Sailboat Specifications
DefinitionsHull Type: | Fin with rudder on skeg |
Rigging Type: | Masthead Ketch |
LOA: | 57.00 ft / 17.37 m |
LWL: | 44.58 ft / 13.59 m |
S.A. (reported): | 1,294.00 ft² / 120.22 m² |
Beam: | 14.67 ft / 4.47 m |
Displacement: | 16,675.00 lb / 7,564 kg |
Ballast: | 17,171.00 lb / 7,789 kg |
Max Draft: | 7.00 ft / 2.13 m |
Construction: | FG |
Ballast Type: | Lead |
First Built: | 1975 |
Builder: | Bowman Yachts/John King Shipyard |
Designer: | Holman & Pye |
Auxiliary Power/Tanks (orig. equip.)
Make: | Perkins |
Model: | 4.236 |
Type: | Diesel |
HP: | 85 |
Fuel: | 180 gals / 681 L |
Accomodations
Water: | 400 gals / 1,514 L |
Sailboat Calculations
DefinitionsS.A. / Displ.: | 31.84 |
Bal. / Displ.: | 102.97 |
Disp: / Len: | 84.02 |
Comfort Ratio: | 14.92 |
Capsize Screening Formula: | 2.30 |
S#: | 6.49 |
Hull Speed: | 8.95 kn |
Pounds/Inch Immersion: | 2,336.77 pounds/inch |
Rig and Sail Particulars
HELPI: | 64.00 ft / 19.51 m |
J: | 22.00 ft / 6.71 m |
P: | 56.00 ft / 17.07 m |
E: | 17.00 ft / 5.18 m |
PY: | 29.50 ft / 8.99 m |
EY: | 9.50 ft / 2.90 m |
S.A. Fore: | 704.00 ft² / 65.40 m² |
S.A. Main: | 476.00 ft² / 44.22 m² |
S.A. Total (100% Fore + Main Triangles): | 1,180.00 ft² / 109.63 m² |
S.A./Displ. (calc.): | 29.03 |
Est. Forestay Length: | 67.68 ft / 20.63 m |
Notes
The 57 has a traditional counter.
LOA reversed transom: 56.08 ft / 17.1 m
Keel or Keel/Centerboard. versions.
Deep keel: draft 8.33 ft / 2.54m; ballast 17171 lbs / 7788kg
Centerboard: draft max 11 ft / 3.35m; min 5.75 ft / 1.75m; ballast 16500 lbs / 7484kg
Mk II and Mk III have 360 gal water tanks
Other engines available include Mercedes OM314, Tempest Ford 6.87 and Perkins H 6.534
Sloop or Cutter rigged
LOA reversed transom: 56.08 ft / 17.1 m
Keel or Keel/Centerboard. versions.
Deep keel: draft 8.33 ft / 2.54m; ballast 17171 lbs / 7788kg
Centerboard: draft max 11 ft / 3.35m; min 5.75 ft / 1.75m; ballast 16500 lbs / 7484kg
Mk II and Mk III have 360 gal water tanks
Other engines available include Mercedes OM314, Tempest Ford 6.87 and Perkins H 6.534
Sloop or Cutter rigged
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