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HERRESHOFF 31 (CAT KETCH 31)

HERRESHOFF 31 (CAT KETCH 31) built by Cat Ketch Corp. and designed by Halsey Herreshoff. Her first hull was built in 1979 with an overall lengh of 9.40 m or 30.83 ft long

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HERRESHOFF 31 (CAT KETCH 31) Sailboat Specifications​

Features

Overall Length (LOA) m / ft9.40 m / 30.83 ft
Builder(s)Cat Ketch Corp.
Designer(s)Halsey Herreshoff
BrandHerreshoff
Hull TypeFin w/transom hung rudder
Number of Hulls Built100
First Hull Built1979
Last Hull Built1986
Ballast TypeLead
Rigging TypeCat Ketch (unstayed)
UnsinkableNo
TrailerableNo
Freshwater Tank Capacity lt/gal227 L / 60 gal
Ballast Ratio44.31

Dimensions

Overall Length (LOA) 9.40 m / 30.83 ft
Waterline Length (LWL)8.53 m / 27.97 ft
Beam (width)3.15 m / 10.33 ft
Draft1.22 m / 4.00 ft
Light Displacement (MLC) 3429 kg / 7560 lb
Maximum Displacement3429 kg / 7560 lb
Ballast Weight1520 kg / 3350 lb

Performance

Capsize Screening Formula (CSF)2.11
Comfort Ratio18.07
Displacement-Length Ratio (DLR)154.24
Ballast Ratio44.31
Sail Area to Displacement16.38

Above Deck

Reported Sail Area36.51 m² / 393.00 ft²
Mainsail Area22.11 m² / 238.00 ft²
P34.00 ft * 10.36 m
E14.00 ft * 4.27 m
PY29.00 ft * 8.84 m
EY11.50 ft * 3.51 m
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