NORTHERN 7.5

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 25.25 ft / 7.70 m
LWL: 19.25 ft / 5.87 m
S.A. (reported): 290.00 ft² / 26.94 m²
Beam: 8.17 ft / 2.49 m
Displacement: 5,100.00 lb / 2,313 kg
Ballast: 2,300.00 lb / 1,043 kg
Max Draft: 4.00 ft / 1.22 m
Construction: FG
First Built: 1970
Builder: Northern Yachts (CAN)

Sailboat Calculations

Definitions
S.A. / Displ.: 15.71
Bal. / Displ.: 45.10
Disp: / Len: 319.18
Comfort Ratio: 22.81
Capsize Screening Formula: 1.90
S#: 1.51
Hull Speed: 5.88 kn
Pounds/Inch Immersion: 561.95 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 31.50 ft / 9.60 m
J: 10.40 ft / 3.17 m
P: 26.50 ft / 8.08 m
E: 9.50 ft / 2.90 m
S.A. Fore: 163.80 ft² / 15.22 m²
S.A. Main: 125.88 ft² / 11.69 m²
S.A. Total (100% Fore + Main Triangles): 289.68 ft² / 26.91 m²
S.A./Displ. (calc.): 15.69
Est. Forestay Length: 33.17 ft / 10.11 m

Sailboat Links

Related Sailboats: NORTHERN 25
Download Boat Record:

Notes

Same as the NORTHERN 25.