X-21(NORTON) MH

X-21(NORTON) MH

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 21.00 ft
LWL: 17.50 ft
S.A. (reported): 202.00 ft²
Beam: 6.50 ft
Displacement: 2,000.00 lb
Ballast: 1,200.00 lb
Max Draft: 3.50 ft
Construction: FG
Ballast Type: Lead
First Built: 1972
Builder: Tradition Yachts (USA)
Designer: Tom Norton

Sailboat Calculations

Definitions
S.A. / Displ.: 20.41
Bal. / Displ.: 60.00
Disp: / Len: 166.60
Comfort Ratio: 13.76
Capsize Screening Formula: 2.07
S#: 3.57
Hull Speed: 5.61 kn
Pounds/Inch Immersion: 406.44 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 27.00 ft
J: 9.00 ft
P: 23.00 ft
E: 7.00 ft
S.A. Fore: 121.50 ft²
S.A. Main: 80.50 ft²
S.A. Total (100% Fore + Main Triangles): 202.00 ft²
S.A./Displ. (calc.): 20.41
Est. Forestay Length: 28.46 ft

Sailboat Links

Designers: Tom Norton
Download Boat Record:

Notes

The original design had a transom hung rudder.
Tradition Yachts was located in Stamford, CT (USA).