DOLPHIN 47 (ALDEN)

DOLPHIN 47 (ALDEN)

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Long Keel
Rigging Type: Staysail Ketch
LOA: 46.92 ft / 14.30 m
LWL: 34.50 ft / 10.52 m
S.A. (reported): 888.00 ft² / 82.50 m²
Beam: 13.25 ft / 4.04 m
Displacement: 32,700.00 lb / 14,832 kg
Ballast: 12,000.00 lb / 5,443 kg
Max Draft: 5.00 ft / 1.52 m
Construction: FG
First Built: 1973
Last Built: 1978
# Built: 13
Builder: Hodgsdon Bros. (USA)
Designer: John G. Alden Assoc.

Auxiliary Power/Tanks (orig. equip.)

Make: Perkins
Type: Diesel
Fuel: 200 gals / 757 L

Accomodations

Water: 200 gals / 757 L

Sailboat Calculations

Definitions
S.A. / Displ.: 13.95
Bal. / Displ.: 36.70
Disp: / Len: 355.50
Comfort Ratio: 42.34
Capsize Screening Formula: 1.66
S#: 1.17
Hull Speed: 7.87 kn
Pounds/Inch Immersion: 1,633.36 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 49.83 ft / 15.19 m
J: 19.00 ft / 5.79 m
P: 43.00 ft / 13.11 m
E: 19.25 ft / 5.87 m
S.A. Fore: 473.39 ft² / 43.98 m²
S.A. Main: 413.88 ft² / 38.45 m²
S.A. Total (100% Fore + Main Triangles): 887.27 ft² / 82.43 m²
S.A./Displ. (calc.): 13.94
Est. Forestay Length: 53.33 ft / 16.25 m

Sailboat Links

Designers: John G. Alden
Builders: Hodgdon Bros. (USA)
Download Boat Record:

Notes

Alden design #1024.