Catalac 8M vs Heavenly Twins

Compare up to 4 boats side by side.

On the numbers

Next to the Catalac 8M, the Heavenly Twins is the same length and of similar displacement. The Heavenly Twins has the higher D/L (282), the Catalac 8M the lower (169). The Heavenly Twins has the higher Comfort ratio (12.8, lightweight racing), the Catalac 8M the lower (11.5, lightweight racing). They have the same Capsize screening (2.98).

Catalac 8M Catalac 8M Heavenly Twins Heavenly Twins
General
Builder Tom Lack Catamarans Heavenly Cruising Yachts Ltd.
Designer J. Winterbotham/T.M. Lack Pat Patterson
Hull type Catamaran (no boards/asym.) Catamaran (no boards/asym.)
Rigging Masthead Sloop Masthead Sloop
Construction FG FG
First built 1975 1971
Number built 212 –
Dimensions
Length overall 8.23 m 8.23 m
Waterline length 7.77 m ▲ 6.55 m ▼
Beam 4.17 m ▼ 4.19 m ▲
Draft (max) 0.61 m ▼ 0.69 m ▲
Weight & ballast
Displacement 2,850 kg ▼ 2,851 kg ▲
Engine & tanks
Engine make – Yanmar
Fuel 76 L ▼ 90 L ▲
Water 265 L ▲ 234 L ▼
Ratios
D/L 169 ▼ 282 ▲
Comfort ratio 11.5 ▼ lightweight racing 12.8 ▲ lightweight racing
Capsize screening 2.97 ▼ above the guideline 2.98 ▲ above the guideline
Hull speed 6.77 kn ▲ 6.21 kn ▼
KSP 0.53 ▼ 0.57 ▲

▲ highest and ▼ lowest value in each row. Ratio bands as on the yacht pages; – means the value is not in the catalogue.