Sailboat Specifications
Hull Type:
Keel/Cbrd.
Rigging Type:
Masthead Yawl
LOA:
46.00 ft / 14.02 m
LWL:
33.00 ft / 10.06 m
Beam:
12.00 ft / 3.66 m
S.A. (reported):
881.00 ft2 / 81.85 m2
Draft (max):
10.33 ft / 3.15 m
Draft (min):
5.16 ft / 1.57 m
Displacement:
25,000 lb / 11,340 kg
Ballast:
9,000 lb / 4,082 kg
S.A./Disp.:
16.55
Bal./Disp.:
36.00
Disp./Len.:
310.56
Construction:
FG
Ballast Type:
Lead
First Built:
1969
Last Built:
1976
# Built:
12
Builder:
Grampian Marine
Designer:
William H. Tripp Jr.
Website:
Sailboat Calculations
S.A./Disp.:
16.55
Bal./Disp.:
36.00
Disp./Len.:
310.56
Comfort Ratio:
38.26
Capsize Screening Formula:
1.64
Rig and Sail Particulars
I:
47.62 ft / 14.51 m
J:
16.67 ft / 5.08 m
P:
41.00 ft / 12.50 m
E:
17.00 ft / 5.18 m
PY:
26.50 ft / 8.08 m
EY:
10.25 ft / 3.12 m
SPL/TPS:
ISP:
S.A. Fore:
396.91 ft2 / 36.87 m2
S.A. Main:
348.50 ft2 / 32.38 m2
S.A. Total (100% Fore + Main Triangles)
745.41 ft2 / 69.25 m2
S.A./Disp. (calc.):
14.01
Est. Forestay Len.:
50.45 ft / 15.38 m
Sailboat Links
Notes
With the exception of the unique feature of tandem centerboards,(offered as an option) the GRAMPIAN 46 seems to be nearly the same design as the US 46.Both of these yachts are probably from the same tooling used to build the earlier US 41.
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