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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.
The Paceship Chance 32/28 (Chance 32) is a small recreational keelboat.It has a masthead sloop rig, a skeg-hung rudder, and a fixed fin keel.The boat has a draft of 5.75 ft (1.75 m). [1]
A polar diagram, or polar plot, is a graph that shows a sailboat's potential speed over a range of wind speeds and relative wind angles. [1] It normally consists of the right side of a line chart with the radius representing the yacht speed and the angle representing the wind direction blowing from top to bottom. Several lines are normally ...
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]
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All versions have a length overall of 26.17 ft (8.0 m) and a waterline length of 21.67 ft (6.6 m), with hull speed of 6.24 kn (11.56 km/h). [1] The boats all have a draft of 4.00 ft (1.22 m) with the standard keel fitted. The design is equipped with a transom well to mount a small outboard motor for docking and maneuvering. The outboard's fuel ...
Taffrail Log Rotator Mechanical speed logs called patent logs [1] or taffrail logs, operating on physical principles in a manner similar to a car's odometer by towing a vane or rotor from the stern (or taffrail) by a long line, were developed in the eighteenth century (or earlier) but became practical in the nineteenth century and replaced the ...
Ontario 32. In a review Michael McGoldrick wrote, "The Ontario 32 is a no-nonsense cruising boat with respectable performance, and it remains in high demand...The Ontario 32's popularity is in large part due to the fact that Ontario Yachts built these boats to very high standards and included many sought-after cruising features including, for example, dorade boxes for added ventilation, three ...