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Flank speed. Flank speed is an American nautical term referring to a ship 's true maximum speed but it is not equivalent to the term full speed ahead. Usually, flank speed is reserved for situations in which a ship finds itself in imminent danger, such as coming under attack by aircraft. Flank speed is very demanding of fuel and often ...
Engine order telegraph. An engine order telegraph or E.O.T., also referred to as a Chadburn, [1] is a communications device used on a ship (or submarine) for the pilot on the bridge to order engineers in the engine room to power the vessel at a certain desired speed.
The forecastle hit allowed 1,000 to 2,000 t (980 to 1,970 long tons) of water to flood into the ship, which contaminated fuel oil stored in the bow. Lütjens refused to reduce speed to allow damage control teams to repair the shell hole which widened and allowed more water into the ship. The second hit caused some additional flooding.
Background. As a ship moves in the water, it creates standing waves that oppose its movement.This effect increases dramatically in full-formed hulls at a Froude number of about 0.35 (which corresponds to a speed/length ratio (see below for definition) of slightly less than 1.20 knot·ft −½) because of the rapid increase of resistance from the transverse wave train.
The Oxford Companion to Ships and the Sea, Peter Kemp ed., 1976 pp 192–193. ISBN 0-586-08308-1; External links. Chip Log pattern on the webpage of the Navy & Marine Living History Association, Inc. Note: the distance given in the materials list for this pattern is 33 + 1 ⁄ 3 feet, but part C of "Construction" uses the modern distance of 47 + 1 ⁄ 4 feet.
The Ise-class ships had two sets of direct-drive steam turbines, each of which drove two propeller shafts, using steam provided by 24 Kampon Ro Gō water-tube boilers. The turbines were designed to produce a total of 45,000 shaft horsepower (34,000 kW ) and give the ships a speed of 23 knots (43 km/h; 26 mph).
Heermann steamed into the action at flank speed through the formation of "baby flattops" through smoke and intermittent rain squalls that had reduced visibility at times to less than 100 yd (91 m), twice having to back emergency full to avoid collisions with friendly ships, first with Samuel B. Roberts and then at 07:49 with Hoel, as she tried ...
8 × K-gun depth charge projectors. USS Underhill (DE-682) was a Buckley -class destroyer escort of the United States Navy during World War II. Built in 1943, she served in the Atlantic, the Mediterranean, and the Pacific until her sinking in a suicide attack by a Japanese Kaiten manned torpedo on 24 July 1945.