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All nautical instruments that measure the speed of a ship through water are known as logs. [2] This nomenclature dates back to the days of sail, when sailors attached a piece of lumber (a "log" of wood) to a rope knotted at regular intervals off the stern of a ship.
Figure 2: Illustration of a Mercury Manometer-Based Pitometer Log. The basic technology of the pitometer log is similar to that of the pitot tube on an aircraft. Typically, the pitometer has a long tube that penetrates the ship's hull near the keel.
A speedometer or speed meter is a gauge that measures and displays the instantaneous speed of a vehicle. Now universally fitted to motor vehicles , they started to be available as options in the early 20th century, and as standard equipment from about 1910 onwards. [ 1 ]
A browser speed test is a computer benchmark that scores the performance of a web browser, by measuring the browser's efficiency in completing a predefined list of tasks. In general the testing software is available online, located on a website, where different algorithms are loaded and performed in the browser client.
“The boat finally came off plane and drifted about 30 feet from the helicopter’s rotors. That pilot saved the day. That boat would not stop and would have torn through the course.
Famed land speed racer and racing driver Sir Henry Segrave was hired to pilot a new boat, Miss England. Although the boat was not capable of beating Wood's Miss America, [8] the British team did gain experience, which was put into an improved boat. Miss England II was powered by two Rolls-Royce aircraft engines and seemed capable of beating ...
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l'Hydroptère, the previous nautical mile record holder. Speed sailing records are sanctioned, since 1972, by the World Sailing Speed Record Council (WSSRC). Records are measured either by average speed over a specified distance or by total distance traveled during a specified time interval.