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The reversing lever has a catch mechanism which engages with a series of notches to hold the lever at the desired cut-off position. This means that the operator does not have a full choice of cut-off positions between maximum and mid-gear, but only those which correspond with the notches.
One is to reverse the locomotive's direction, e.g. when shunting. The other is to enable more fuel-efficient operation when the locomotive is running in a steady state: the throttle is set wide open and the power output is controlled by moving the reversing lever closer to its mid-point ("reducing the cut-off ") to limit the amount of steam ...
The three-point hitch (British English: three-point linkage) is a widely used type of hitch for attaching ploughs and other implements to an agricultural or industrial tractor. [ 1 ] [ 2 ] The three points resemble either a triangle, or the letter A.
The photos on the right show the planet carrier from a Ford FMX automatic transmission. The planet carrier is the central part of a planetary gear set. Not shown are the two sun gears, called primary and secondary, that rotate within the carrier. Also not shown is a ring gear, also called an annulus, having internal teeth fitting around the ...
M1134 anti-tank guided missile vehicle is a U.S. anti-tank missile carrier that is an armored fighting vehicle from the Stryker family of vehicles. As the primary tank destroyer system of the US Army's Stryker Brigade Combat Team (SBCT), the M1134 ATGM Vehicle reinforces the SBCT's infantry battalions, reinforces the SBCT reconnaissance squadron and provides long-range direct fire.
In engineering, a dog is a tool or part of a tool, such as a pawl, that prevents or imparts movement through physical engagement. [1] It may hold another object in place by blocking it, clamping it, or otherwise obstructing its movement.
A crosshead as part of a reciprocating piston and slider-crank linkage mechanism. Cylindrical trunk guide Hudswell Clarke Nunlow; crosshead and two slide bars. In mechanical engineering, a crosshead [1] is a mechanical joint used as part of the slider-crank linkages of long stroke reciprocating engines (either internal combustion or steam) and reciprocating compressors [2] to eliminate ...
George Hampden Crosman (November 2, 1799 – May 28, 1882) was a career officer in the Regular Army of the United States who served primarily with the Quartermaster Corps. After graduating from the United States Military Academy at West Point in 1823, Crosman served at various army posts in the Midwestern United States during the 1820s and 1830s.