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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 ...
For the International rule, the rating number is approximately equal to the sailing length of the hull. These boats have long overhangs which allow the waterline length to increase as the boat heels over. A displacement hull's maximum speed (the hull speed) is directly proportional to the square root of its waterline length. [2] The first ...
The boat has a draft of 4.00 ft (1.22 m) with the standard keel fitted and is normally fitted with a small 3 to 6 hp ... It has a hull speed of 5.92 kn ...
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 5.67 ft (1.73 m) with the centreboard extended and 1.50 ft (0.46 m) with it retracted, allowing beaching or ground transportation on a trailer. [ 1 ] The boat is normally fitted with a small 3 to 6 hp (2 to 4 kW) outboard motor for docking and maneuvering.
The boat is normally fitted with a small outboard motor for docking and maneuvering. The fresh water tank has a capacity of 20 U.S. gallons (76 L; 17 imp gal). [1] [4] The boat has a PHRF racing average handicap of 213 with a high of 220 and low of 206. It has a hull speed of 6.46 kn (11.96 km/h). [2] [4]
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.
The boat is normally fitted with a small 3 to 6 hp (2 to 4 kW) outboard motor for docking and maneuvering. [1] [5] ... It has a hull speed of 5.79 kn (10.72 km/h). [2]