DOLPHIN 25 (HELMS)

DOLPHIN 25 (HELMS)

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Keel/Cbrd.
Rigging Type: Masthead Sloop
LOA: 24.85 ft / 7.57 m
LWL: 21.67 ft / 6.61 m
S.A. (reported): 260.00 ft² / 24.15 m²
Beam: 7.95 ft / 2.42 m
Displacement: 3,950.00 lb / 1,792 kg
Ballast: 300.00 lb / 136 kg
Max Draft: 5.00 ft / 1.52 m
Min Draft: 1.67 ft / 0.51 m
Construction: FG
First Built: 1968
Builder: Jack A. Helms Co. (USA)
Designer: Jack A. Helms

KLSC Leaderboard

KLSC Leaderboard

Sailboat Calculations

Definitions
S.A. / Displ.: 16.69
Bal. / Displ.: 7.59
Disp: / Len: 173.29
Comfort Ratio: 17.05
Capsize Screening Formula: 2.01
S#: 3.13
Hull Speed: 6.24 kn
Pounds/Inch Immersion: 615.56 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 30.50 ft / 9.30 m
J: 10.50 ft / 3.20 m
P: 25.50 ft / 7.77 m
E: 9.00 ft / 2.74 m
S.A. Fore: 160.13 ft² / 14.88 m²
S.A. Main: 114.75 ft² / 10.66 m²
S.A. Total (100% Fore + Main Triangles): 274.88 ft² / 25.54 m²
S.A./Displ. (calc.): 17.65
Est. Forestay Length: 32.26 ft / 9.83 m

Sailboat Links

Notes

Said to have been first built by Advance Sailboat Corp.?
Very similar to what later became the HELMS 25.