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Kicktails are the upwards bent tips of a skateboard deck, today[ when? ] considered vital to a skateboard. The front kicktail is usually called the nose while the back kicktail is referred to as the tail. Kicktails are nowadays[ when? ] key to maneuvering the board, especially in street skateboarding.
As the name suggests, kicktails first emerged in the back end of a skateboard only.[ when? ] As street skating progressed, they were made to the front ends of skateboards in an attempt to increase the height of ollies, succeeding beyond all expectations and pushing the sport even further. Kicktails are also found on some longboards. They are now[ when? ] emerging onto the scene with the ever so popular "indo boards", which are balance trainers. They[ who? ] say the kicktail will help with big tricks, pivots, slides, ollies and much more.
Introduced by Larry Stevenson in 1969 U.S. Patent #3,565,454 with the following description: The rear end section of a skateboard mounts an inclined lever that is sloped upwardly and rearwardly from the skateboard. In order to practice otherwise difficult spinning or pivoting maneuvers such as wheelies with much improved balance and safety, a person places his rear foot upon and depresses the lever to tilt the skateboard upwardly into a position for the desired maneuver.
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A skateboarding trick, or simply a trick, is a maneuver performed by manipulating a skateboard, usually with one's feet, in a specific way to achieve the desired outcome – the trick.
A bicycle brake reduces the speed of a bicycle or prevents it from moving. The three main types are: rim brakes, disc brakes, and drum brakes.
The Ackermann steering geometry is a geometric arrangement of linkages in the steering of a car or other vehicle designed to solve the problem of wheels on the inside and outside of a turn needing to trace out circles of different radii.
A longboard is a type of skateboard typified by longer decks and wheelbases, larger-diameter and softer (lower-durometer) wheels, and often lower riding height compared to street skateboards, though there is wide variation in the geometry and construction of longboards. Among the earliest types of skateboards, longboards were inspired by surfing, with early longboards drawing from the design of surfboards, resembling and mimicking the motion of riding a surfboard, but adapted to riding on streets in a practice known as sidewalk surfing.
Longboarding is typically defined as a variation of skateboarding that involves a larger board and softer urethane wheels. Longboards vary in shape and size. Compared to skateboards, longboards are more stable at speed and have more traction, due to larger wheel size and lower wheel durometers. A standard skateboard is typically between 28-34 inches long, whereas a longboard may exceed 50 inches. Many longboards use trucks that have different geometric parameters than skateboards. The skateboards use "traditional kingpin trucks" while longboards often use "reverse kingpin trucks." This hardware change is the key element in the increased stability that longboards offer.
In both road and rail vehicles, the wheelbase is the horizontal distance between the centers of the front and rear wheels. For road vehicles with more than two axles, the wheelbase is the distance between the steering (front) axle and the centerpoint of the driving axle group. In the case of a tri-axle truck, the wheelbase would be the distance between the steering axle and a point midway between the two rear axles.
The ollie is a skateboarding trick where the rider and board leap into the air without the use of the rider's hands. It is the combination of stomping, also known as popping, the tail of the skateboard off the ground to get the board mostly vertical, jumping, and sliding the front foot forward to level out the skateboard at the peak of the jump.
Freestyle BMX is bicycle motocross stunt riding on BMX bikes. It is an extreme sport descended from BMX racing that consists of five disciplines: street, park, vert, trails, and flatland. In June 2017, the International Olympic Committee announced that freestyle park was to be added as an Olympic event to the 2020 Summer Olympics.
Dirtsurfing is the sport of riding a Dirtsurfer brand inline board. This new Australian boardsport is correctly known as inline boarding because Dirtsurfer is a trademark protected brand name.
Richard Lawrence "Larry" Stevenson was the inventor of the kicktail, the bent-upwards end of a skateboard, which made most of today's skateboarding tricks possible and essentially revolutionized the sport.
After about 1910, the Baker valve gear was the main competitor to Walschaerts valve gear for steam locomotives in the United States. Strictly speaking it was not a valve gear but a variable expansion mechanism adapted to the Walschaerts layout replacing the expansion link and sliding die block. The Baker arrangement used more pivot bearings or pin joints, but avoided the die slip inherent to the expansion link, with the aim of lessening wear and the need for service; it could also facilitate longer valve travel.
A freestyle skateboarding trick is a trick performed with a skateboard while freestyle skateboarding. Some of these tricks are done in a stationary position, unlike many other skateboarding tricks. The keys to a good freestyle contest run are variety, difficulty, fluidity, and creativity. This is an incomplete list, which includes most notable tricks.
In skateboarding, grinds are tricks that involve the skateboarder sliding along a surface, making contact with the trucks of the skateboard. Grinds can be performed on any object narrow enough to fit between wheels and are performed on curbs, rails, the coping of a skate ramp, funboxes, ledges, and a variety of other surfaces.
A slide is a skateboarding trick where the skateboarder slides sideways either on the deck or the trucks.
Pumping is a skateboarding technique used to accelerate without the rider's feet leaving the board. Pumping can be done by turning or on a transition, like a ramp or quarter pipe. When applied to longboards, it is also known as Long distance skateboard pumping or LDP. Pumping is a technique similar to pumping a surfboard.
A caster board, vigorboard or waveboard is a two-wheeled, human-powered land vehicle. Other names are J-board and RipStik, both of which are derived from commercial brands.
The sideways bike is an invention, patented in 2005, by Michael Killian, a software engineer from Dublin. He was inspired by his view that snowboarding offered greater artistic potential to skiing, and decided to design a snowboard equivalent based on the conventional bicycle. The result: a bike ridden sideways with the rider operating both wheels. The bike, unlike a conventional bike, uses front-to-back balance like a snowboard. Conventional bikes use left-to-right balance, like skis. The bike is aimed the youth market and has won a number of invention awards.
A zero-turn riding lawn mower is a standard riding lawn mower with a turning radius that is effectively zero when the two drive wheels rotate in opposite direction, like a tank turning in place.
Surfskating, or surf skateboarding, is a form of skateboarding that replicates the experience of surfing on dry land. A surfskate system is distinguished from a traditional skateboard system by the utilization of two different trucks, front and back, with specific functions and geometries that, together, yield thrust, just like a surfboard.