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Counter turn diagram. A counter turn is a kind of one-foot turn in figure skating. Unlike three turns and brackets, where the entry and exit edges follow the same curve, in a counter the entry and exit are on opposite curves. When executing a counter, the skater turns outward to the curve of the entry edge, and exits on a curve in the same ...
Countersteering. Countersteering is used by single-track vehicle operators, such as cyclists and motorcyclists, to initiate a turn toward a given direction by momentarily steering counter to the desired direction ("steer left to turn right"). To negotiate a turn successfully, the combined center of mass of the rider and the single-track vehicle ...
Left flank march or left turn, it is still the same even on the march for some countries: All members marching 90° turn to the left, done by rotation on the right ball and the left heel. Right incline (U.S.: Column half-right, march ), is a half turn to the right, usually used when a flight, squad, platoon, etc. is not in its proper alignment.
Counter-rotating propellers (CRP) are propellers which turn in opposite directions to each other. [1] They are used on some twin- and multi- engine propeller-driven aircraft. The propellers on most conventional twin-engined aircraft turn clockwise (as viewed from behind the engine). Counter-rotating propellers generally turn clockwise on the ...
Turning movement counters. Turning movement counters (TMC's) are devices used to manually quantify the movement of vehicles through an intersection. TMC's are square shaped boxes that have buttons for each direction of traffic flow. For example, east bound traffic entering an intersection has a button for those vehicles that turn, left, right ...
Coaxial-rotor aircraft. A coaxial-rotor aircraft is an aircraft whose rotors are mounted one above the other on concentric shafts, with the same axis of rotation, but turning in opposite directions (contra-rotating). This rotor configuration is a feature of helicopters produced by the Russian Kamov helicopter design bureau.
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Mechanical counters are counters built using mechanical components. They typically consist of a series of disks mounted on an axle, with the digits zero through nine marked on their edge. The right most disk moves one increment with each event. Each disk except the left-most has a protrusion that, after the completion of one revolution, moves ...