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DISCOVERY 7.9 (GRAMPIAN)
Built by Grampian Marine Ltd. (CAN)
• Designed by Alex McGruer
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General Information
Hull Type:
Fin w/transom hung rudder
Rigging Type:
Masthead Sloop
First Built:
1975
Last Built:
1977
Dimensions
Length Overall (LOA):
7.92 m
Length Waterline (LWL):
6.63 m
Beam:
2.54 m
Draft (Max):
1.14 m
Weight & Ballast
Displacement:
2,313 kg
Ballast:
1,043 kg
Sail Plan
Foresail Area:
16.99 m²
Mainsail Area:
13.01 m²
Sail Area:
30.00 m²
Sail Area (reported):
29.54 m²
I (Fore Triangle Height):
10.13 m
J (Fore Triangle Base):
3.35 m
P (Mainsail Hoist):
8.53 m
E (Boom Length):
3.05 m
Est. Forestay Length:
10.67 m
Engine & Systems
Performance Ratios
Hull Speed:
6.25 knots
SA/Displacement (Calc):
17.49
SA/Displacement (Reported):
17.22
Ballast/Disp Ratio:
45.10%
Displacement/Length:
221.28
Comfort Ratio:
20.32
Capsize Screening:
1.94
S-Number:
2.52
Immersion:
116 kg/cm
Notes
Based on the GRAMPIAN 26 but with a raised deck and coachroof. Very few built.
Market Value
No pricing data available yet.
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