat Specifications​

Features

Overall Length (LOA) m / ft12.27 m / 40.27 ft
Builder(s)Marine Projects Ltd
Designer(s)Rob Humphries
Hull TypeFin w/spade rudder
First Hull Built1990
Rigging TypeMasthead Sloop
UnsinkableNo
TrailerableNo
Ballast Ratio37.13

Dimensions

Overall Length (LOA) 12.27 m / 40.27 ft
Waterline Length (LWL)10.16 m / 33.33 ft
Beam (width)3.89 m / 12.76 ft
Draft2.29 m / 7.50 ft
Light Displacement (MLC) 8618 kg / 19000 lb
Maximum Displacement8618 kg / 19000 lb
Ballast Weight3200 kg / 7055 lb

Performance

Capsize Screening Formula (CSF)1.92
Comfort Ratio27.92
Displacement-Length Ratio (DLR)229.09
Ballast Ratio37.13
Sail Area to Displacement18.79

Above Deck

Estimated Forestay Length15.55 m / 51.03 ft
Reported Sail Area77.39 m² / 833.00 ft²
Total Sail Area77.38 m² / 832.92 ft²
Mainsail Area45.03 m² / 484.70 ft²
I49.01 ft * 14.94 m
J14.21 ft * 4.33 m
P51.84 ft * 15.80 m
E18.70 ft * 5.70 m
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