LAPWORTH 40

LAPWORTH 40 photo

Sailboat Specifications


Hull Type:
Fin Keel
Rigging Type:
Masthead Sloop
LOA:
40.00 ft / 12.19 m
LWL:
28.00 ft / 8.53 m
Beam:
11.00 ft / 3.35 m
S.A. (reported):
669.00 ft2 / 62.15 m2
Draft (max):
5.50 ft / 1.68 m
Displacement:
17,800 lb / 8,074 kg
S.A./Disp.:
15.76
Disp./Len.:
361.99
Construction:
Wood
First Built:
1960
Designer:
C. William Lapworth

Sailboat Calculations

S.A./Disp.:
15.76
Disp./Len.:
361.99
Comfort Ratio:
35.71
Capsize Screening Formula:
1.69
S#:
1.26

Rig and Sail Particulars

I:
45.50 ft / 13.87 m
J:
15.50 ft / 4.72 m
P:
39.00 ft / 11.89 m
E:
16.20 ft / 4.94 m
S.A. Fore:
352.63 ft2 / 32.76 m2
S.A. Main:
315.90 ft2 / 29.35 m2
S.A. Total (100% Fore + Main Triangles)
668.53 ft2 / 62.11 m2
S.A./Disp. (calc.):
15.75
Est. Forestay Len.:
48.07 ft / 14.65 m

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