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Contrast between topographic isolation and prominence. In topography, prominence or relative height (also referred to as autonomous height, and shoulder drop in US English, and drop in British English) measures the height of a mountain or hill's summit relative to the lowest contour line encircling it but containing no higher summit within it.
A 'saddle point' in mathematics derives its name from the fact that the prototypical example in two dimensions is a surface that curves up in one direction, and curves down in a different direction, resembling a riding saddle or a mountain pass between two peaks forming a landform saddle.
In practice, the distance from the top of the saddle to the center of the bottom bracket is used as the saddle height, e.g., setting up a new bicycle using measurements from another, as this is easier to measure. Other methods and calculations are used for determining seat height, such as LeMond's formula. Some saddles now provide an even ...
A "plain" seatpost (silver) connects the saddle to the frame (red). A microadjust seatpost (black) of a Trek Fuel 80 mountain bike. A seatpost with a significant setback on a BMX bike. A bicycle seatpost, [1] seatpin, [2] saddlepole, [3] saddle pillar, [4] or saddle pin [5] is a tube that extends upwards from the bicycle frame to the saddle ...
This provides a method to calculate the roughness length by measuring the friction velocity and the mean wind velocity (at known elevation) in a given, relatively flat location (under neutral conditions) using an anemometer. [4] Of note is that, in this simplified form, the log wind profile is identical in form to the dimensional law of the wall.
The multi-position handlebars offer various grip options, and the bike's four adjustment points (seat height, seat depth, handlebar height, handlebar reach) ensure a personalized fit for riders of ...
The back is high enough that it fully supports our heads—I'm 5-foot-9 and my husband is 6-foot-1—and the leather is buttery soft (we chose the Nut Saddle finish). It's serious comfort that is ...
The orthometric height (symbol H) is the vertical distance along the plumb line from a point of interest to a reference surface known as the geoid, the vertical datum that approximates mean sea level. [1] [2] Orthometric height is one of the scientific formalizations of a layman's "height above sea level", along with other types of heights in ...