SAN JUAN 7.7

SAN JUAN 7.7
SAN JUAN 7.7

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Fractional Sloop
LOA: 7.85 m
LWL: 6.10 m
S.A. (reported): 28.24 m²
Beam: 2.90 m
Displacement: 1,451 kg
Ballast: 499 kg
Max Draft: 1.22 m
Construction: FG
First Built: 1979
Builder: Clark Boat Co. (USA)
Designer: Don Clark

Sailboat Calculations

Definitions
S.A. / Displ.: 22.46
Bal. / Displ.: 34.38
Disp: / Len: 178.57
Comfort Ratio: 11.35
Capsize Screening Formula: 2.58
S#: 3.56
Hull Speed: 5.99 kn
Pounds/Inch Immersion: 678.89 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 8.46 m
J: 2.90 m
P: 9.14 m
E: 3.35 m
S.A. Fore: 12.25 m²
S.A. Main: 15.33 m²
S.A. Total (100% Fore + Main Triangles): 27.57 m²
S.A./Displ. (calc.): 21.93
Est. Forestay Length: 8.94 m

Sailboat Links

Builders: Clark Boat Company
Download Boat Record:

Notes

The SJ7.7 replaced the SJ 26 in 1979. Intitially this boat was called the SAN JUAN 26 PC.
Shoal keel draft: 3.25 ft
Later boats had a deeper keel and more ballast.
Draft: 4.5'/1.37m
Disp.: 3325 lts./ 1508 kgs
Ballast: 1325 lbs./605 kgs