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  2. Half-pipe - Wikipedia

    en.wikipedia.org/wiki/Half-pipe

    In the absence of snow, dug out half-pipes can be used by dirt-boarders, motorcyclists, and mountain bikers. Performance in a half-pipe has been rapidly increasing over recent years. The current limit performed by a top-level athlete for a rotational trick in a half-pipe is 1440 degrees (four full 360 degree rotations).

  3. Superpipe - Wikipedia

    en.wikipedia.org/wiki/Superpipe

    Other features of a superpipe are that the width of the pipe is greater than the height of the walls, and the walls extend to near vertical. In the FIS snowboard world cup rules, the recommended width for 22 ft (6.7 m) walls is 64 ft (20 m). [1] [2] The term superpipe has evolved over the

  4. Hydraulic diameter - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_diameter

    For the limiting case of a very wide duct, i.e. a slot of width b, where b ≫ a, and a is the water depth, then D H = 4a. For a fully filled duct or pipe whose cross-section is a convex regular polygon , the hydraulic diameter is equivalent to the diameter D {\displaystyle D} of a circle inscribed within the wetted perimeter .

  5. Help:Table - Wikipedia

    en.wikipedia.org/wiki/Help:Table

    The third and later pipe characters will render, but to display two adjacent pipe characters in a cell, (instead of having them act as the first pipe at the start of a new cell), other pipe-rendering options are needed.

  6. Jacketed vessel - Wikipedia

    en.wikipedia.org/wiki/Jacketed_vessel

    Half-Pipe Coil Jackets. Pipes are split lengthwise, usually with an included angle of 180 degrees (split evenly down the middle) or 120 degrees, then wound around the vessel and welded in place. Dimple Jackets. A thin external shell is affixed to the vessel shell with spot welds located in a regular pattern, often about 50 mm on center both ...

  7. Help:Table/Advanced - Wikipedia

    en.wikipedia.org/wiki/Help:Table/Advanced

    Also, if the table has cell spacing (and thus border-collapse=separate), meaning that cells have separate borders with a gap in between, that gap will still be visible. A cruder way to align columns of numbers is to use a figure space   or  , which is intended to be the width of a numeral, though is font-dependent in practice:

  8. Nominal Pipe Size - Wikipedia

    en.wikipedia.org/wiki/Nominal_Pipe_Size

    Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...

  9. Help:Advanced table formatting - Wikipedia

    en.wikipedia.org/wiki/Help:Advanced_table_formatting

    For example, nested tables (tables inside tables) should be separated into distinct tables when possible. Here is a more advanced example, showing some more options available for making up tables. Users can play with these settings in their own table to see what effect they have.