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Balboa 16 vs Isotope

How do the Balboa 16 and Isotope compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.

Balboa 16 Balboa 16 Coastal Recreation · 1981 Isotope Isotope Fiberglass Unlimited · 1962
Balboa 16Isotope
Length overall 16.0 ft4.88 m 16.0 ft4.88 m
Waterline length 14.7 ft4.47 m
Beam 7.5 ft2.29 m 7.5 ft2.29 m
Draft 2.4 ft0.74 m 2.5 ft0.76 m
Displacement 1,000 lb454 kg 275 lb125 kg
Ballast 400 lb181 kg
Sail area 117 ft²10.9 m² 185 ft²17.2 m²
SA / Displacement 18.72 70.00
Displacement / Length 141
Comfort ratio 7.0
Capsize screening 3.00 4.61
Hull speed (kn) 5.1

Balboa 16 vs Isotope: the short version

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