reversing shaft
51Poppet valve — A poppet valve is a valve consisting of a hole, usually round or oval, and a tapered plug, usually a disk shape on the end of a shaft also called a valve stem. The shaft guides the plug portion by sliding through a valve guide. In most… …
52Mont Blanc Tunnel — Mont Blanc Tunnel, Italian side …
53Flow measurement — is the quantification of bulk fluid movement. Flow can be measured in a variety of ways. Positive displacement flow meters acumulate a fixed volume of fluid and then count the number of times the volume is filled to measure flow. Other flow… …
54Semi-automatic transmission — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic …
55Variable displacement pump — A variable displacement pump is a device that converts mechanical energy to hydraulic (fluid) energy. The displacement, or amount of fluid pumped per revolution of the pump s input shaft can be varied while the pump is running.Many variable… …
56USS Sea Dog (SS-401) — was a Balao class submarine in the United States Navy. She was the first ship to be named for the dogfish, a small shark of the North Atlantic, considered destructive by fishermen. Sea Dog was laid down on 1 November 1943 at the Portsmouth Navy… …
57Controllable pitch propeller — A controllable pitch propeller (CPP) or variable pitch propeller is a type of propeller with blades that can be rotated around their long axis to change their pitch. If the pitch can be set to negative values, the reversible propeller can also… …
58Thuoc lao — (thuốc lào) is a tobacco grown and consumed exclusively in Vietnam. It is most commonly smoked after a meal on a full stomach to aid in digestion , or along with green tea or local beer (most commonly the cheap bia hoi ). A hit of thuoc lao is… …
59Backlash (engineering) — In mechanical engineering, backlash, sometimes called lash or play, is clearance between mating components, sometimes described as the amount of lost motion due to clearance or slackness when movement is reversed and contact is re established.… …
60ratchet — /rach it/, n. 1. a toothed bar with which a pawl engages. 2. (not in technical use) a pawl or the like used with a ratchet or ratchet wheel. 3. a mechanism consisting of such a bar or wheel with the pawl. 4. See ratchet wheel. 5. a steady… …
