jackshaft definition
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Jackshaft A jackshaft, also called a countershaft, is a common mechanical design component used to transfer or synchronize rotational force in a machine. A jackshaft is often just a short stub with supporting bearings on the ends and two pulleys, gears, or cranks attached to it.ackshaft [edit]. The oldest uses of the term jackshaft appear to involve shafts that were intermediate between water wheels or stationary steam engines and the line shafts of 19th century mills.
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EPIPHENOMENON (epiphenomena) All work and no play makes Jack a dull boy. (English proverb) Each person at his job is a god. (Albanian proverb) Stinginess demeans the value of man.. (Arabic proverb) One bird in your hand is better than ten on the roof..
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How to Choose a Performance Camshaft Whether the camshaft is in a pushrod engine or an overhead cam engine, it controls the opening and closing of the valves. This, in turn, controls the flow of air and fuel into and out of the engine which determines engine performance, fuel economy and emissions.
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How a Crankshaft Works A crankshaft is a fundamental feature in a vehicle’s engine. It is the system that converts linear energy into rotational energy. This enables the wheels to drive the car forward. All the pistons in the engine are attached to the crank which is also connected to the flywheel. The crank works in association with other engine components to achieve a synchronized motion. This process, which enables the vehicle’s engine to run, is explained below.
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- A Flathead is an engine in which the valve is in the block, not in the head, in what is called an 'L' configuration or layout. It is one of the earliest valve configurations for the internal combustion engine and was favored at the inception of such devices for its simplicity and lower manufacturing cost.
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- It’s good to have two oars in the water in a rowboat, and also in a family. Amid all the discussion about income inequality, the minimum wage and the fate of low-skill workers, there is a policy elephant in the room: family structure. America’s family structure has termites in the basement, for two overlapping reasons.
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What Does a Crankshaft Do? A crankshaft converts the linear energy of the pistons into rotational energy in an engine. The rotational motion then transfers through the gearbox to the wheels. A crankshaft is also referred to as a crank and has four main parts, which are the main journals, the connecting rod journals, the piston assembly and a flywheel in some engines. Other parts include webs, pins, throws and rear main bearing journal.
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Femoroacetabular impingement (abbreviation for camshaft which the shape of the femoral head and neck resembles). The second is due to an excess of growth of the upper lip of the acetabular cup and is known as a 'Pincer' deformity. Colloquially, these are referred to as 'Cam' and 'Pincer'.
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jack jack up - lift with a special device; jack up the car so you can change the tire jack lift, raise, elevate, get up, bring up - raise from a lower to a higher position; Raise your hands; Lift a load
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- Jack is a wild and wooly combination of fuzzy logic and structured chaos. Jack is remarkably simple, which is why listeners grab onto it so quickly. But it's also remarkably sophisticated, which is what keeps them intrigued day after day, month after month and year after year.
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pump 1 an apparatus or machine for raising, driving, exhausting, or compressing fluids or gases by means of a piston, plunger, or set of rotating vanes. 2. Engineering, Building Trades. a shore having a jackscrew in its foot for adjusting the length or for bearing more firmly against the structure to be sustained.
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How Car Engines Work The connecting rod connects the piston to the crankshaft. It can rotate at both ends so that its angle can change as the piston moves and the crankshaft rotates. The crankshaft turns the piston's up and down motion into circular motion just like a crank on a jack-in-the-box does. The sump surrounds the crankshaft. It contains some amount of oil, which collects in the bottom of the sump (the oil pan).
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R. BUCKMINSTER FULLER All work and no play makes Jack a dull boy. (English proverb). There is no household without domestic fight (Breton proverb). He who was left by the bald is taken by the hairy.. (Arabic proverb).
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- 1. one who is employed to saw wood. (hypernym) laborer, manual laborer, labourer, jack. (derivation) saw. 2. any of several beetles whose larvae bore holes in dead or dying trees especially conifers. (synonym) sawyer beetle. (hypernym) long-horned beetle, longicorn, longicorn beetle. (hyponym) pine sawyer.
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Jackshaft Jackshaft [edit]. The oldest uses of the term jackshaft appear to involve shafts that were intermediate between water wheels or stationary steam engines and the line shafts of 19th century mills.In these early sources from New England mills in 1872 and 1880, the term jack shaft always appears in quotes.ackshaft [edit]. The oldest uses of the term jackshaft appear to involve shafts that were intermediate between water wheels or stationary steam engines and the line shafts of 19th century mills.
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Clutch Dictionary of Automotive Terms. A device that disconnects the engine from the transmission, to allow the vehicle to change gears, and then allows the engine and transmission to resume contact and turn together at a new speed.
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- Installation of new Jackshaft-style garage door opener. Opener motor mounting, cable monitor, sensors, digital control panel and remote work light. Includes two remotes. Works w/ doors up to 14' tall.
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Timing belt (camshaft) A timing belt, timing chain or cam belt is a part of an internal combustion engine that synchronizes the rotation of the crankshaft and the camshaft (s) so that the engine's valves open and close at the proper times during each cylinder's intake and exhaust strokes. timing belt, timing chain or cam belt is a part of an internal combustion engine that synchronizes the rotation of the crankshaft and the camshaft (s) so that the engine's valves open and close at the proper times during each cylinder's intake and exhaust strokes.
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jack Definition of jack plural jacks 1 a jacks plural in form but singular in construction: a game played with a set of small objects that are tossed, caught, and moved in various figures
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Definition of Engine displacement Engine displacement Definition from Encyclopedia Dictionaries & Glossaries. Wikipedia Dictionaries. English Wikipedia - The Free Encyclopedia. Engine displacement is the volume swept by all the pistons inside the cylinders of a reciprocating engine in a single movement from top dead centre (TDC) to bottom dead centre (BDC). It is commonly specified in cubic centimetres (cc or cm3), litres (l), or (mainly in North America) cubic inches (CID).
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Jack (device) A hydraulic jack uses hydraulic power. The most common form is a car jack, floor jack or garage jack, which lifts vehicles so that maintenance can be performed. Jacks are usually rated for a maximum lifting capacity (for example, 1.5 tons or 3 tons). Industrial jacks can be rated for many tons of load.
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Crankcase The enclosure forms the largest cavity in the engine and is located below the cylinder(s) , which in a multicylinder engine is usually integrated into one or several cylinder blocks. Crankcases have often been discrete parts, but more often they are integral with the cylinder bank(s), forming an engine block. Nevertheless, the area around the crankshaft is still usually called the crankcase.
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symbol noun. The Jack o'lantern is a symbol of Halloween. The Jack o'lantern is a symbol of Halloween. The definition of a symbol is something that stands for or represents something else. An example of symbol is a jack o' lantern representing Halloween.
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Jack-o'-lantern A jack-o'-lantern in the shape of the Wikipedia logo. A jack-o'-lantern (or jack o'lantern) is a carved pumpkin or turnip lantern, associated with the holiday of Halloween and named after the phenomenon of a strange light flickering over peat bogs, called will-o'-the-wisp or jack-o'-lantern.
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wrench noun. verb. The definition of a wrench is a tool with jaws used for holding, turning or twisting. An example of a wrench is what someone would use to loosen and unscrew a bolt. Wrench is defined as to twist or jerk suddenly with force.
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- All About Cylinder Heads and How They Work. Your cylinder head or heads are located, as you might expect, at the top of your engine. Inline or straight engines have one cylinder head, while V-shaped engines and boxer engines have two, one for each bank of cylinders.