BOWMAN 57/58

BOWMAN 57/58

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Ketch
LOA: 57.00 ft
LWL: 44.58 ft
S.A. (reported): 1,294.00 ft²
Beam: 14.67 ft
Displacement: 16,675.00 lb
Ballast: 17,171.00 lb
Max Draft: 7.00 ft
Construction: FG
Ballast Type: Lead
First Built: 1975
Builder: Bowman Yachts/John King Shipyard
Designer: Holman & Pye

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Perkins
Model: 4.236
Type: Diesel
HP: 85
Fuel: 180 gals

Accomodations

Water: 400 gals

Sailboat Calculations

Definitions
S.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

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 64.00 ft
J: 22.00 ft
P: 56.00 ft
E: 17.00 ft
PY: 29.50 ft
EY: 9.50 ft
S.A. Fore: 704.00 ft²
S.A. Main: 476.00 ft²
S.A. Total (100% Fore + Main Triangles): 1,180.00 ft²
S.A./Displ. (calc.): 29.03
Est. Forestay Length: 67.68 ft

Sailboat Links

Designers: Kim Holman
Builders: Bowman Yachts
Download Boat Record:

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