GRAMPIAN CLASSIC 31

GRAMPIAN CLASSIC 31

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin Keel
Rigging Type: Cutter
LOA: 30.92 ft / 9.42 m
LWL: 22.29 ft / 6.79 m
S.A. (reported): 440.00 ft² / 40.88 m²
Beam: 8.40 ft / 2.56 m
Displacement: 9,722.00 lb / 4,410 kg
Max Draft: 4.40 ft / 1.34 m
Construction: FG
First Built: 1964
Builder: Grampian Marine Ltd. (CAN)
Designer: Peter Van Dine

Auxiliary Power/Tanks (orig. equip.)

Make: Universal
Model: Atomic 4
Type: Gas

Sailboat Calculations

Definitions
S.A. / Displ.: 15.51
Disp: / Len: 391.90
Comfort Ratio: 35.46
Capsize Screening Formula: 1.58
S#: 1.09
Hull Speed: 6.33 kn
Pounds/Inch Immersion: 669.01 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 33.50 ft / 10.21 m
J: 13.50 ft / 4.11 m
P: 29.50 ft / 8.99 m
E: 14.50 ft / 4.42 m
S.A. Fore: 226.13 ft² / 21.01 m²
S.A. Main: 213.88 ft² / 19.87 m²
S.A. Total (100% Fore + Main Triangles): 440.01 ft² / 40.88 m²
S.A./Displ. (calc.): 15.51
Est. Forestay Length: 36.12 ft / 11.01 m

Sailboat Links

Builders: Grampian Marine
Associations: Grampian Owners Marina
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