HERRESHOFF 31 (CAT KETCH 31)

HERRESHOFF 31 (CAT KETCH 31)
HERRESHOFF 31 (CAT KETCH 31)

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/transom hung rudder
Rigging Type: Cat Ketch (unstayed)
LOA: 30.83 ft / 9.40 m
LWL: 27.97 ft / 8.53 m
S.A. (reported): 393.00 ft² / 36.51 m²
Beam: 10.33 ft / 3.15 m
Displacement: 7,560.00 lb / 3,429 kg
Ballast: 3,350.00 lb / 1,520 kg
Max Draft: 4.00 ft / 1.22 m
Construction: Wood/FG
Ballast Type: Lead
First Built: 1979
Last Built: 1986
# Built: 100
Builder: Cat Ketch Corp.
Designer: Halsey Herreshoff

Auxiliary Power/Tanks (orig. equip.)

Make: Nanni/Yanmar
Type: Diesel
Fuel: 18 gals / 68 L

Accomodations

Water: 60 gals / 227 L

Sailboat Calculations

Definitions
S.A. / Displ.: 16.38
Bal. / Displ.: 44.31
Disp: / Len: 154.24
Comfort Ratio: 18.07
Capsize Screening Formula: 2.11
Hull Speed: 7.09 kn
Pounds/Inch Immersion: 1,032.38 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
P: 34.00 ft / 10.36 m
E: 14.00 ft / 4.27 m
PY: 29.00 ft / 8.84 m
EY: 11.50 ft / 3.51 m
S.A. Main: 238.00 ft² / 22.11 m²
S.A. Total (100% Fore + Main Triangles): 238.00 ft² / 22.11 m²
S.A./Displ. (calc.): 9.92

Sailboat Links

Designers: Halsey Herreshoff
Builders: Cat Ketch Corp. (USA)
Download Boat Record:

Notes

Mainsail 242 sq.ft./22.48m2
Mizzen sail 151 sq.ft./14.03m2
Staysail 248 sq.ft./23.04m2