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Chainline on a fixed-gear bicycle. The chainline is the angle of a bicycle chain relative to the centerline of the bicycle frame. [1] A bicycle is said to have a perfect chainline if the chain is parallel to the centerline of the frame, which means that the rear sprocket is directly behind the front chainring. [1]
This reduces the number of parts needed to assemble the chain and reduces cost. The chain is also more flexible sideways, which is needed for modern derailleur gearing, because the chainline is not always straight in all gear selections. [2] The first solid bush-roller patent was filed by the Renold Chain company in 1880.
The Knudsen number is a dimensionless number defined as =, where = mean free path [L 1], = representative physical length scale [L 1].. The representative length scale considered, , may correspond to various physical traits of a system, but most commonly relates to a gap length over which thermal transport or mass transport occurs through a gas phase.
The self-linking number obtained by moving vertically (along the blackboard framing) is known as Kauffman's self-linking number. The linking number is defined for two linked circles; given three or more circles, one can define the Milnor invariants , which are a numerical invariant generalizing linking number.
The runoff curve number (also called a curve number or simply CN) is an empirical parameter used in hydrology for predicting direct runoff or infiltration from rainfall excess. [1] The curve number method was developed by the USDA Natural Resources Conservation Service , which was formerly called the Soil Conservation Service or SCS — the ...
You can find the routing number printed on the bottom-left corner of a check. A set of three numbers are printed along the bottom of each check in this order: Routing number, account number and ...
The chain is still used in agriculture: measuring wheels with a circumference of 0.1 chain (diameter ≈ 2.1 ft or 64 cm) are still readily available in Canada and the United States. For a rectangular tract, multiplying the number of turns of a chain wheel for each of two adjacent sides and dividing by 1,000 gives the area in acres.
Kim Kardashian turned heads in a sultry backless look for her latest red carpet moment.. The reality star, 44, stepped out to the Fourth Annual Fifteen Percent Pledge Gala in Los Angeles on ...