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The inner edge of this 5 centimetres (2.0 in) line defines the length of the track. 90 centimetres (35 in) above the inside of the track is the outside of the 5 cm wide red sprinter's line. The zone between black and red lines is sprinter's lane, which is the optimum route around the track.
The speed to fly is the optimum speed through sinking or rising air mass to achieve either the furthest glide, or fastest average cross-country speed. [1] Most speed to fly setups use units of either airspeed in kilometers per hour (km/h) and climb rate in meters per second (m/s), or airspeed in knots (kn) and climb rate in feet per minute (ft ...
The FAA states "The height–velocity diagram or H/V curve is a graph charting the safe/unsafe flight profiles relevant to a specific helicopter. As operation outside the safe area of the chart can be fatal in the event of a power or transmission failure it is sometimes referred to as the dead man's curve."
Design cruise, also known as the optimum cruise speed, is the most efficient speed in terms of distance, speed and fuel usage. [16] [17] [18] V cef: See V 1; generally used in documentation of military aircraft performance. Denotes "critical engine failure" speed as the speed during takeoff where the same distance would be required to either ...
A curve should not become a straight all at once, but should gradually increase in radius over time (a distance of around 40m-80m for a line with a maximum speed of about 100 km/h). Even worse than curves with no transition are reverse curves with no intervening straight track.
Ride height or ground clearance is the amount of space between the base of an automobile tire and the lowest point of the automobile, typically the bottom exterior of the differential housing (even though the lower shock mounting point may be lower); or, more properly, to the shortest distance between a flat, level surface, and the lowest part ...
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The average height of an NHL player is just over 6 ft 1 in (1.85 m) tall. Zdeno Chára, at 6 ft 9 in (2.06 m), is the tallest player ever to play in the NHL. In recent years, the height of goaltenders has increased as taller goaltenders can cover a larger portion of the goal when on their knees in the butterfly goaltending style.