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Columbia 24 Contender vs Columbia 7.6

How do the Columbia 24 Contender and Columbia 7.6 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.

Columbia 24 Contender Columbia 24 Contender Columbia Yachts · 1963 Columbia 7.6 Columbia 7.6 Columbia Yachts · 1976
Columbia 24 ContenderColumbia 7.6
Length overall 24.0 ft7.32 m 25.1 ft7.64 m
Waterline length 18.3 ft5.56 m 20.7 ft6.30 m
Beam 7.8 ft2.39 m 9.2 ft2.80 m
Draft 3.3 ft0.99 m 3.5 ft1.07 m
Displacement 3,600 lb1,633 kg 4,500 lb2,041 kg
Ballast 1,600 lb726 kg 1,500 lb680 kg
Sail area 288 ft²26.8 m² 314 ft²29.2 m²
SA / Displacement 19.62 18.43
Displacement / Length 264 227
Comfort ratio 18.0 16.5
Capsize screening 2.04 2.22
Hull speed (kn) 5.7 6.1

Columbia 24 Contender vs Columbia 7.6: the short version

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