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Discovery 7.9 vs Grampian 26

How do the Discovery 7.9 and Grampian 26 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.

Discovery 7.9 Discovery 7.9 Grampian Marine · 1975 Grampian 26 Grampian 26 Grampian Marine · 1967
Discovery 7.9Grampian 26
Length overall 26.0 ft7.92 m 26.0 ft7.92 m
Waterline length 21.8 ft6.63 m 21.8 ft6.63 m
Beam 8.3 ft2.54 m 8.3 ft2.54 m
Draft 3.8 ft1.14 m 3.0 ft0.91 m
Displacement 5,100 lb2,313 kg 5,000 lb2,268 kg
Ballast 2,300 lb1,043 kg 2,600 lb1,179 kg
Sail area 323 ft²30.0 m² 326 ft²30.3 m²
SA / Displacement 17.44 17.84
Displacement / Length 221 217
Comfort ratio 20.3 19.9
Capsize screening 1.94 1.95
Hull speed (kn) 6.2 6.2

Discovery 7.9 vs Grampian 26: the short version

Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.