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Hull speed can be calculated by the following formula: where is the length of the waterline in feet, and is the hull speed of the vessel in knots. If the length of waterline is given in metres and desired hull speed in knots, the coefficient is 2.43 kn·m −½.
In particular, any "displacement" or non-planing boat requires much greater power to accelerate beyond its hull speed, which is determined by the length of the waterline, and can be calculated using the formula: Vmax (in knots) = square root of LWL (in feet) x 1.34. The hull speed is the speed at which the wavelength of the bow wave stretches ...
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 average speed depends on size and age. The cost of building a handymax is driven by the laws of supply and demand. In early 2007 the cost building a handymax was around $20 million. As the global economy boomed, the cost doubled to over $40 million, as demand for vessels of all sizes exceeded available yard capacity.
The boat has a PHRF racing average handicap of 144 with a high of 152 and low of 144. It has a hull speed of 7.44 kn (13.78 km/h). [15] [16] C&C 34XL Model which combines the performance of the "R", with a cruising interior. [6] C&C 34-2 This model has a waterline length of 30.83 ft (9.4 m) and a hull speed of 7.44 kn (13.78 km/h). [17] C&C 34-2 WK
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.
Nonsuch 26 Nonsuch 26 cockpit Nonsuch 26 showing the transom. The Nonsuch 26 is a recreational keelboat, built predominantly of fiberglass, with a balsa cored deck and wood trim.
There is strong evidence that hulls from different builders are the same speed. [9] Sails and spars of differing qualities enable sailors to upgrade their equipment as they progress. The Optimist is the slowest dinghy in the world according to the RYA Portsmouth Yardstick scheme, with a Portsmouth number of 1646. [ 10 ]