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Hull speed or displacement speed is the speed at which the wavelength of a vessel's bow wave is equal to the waterline length of the vessel. As boat speed increases from rest, the wavelength of the bow wave increases, and usually its crest-to-trough dimension (height) increases as well. When hull speed is exceeded, a vessel in displacement mode ...
The boat has a draft of 7.25 ft (2.21 m) with the standard keel fitted. The boat is fitted with a Japanese Yanmar 3GM30F diesel engine of 40 hp (30 kW). The fuel tank holds 40 U.S. gallons (150 L; 33 imp gal) and the fresh water tank has a capacity of 60 U.S. gallons (230 L; 50 imp gal). The boat has a hull speed of 7.44 kn (13.78 km/h).
The boat has a draft of 5.25 ft (1.60 m) with the standard keel and 3.83 ft (1.17 m) with the optional wing keel. An optional tall rig has a mast about 2 ft (0.61 m) taller. The boat has a hull speed of 6.7 kn (12.41 km/h). [15] Catalina 30 Mark III This model was built between 1990-2008 and was designed by Gerry Douglas.
It displaces 11,950 lb (5,420 kg) and carries 5,000 lb (2,268 kg) of ballast. The boat has a PHRF racing average handicap of 138 with a high of 153 and low of 114. Boats built from 1985-86 have deck-stepped mast and a Universal diesel engine of 21 hp (16 kW). The boat has a draft of 5.58 ft (1.70 m) with the standard fin keel.
The hull length is 28.08 ft (8.56 m), but including the bowsprit and boomkin it is 37.75 ft (11.51 m) [1] The boat has a draft of 4.83 ft (1.47 m) with the standard keel. [1] The boat is fitted with a Swedish Volvo MD 7A diesel engine of 13 hp (10 kW) or a Japanese Yanmar diesel of 27 hp (20 kW) for docking and maneuvering. The fuel tank holds ...
The boat has a draft of 5.90 ft (1.80 m) with the standard keel, 6.40 ft (1.95 m) with the optional deep keel. There was also an optional stub keel and centreboard version. That version has a draft of 6.90 ft (2.10 m) with the centreboard extended and 4.00 ft (1.22 m) with it retracted.
The boat was fitted with an inboard engine. Its fuel tank holds 26 U.S. gallons (98 L; 22 imp gal) and the fresh water tank has a capacity of 70 U.S. gallons (260 L; 58 imp gal). [1] [4] The boat has a PHRF racing average handicap of 81 with a high of 93 and low of 75. It has a hull speed of 7.52 kn (13.93 km/h). [2] [4]
For sailing downwind the design may be equipped with an asymmetrical spinnaker of 1,399 sq ft (130.0 m 2), flown from the retractable bowsprit. [ 1 ] [ 2 ] [ 5 ] The design has a hull speed of 7.66 kn (14.19 km/h).