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Longboard (skateboard)
A longboard is a type of sports equipment somewhat similar to a skateboard, but much longer. Often faster because of wheel size, it's commonly used for cruising, downhill racing, slalom racing, sliding, and transport.〔(Board shapes and their uses )〕
==Dimensions==
Most boards measure in length while widths vary from . There are several longboard shapes, such as pintails, swallowtails, flat-nose riders, drop-through decks, drop decks and boards with the same shape as a standard skateboard. Pintails permit looser trucks and larger wheels which are better suited for carving or a "smooth" feel, whereas drop decks and drop throughs allow the rider to be closer to the ground, hence a lower center of gravity which increases stability and allows these boards to support more high speed downhill riding disciplines. Mid-length boards, are the most versatile. Their greater weight and bulk makes them less suitable for many skateboarding tricks, but contributes to a fluid motion by providing more momentum. The longboard's design allows for big turns or quick short carves similar to the motions of surfers or snowboarders. Longboards have 3 axes: the tail axis (running from tail to tail), the central axis (running straight down through the center of the board), and the short axis (running from the width of the board and perpendicular to the tail axis).
The previous record for the longest distance traveled on a longboard was set by David Cornthwaite in 2006 when he skated from Perth to Brisbane across Australia.〔David Cornthwaite#BoardFree Australia〕
This record has since been broken by Rob Thomas of New Zealand, who skated .〔(【引用サイトリンク】title=Around the world in 850 days – on a skateboard )〕 The land speed record on a longboard was set in 2012, when Mischo Erban reached a speed of 129.94 km/h (80.741 mph).〔(【引用サイトリンク】title=B.C. longboarder breaks world speed record )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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