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23 relations: American Petroleum Institute, Block (sailing), Boat, Crane (machine), Deadeye, Differential pulley, Force, Friction, Gear train, Hero of Alexandria, Human factors and ergonomics, Mechanical advantage, Mechanical efficiency, Pulley, Rope, Sailing ship, Southern Illinois University Press, Tripod, Trucker's hitch, Two six heave, Winch, Wire rope, Z-drag.
American Petroleum Institute
The American Petroleum Institute (API) is the largest U.S. trade association for the oil and natural gas industry.
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Block (sailing)
In sailing, a block is a single or multiple pulley.
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Boat
A boat is a watercraft of a large range of type and size.
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Crane (machine)
A crane is a type of machine, generally equipped with a hoist rope, wire ropes or chains, and sheaves, that can be used both to lift and lower materials and to move them horizontally.
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Deadeye
A deadeye is an item used in the standing and running rigging of traditional sailing ships.
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Differential pulley
A differential pulley, also called "Weston differential pulley", sometimes "chain hoist" or colloquially "chain fall", is used to manually lift very heavy objects like car engines.
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Force
In physics, a force is any interaction that, when unopposed, will change the motion of an object.
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Friction
Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.
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Gear train
A gear train is a mechanical system formed by mounting gears on a frame so the teeth of the gears engage.
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Hero of Alexandria
Hero of Alexandria (ἭρωνGenitive: Ἥρωνος., Heron ho Alexandreus; also known as Heron of Alexandria; c. 10 AD – c. 70 AD) was a mathematician and engineer who was active in his native city of Alexandria, Roman Egypt.
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Human factors and ergonomics
Human factors and ergonomics (commonly referred to as Human Factors), is the application of psychological and physiological principles to the (engineering and) design of products, processes, and systems.
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Mechanical advantage
Mechanical advantage is a measure of the force amplification achieved by using a tool, mechanical device or machine system.
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Mechanical efficiency
Mechanical efficiency measures the effectiveness of a machine in transforming the energy and power that is input to the device into an output force and movement.
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Pulley
A pulley is a wheel on an axle or shaft that is designed to support movement and change of direction of a taut cable or belt, or transfer of power between the shaft and cable or belt.
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Rope
A rope is a group of yarns, plies, fibers or strands that are twisted or braided together into a larger and stronger form.
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Sailing ship
The term "sailing ship" is most often used to describe any large vessel that uses sails to harness the power of wind.
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Southern Illinois University Press
Southern Illinois University Press or SIU Press, founded in 1956, is a university press located in Carbondale, Illinois, owned and operated by Southern Illinois University.
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Tripod
A tripod is a portable three-legged frame or stand, used as a platform for supporting the weight and maintaining the stability of some other object.
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Trucker's hitch
The trucker's hitch is a compound knot commonly used for securing loads on trucks or trailers.
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Two six heave
"Two, six, heave" is a phrase used to coordinate seamen's pulling.
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Winch
A winch is a mechanical device that is used to pull in (wind up) or let out (wind out) or otherwise adjust the "tension" of a rope or wire rope (also called "cable" or "wire cable").
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Wire rope
Steel wire rope (right hand langs lay) Wire rope is several strands of metal wire twisted into a helix forming a composite "rope", in a pattern known as "laid rope".
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Z-drag
A Z-Drag or Z-Rig is an arrangement of lines and pulleys commonly used in rescue situations.
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References
[1] https://en.wikipedia.org/wiki/Block_and_tackle
