What does crank mean?
Crank is a pejorative term used for a person who holds an unshakable belief that most of his or her contemporaries consider to be false. Crank may also refer to an ill-tempered person or one who is in a bad mood, but that usage is not the subject of this article.
What is a crank used for?
A crank is an arm attached at a right angle to a rotating shaft by which circular motion is imparted to or received from the shaft. When combined with a connecting rod, it can be used to convert circular motion into reciprocating motion, or vice versa.
Where does the term crank come from?
Popularized by bikers and truckers as long ago as the 1950’s and nicknamed crank because it was often hidden in their crankcases, it was also once known as ”blue-collar cocaine. ” Later it became popular among gay men.
What does crank out a paper mean?
: to produce especially in a mechanical manner crank out a manuscript.
What is crank size?
The crank length represents the distance between the centre of the bottom bracket and the centre of the pedal axis. The most common lengths are 170, 172.5 and 175 mm, but it is possible to find cranks between 165 and 180 mm in the market.
How does a crank and rod work?
Together with the crank, the connecting rod converts the reciprocating motion of the piston into the rotation of the crankshaft. The connecting rod is required to transmit the compressive and tensile forces from the piston, and rotate at both ends.
How does the crankshaft work?
A crankshaft is a shaft driven by a crank mechanism, consisting of a series of cranks and crankpins to which the connecting rods of an engine are attached. It is a mechanical part able to perform a conversion between reciprocating motion and rotational motion.
What is double crank mechanism?
Double Crank Mechanism is a four bar linkage. In this linkage, both the links pivoted to the fixed link rotates fully. It is a Grashof linkage for which the sum of the lengths of the shortest link and the largest link is less than the sum of the lengths of the other two links.