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DIAMOND 27

Built by Thames Marine Ltd, (UK) • Designed by Alan Buchanan
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DIAMOND 27 - Photo
DIAMOND 27 - Drawing

General Information

Hull Type: Long keel w/trans. hung rudder
Rigging Type: Masthead Sloop
Construction: FG
First Built: 1963
Last Built: 1966
Number Built: 12

Dimensions

Length Overall (LOA): 8.23 m
Length Waterline (LWL): 6.17 m
Beam: 2.34 m
Draft (Max): 1.22 m

Weight & Ballast

Displacement: 2,722 kg
Ballast: 1,361 kg

Sail Plan

Foresail Area: 13.94 m²
Mainsail Area: 13.22 m²
Total Sail Area (calculated): 27.16 m²
Sail Area (reported): 27.13 m²
I (Fore Triangle Height): 9.14 m
J (Fore Triangle Base): 3.05 m
P (Mainsail Hoist): 7.54 m
E (Boom Length): 3.51 m

Engine & Systems

Engine Make: Vire
Engine Type: Gas
Engine Power: 6 HP
Water Capacity: 57 L

Performance Ratios

Hull Speed: 6.03 knots
SA/Displacement (Calculated): 13.93
SA/Displacement (Reported): 14.19
Ballast/Disp Ratio: 50.00%
Displacement/Length: 322.57
Comfort Ratio: 27.58
Capsize Screening: 1.69
S-Number: 1.38

Notes

In 1966 Offshore Yachts aquired the molds and renamed the boat the HALCYON 27. See HALCYON 27.

Market Value

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