Caster board

Last updated
The bottom of a typical casterboard Waveboardbottom.jpg
The bottom of a typical casterboard

A caster board, vigorboard or waveboard is a two-wheeled, human-powered land vehicle. Other names are J-board and RipStik (sometimes written ripstick or rip stick), both of which are derived from commercial brands.

Contents

A caster board has two narrow platforms known as "decks" that are joined by a torsion bar, which consists of a metal beam, usually coated by rubber, that houses a strong spring. One polyurethane wheel is mounted to each deck with a caster so that each wheel can steer independently, and each caster has a steering axis that is tilted about 30° back from the vertical.

Origins

The original caster board was called an "EssBoard"—the brainchild of South Korean inventor Singi Kang (KANG Shin Ki), who came up with this radical redesign of the skateboard as early as 2002. His initial patent application that year (“The skateboard that go forward by swing”) [1] was revised and resubmitted (“Skateboard with direction-caster”), with approval following in August of 2003. [2] Meanwhile, Kang’s company, Slovie, had partnered with another firm, Decolee, to mass-produce boards made of ABS alloy. As of December, 2003, according to Joongang Daily, two models were available. "The short board is popular for tricks. The long board is faster. … EssBoard is still new enough that the repertoire of tricks is evolving almost daily, mostly inspired by skateboarding and snowboarding. These tricks are shared at EssBoard gatherings or through the Internet clubs." [3]

Despite wide popularity at home and abroad in the following years, Slovie’s flagship EssBoard product became a prominent victim of intellectual property rights theft, as “cheap Chinese copycat boards began to erode sales, causing them to dive from 7.4 billion won ($6.5 million) in 2006 to 100 million won” in 2009. “With the loss, employment at the firm shrank from 30 to six.” [4]

Kang’s application for a US patent was published in late 2004 [5] and granted in 2007 as USpatent 7195259B2  . [6] In the interim, his Slovie Co. had licensed the EssBoard patent to legitimate manufacturers, including (in 2006) two California-based companies: StreetSurfing, makers of The Wave, and Razor, which offered the RipStik. [7] In 2008, Razor secured worldwide rights (outside South Korea and China) to the patent [8] , and by 2010 an industry trade journal noted that “control over the basic caster board patent helped Razor’s sales [over] competing sports products … similar in appearance and operation.” [9]

Within five years of the caster board’s invention, before Razor’s version eclipsed the others in popularity, a host of designers had come up with small modifications, and for a time the market supported numerous competitors. A UK fan site from the 2008 era posted articles about such rides as the T-Board (created by Tierney Rides), the Blade Board, the Exboard, and the OBoard. [10]

Movement

Demonstration of usage

The motion requires that the board be twisted back and forth so as to move either just the back foot or both the front and back feet side to side, essentially pushing the board forward at the outside of the movement, before the foot is brought back in the other direction. In principle, the act is similar to what is required to propel one who is riding inline skates forward, as opposed to how skateboarders push with their feet on the ground. Riding a caster board requires using a twisting motion of hips and legs.

A rider or "caster boarder" gains speed because each wheel is mounted on a 30° slant on the bottom of each deck. When each deck is pushed to the side, it causes the board to be pushed upward by the wheels' rotation against the gradient of the mounts. This creates potential energy that is then released moves back down under the rider's weight and its own combined. The weight pushing the board back down causes the wheels to turn to face straight again. While riding on a caster board, the increase in height is barely noticeable unless the rider twists the board along the vertical axis too hard, causing stability to be momentarily reduced.

Caster boarding has been introduced into many school curricula as a means of teaching the basic movement principles that govern board-sports. The success in its ability to engage with pupils not interested in sport was assessed in a 12-week, 6 secondary school case study in the UK carried out by Curriculum Ex. [11]

Foot placement

As in skateboarding, riding with the left foot leading is called "Regular stance". Riding with the right foot leading is called "Goofy stance". Werne-160-Skaten.JPG
As in skateboarding, riding with the left foot leading is called "Regular stance". Riding with the right foot leading is called "Goofy stance".

Foot placement is similar to that of a skateboard. Foot placement is critical on a caster board because one wheel rests under each foot while in use. In order to start with proper foot placement, it is necessary to have the front foot above the center of the front caster and to allow the back foot to give a good push of speed that will allow the board to keep proper balance. Attempting to place the back foot too quickly will make it even more difficult to achieve a desirable foot placement, so it is best to give that foot a maximum of two seconds for it to properly set itself on the board. More experienced riders will be able to place their back feet more quickly. A manual is performed by putting the rear foot on the back end of the rear deck without letting it come off and gently lifting the front foot.

If the user is already riding the board and the user recognizes that the foot placement is slightly undesirable, the user could replace both feet simultaneously without interrupting their ride that is already taking place. This is done by the rider's first making sure that they are riding at a normal speed and that the riding surface ahead is stable for riding on and then jumping with both feet at a minimal height that allows both shoes to separate their treads from the grips of the caster board. The rider may continue to "hop around" the board until a most desirable foot placement is achieved and for as long as a proper speed is maintained. Hopping around may even more easily produce better results than getting off the board and getting back on again. A much more difficult means of replacing the feet while riding is attempting to correct only one foot at a time, increasing the risk of shifting their weight too far forward or backward and falling to the ground.

Steering

In order to steer properly on a caster board, the front foot must lean into the curve while the back foot leans out of the curve. By leaning the front foot in and the back foot out, the front wheel, which will have its front facing inward, is forced to form an arc with the back wheel, which will have its front facing outward. This arcing allows for very sharp turning, but can be exercised for making wide turns as well. While attempting to turn on the board at a higher speed and/or using a tighter arc, the rider leans their center of gravity into the turn to keep from falling from the board. However, like all vehicles, there is a limit to the combined sharpness and speed of turning on a caster board without it becoming overturned. It is possible to propel the board while turning by making weaving motions that are typically smaller than those of a relatively straight trajectory.

The wrong way to turn on a caster board is to lean both decks in the direction of the turn, which will cause the board to move away from the leaning direction in a parallel-sliding fashion.

Safety

A helmet, elbow pads, knee pads, gloves, and shin guards are recommended when using a caster board. [12] Falling is common for inexperienced riders. [13]

Tricks

A variety of tricks can be done on a caster board. They are coping and ledge [14] tricks, manuals, [15] Carves and flips. [16] The various flips tricks include: Kickflip, Pop Shove it Half Cab, No Comply Impossible, Double Kickflip, Fakie Kickflip, Switch Kickflip, Fakie Bigspin, Nollie Kickflip, Nollie Heelflip, Nollie Frontside 180 Bigspin, Varial Kickflip, Varial Heelflip, Backside 180 Kickflip, Frontside 180 Heelflip, Frontside 180 Kickflip, 360 Kickflip and the Frontside 180 Double Kickflip. [17] [18] [19] [20]

Skatepark

Casterboarders can ride in skateparks as with other types of skateboards. However, some skateparks have prohibited caster boards. Planet Park (Hachioji city) skatepark in Tokyo, Japan allows only skateboards with four wheels and a single deck. [21] The Japan Skatepark Association claims that if a caster board rider falls, it can be difficult to predict which direction the board will travel, constituting an unpredictable element of danger that may interfere with other skateboarders, inline-skaters and BMX riders in the park.

Exercise

In 2009, St Helens Council in England promoted the boards in several of its schools, seeing it as a method of inspiring children who would not normally take part in traditional exercise, and praising it as "a fully inclusive activity that requires a great deal of skill and fitness". [22] Some teachers at the schools reported drops in truancy, with pupils not wishing to miss school should they miss their "Vigorboard" session. [23]

An independent study conducted by the University of Salford found that vigorboarding resulted in an average increase in heart rate of 227% and a 535% increase in energy expenditure. The study also concluded that vigorboarding results in a 233% greater energy expenditure (407kcal/hr) than walking at 3 mph (174.5kcal/hr). [24] In its conclusion, the study said that Vigorboarding "may be a useful alternative to increasing physical activity levels and energy expenditure, especially for individuals that do not wish to participate in the usual sports or activities performed by adolescents.". [25]

See also

Related Research Articles

<span class="mw-page-title-main">Skateboarding</span> Action sport on skateboards

Skateboarding is an action sport that involves riding and performing tricks using a skateboard, as well as a recreational activity, an art form, an entertainment industry job, and a method of transportation. Originating in the United States, skateboarding has been shaped and influenced by many skateboarders throughout the years. A 2009 report found that the skateboarding market is worth an estimated $4.8 billion in annual revenue, with 11.08 million active skateboarders in the world. In 2016, it was announced that skateboarding would be represented at the 2020 Summer Olympics in Tokyo, for both male and female teams.

<span class="mw-page-title-main">Skateboarding trick</span> Trick performed on a skateboard

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.

Boardsports are active outdoor sports that are played with some sort of board as the primary equipment. These sports take place on a variety of terrains, from paved flat-ground and snow-covered hills to water and air. Most boardsports are considered action sports or extreme sports, and thus often appeal to youth. Some board sports were marginalized in the past. However, many board sports are gaining mainstream recognition, and with this recognition, they have enjoyed wider broadcast, sponsorship and inclusion in institutional sporting events, including the Olympic Games.

<span class="mw-page-title-main">Kickflip</span> Skateboarding trick

The kickflip is a skateboarding trick, in which the rider flips their skateboard 360° along the axis that extends from the nose to the tail of the deck. When the rider is regular footed the board spins counter-clockwise if viewed from the side.

<span class="mw-page-title-main">Indy grab</span> Type of aerial sports trick

An Indy grab, also known as an Indy air, is an aerial skateboarding, snowboarding and kitesurfing trick during which the rider grabs their back hand on the middle of their board, between their feet, on the side of the board where their toes are pointing, while turning backside. This trick is done only backside; the same maneuver done while turning front side, is called a front side air. The Indy grab is a generic skateboarding trick that has been performed since the late 1970s. This trick is performed mainly while vert skating, e.g. on halfpipes. Although this move can be done on flat land, it is much easier on a ramp. The Indy grab is one of the basic tricks in vert skating and is usually combined with spins, kickflips and heelflips.

<span class="mw-page-title-main">Rodney Mullen</span> American skateboarder

John Rodney Mullen is an American professional skateboarder who practices freestyle skateboarding and street skateboarding. He is considered the third most influential skater in the history of the sport, just behind Tony Hawk and Mark Gonzales. Mullen is credited for inventing numerous tricks, including the flatground ollie, kickflip, heelflip, impossible, and 360-flip. As a result, he has been called the "Godfather of modern freestyle skating."

<span class="mw-page-title-main">Ollie (skateboarding)</span> Skateboarding trick

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.

In human biology, footedness is the natural preference of one's left or right foot for various purposes. It is the foot equivalent of handedness. While purposes vary, such as applying the greatest force in a certain foot to complete the action of kick as opposed to stomping, footedness is most commonly associated with the preference of a particular foot in the leading position while engaging in foot- or kicking-related sports, such as association football and kickboxing. A person may thus be left-footed, right-footed or ambipedal.

In surfing, skateboarding, snowboarding and aggressive inline skating, frontside and backside are terms that are used to describe how a person approaches an obstacle or performs a certain trick. In aggressive inline skating, frontside and backside are types of grinds.

Casper is a freestyle skateboarding trick that was invented by Bobby "Casper" Boyden in the late 1970s. Boyden had a very pale skin and he was nicknamed after the cartoon ghost. The modern casper was invented by Rodney Mullen in the late 1980s.

<span class="mw-page-title-main">Freestyle BMX</span> Cycle sport

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.

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.

A flip trick is a type of skateboarding trick in which the skateboard rotates around its vertical axis, or its vertical axis and its horizontal axis simultaneously. The first flip trick, called a kickflip but originally known as a "magic flip", was invented by professional skateboarder Rodney Mullen.

<span class="mw-page-title-main">Slide (skateboarding)</span>

A slide is a skateboarding trick where the skateboarder slides sideways either on the deck or the trucks.

<span class="mw-page-title-main">Nollie</span> Skateboarding maneuver

In skateboarding, a nollie, short for "nose ollie", is an ollie executed at the front of the board while the rider is positioned in their natural stance. Professional skateboarders Karl Watson, Shuriken Shannon, Tuukka Korhonen, and Sean Malto have been recognized for their ability to perform the nollie trick. A nollie can be easily confused with a fakie ollie, whereby the rider uses their original foot position but is instead riding backwards.

<span class="mw-page-title-main">Wallenberg Set</span>

Wallenberg, also known as the Wallenberg Four, is located at the Raoul Wallenberg Traditional High School in San Francisco, California, United States.

A fingerboard is a scaled-down replica of a skateboard that a person "rides" with their fingers, rather than their feet. A fingerboard is typically 100 millimeters (3.9 in) long with width ranging from 26 to 55 mm, with graphics, trucks and plastic or ball-bearing wheels, like a skateboard. A fingerboard can be used to do traditional skateboarding tricks, such as an ollie and kickflip.

<span class="mw-page-title-main">Shove-it</span> Skateboarding trick

A shove-it is a skateboarding trick where the skateboarder makes the board spin 180 degrees without the tail of the board hitting the ground under their feet. There are many variations of the shove-it but they all follow the same principle: The skateboarder's lead foot remains in one spot, while the back foot performs the "shove". The pop shove-it was originally called a "Ty hop", named after Ty Page.

<span class="mw-page-title-main">Street skateboarding</span> Sport discipline

Street skateboarding is a skateboarding discipline which focuses on flat-ground tricks, grinds, slides and aerials within urban environments, and public spaces. Street skateboarders meet, skate, and hang out in and around urban areas referred to as "spots," which are commonly streets, plazas or industrial areas. To add variety and complexity to street skateboarding, obstacles such as handrails, stairs, walls, flower beds, bins, park benches, picnic tables, and other street furniture may be traversed as single tricks or as part of a series of consecutive tricks called a "line."

References

  1. "The skateboard that go forward by swing". South Korean patent application, dated 2002-05-01. Retrieved 2023-11-11.
  2. "Skateboard with direction-caster". South Korean patent award, published 2003-08-14. Retrieved 2023-11-11.
  3. Yong-hee, Joe. "Triangles, wheels, cylinder = fun".Korea Joongang Daily, 2003-12-03. Retrieved 2023-11-11.
  4. Gwang-lip, Moon. "Intellectual property theft on the rise, survey shows".Korea Joongang Daily, 2010-03-22. Retrieved 2023-11-11.
  5. "Skateboard with direction-caster (US20040262872A1)". USPTO patent application, filed 2003-04-30; published 2004-12-30. Retrieved 2023-11-11.
  6. "Skateboard with direction-caster (US7195259B2)". USPTO patent award, published 2007-03-27. Retrieved 2023-11-11.
  7. Pan, Susan Perng. "Patents in the Toy and Game Industry: Part 2".TD Monthly, May 2010, Vol. IX No. 5. Retrieved 2023-11-11.
  8. "Patent Assignment, Reel 022024 Frame 0223" (PDF). USPTO document, executed 2008-11-19. Retrieved 2023-11-11.
  9. Pan, Susan Perng. "Patents in the Toy and Game Industry: Part 2".TD Monthly, May 2010, Vol. IX No. 5. Retrieved 2023-11-11.
  10. "Street-Surfers.co.uk". Archived from the original on 2008-06-20. Retrieved 2023-11-11.
  11. "Case Studies". Archived from the original on 2012-03-30. Retrieved 2011-04-29.
  12. "RipStik Support - Frequently Asked Questions". Archived from the original on 2011-07-15. Retrieved 2010-10-23.
  13. "Paddle Board Guide". Sunday, May 3, 2020
  14. RipStik USA Trictionary - Coping and Ledge Tricks https://www.youtube.com/user/ripstikusa?blend=1&ob=4#p/u/7/4b38n-cAHCY
  15. RipStik USA Tricktionary - Manual Tricks https://www.youtube.com/user/ripstikusa?blend=1&ob=4#p/u/6/NBQpd4dmnqQ
  16. RipStik USA Trictionary - Flips https://www.youtube.com/user/ripstikusa?blend=1&ob=4#p/u/9/1PV4FCZs4vE
  17. As seen in RipStik USA's Tricktionary video
  18. RipStik USA Tricktionary - Manual Tricks https://www.youtube.com/user/ripstikusa?blend=1&ob=4#p/u/6/NBQpd4dmnqQ
  19. Axis Tutorial 360 Spins - https://www.youtube.com/watch?v=rAAjz-3XfBE
  20. Axis Tutorial Nose Spins - https://www.youtube.com/watch?v=Z4FU9D_FARo
  21. Skatepark self check sheet (in Japanese)
  22. "St Helens Council Project". lasports4kids.org. Archived from the original on 2009-07-09. Retrieved 2020-12-31.
  23. New Skateboard Project Esclates
  24. "University of Salford Report". Archived from the original on 2010-06-17. Retrieved 2020-12-31.
  25. Comfort, Paul. "A Preliminary Investigation into Energy Expenditure and Heart Rate Response during Vigorboarding" (PDF). lasports4kids.org. Archived from Expenditure and Heart Rate Response During Vigorboarding.pdf the original (PDF) on 2010-06-17. Retrieved 2020-12-31.{{cite web}}: Check |url= value (help)