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Adventist Youth Honors Answer Book/Recreation/Skateboarding
| General Conference
|| Skill Level 2
Year of Introduction: 1986
- 1 1. Use the following safety gear and know why it should be worn when skateboarding: helmet, elbow pads, knee pads, high top boots, wrist support gloves.
- 2 2. Name all the parts of a skateboard.
- 3 3. Completely disassemble and reassemble a skateboard, repacking the bearings and setting wheelnuts and truck pivoting nut at correct tension.
- 4 4. Demonstrate eight skateboarding skills which will include some of the following and do them to the instructors satisfaction on authorized property. Five of these should be demonstrated on a skateboarding ramp.
- 4.1 a. Tick Tack—from a standing start to a minimum of 10 meters on level ground
- 4.2 b. Ollie—minimum of 10 centimeters
- 4.3 c. Rail Slide—minimum of 1 meter
- 4.4 d. Drop In—off a ramp 2-3 meters high
- 4.5 e. Gurreo Slide
- 4.6 f. 4-Wheel Look Up
- 4.7 g. Pump on a ramp up to the Coping
- 4.8 h. Acid Drop
- 4.9 i. Kick Flip
- 4.10 j. Ollie up a Gutter
- 4.11 k. Front-Back side grind
- 4.12 l. Carve
- 4.13 m. Pump
- 5 ** Note:The Skateboarding honor is not available in the North American Division because of insurance regulations.
- 6 References
1. Use the following safety gear and know why it should be worn when skateboarding: helmet, elbow pads, knee pads, high top boots, wrist support gloves.
- To protect head in case of fall
- Elbow Pads
- To protect elbows in case of fall
- Knee Pads
- To protect knees in case of fall
- High Top Boots
- To support ankles when skating
- Wrist Support Gloves
- To protect Wrists in case of fall
2. Name all the parts of a skateboard.
Descriptions of the following skateboard parts are the ones most prevalent in popular, modern forms of skateboarding. Many niche disciplines exist with exotic or alternative constructions and designs that fall outside of much of the descriptions listed.
Skateboards are composed of the following parts:
Most decks are constructed with a seven-ply cross-laminated layup of Canadian maple. Sometimes other, more exotic materials, such as fiberglass, bamboo, resin, Kevlar, carbon fiber, aluminum, or plastic are incorporated into deck construction, usually to lighten the board or increase its strength or rigidity. Modern decks are usually 7 to 10.5 inches wide although they can vary. The width of a deck depends on personal preference though most people use 7.5-8 inch wide decks for street skating. Generally, riders use a wider deck for vert, to provide more stability. Skateboard decks are usually between 28 and 33 inches long. The underside of the deck is usually printed with a design by the manufacturer.
The longboard, a common variant of the skateboard, has a longer deck. "Old school" boards (those made in the 1970s-80s or modern boards that mimic their shape) are generally wider and often have only one kicktail. 1970s variants often have little or no concavity, whereas 1980s models have deeper concavities and steeper kicktails.
Grip tape is used to give a skater's feet more grip on the deck. It usually has an adhesive back and a sandpaper like top.
Attached to the deck are two metal (usually aluminum alloy) trucks, which connect to the wheels and deck. The trucks are further composed of two parts. The top part of the truck is screwed to the deck and is called the baseplate, and beneath it is the hanger. The axle runs through the hanger. Between the baseplate and the hanger are bushings, also rubbers or grommets, that provide the cushion mechanism for turning the skateboard. The bushings cushion the truck when it turns. The stiffer the bushings, the more resistant the skateboard is to turning. The softer the bushings, the easier it is to turn. A bolt called a kingpin holds these parts together and fits inside the bushings. Thus by tightening or loosening the kingpin nut, the trucks can be adjusted loosely for better turning and tighter for more control.
The wheels of a skateboard, usually made of polyurethane, come in many different sizes and shapes to suit different types of skating. Larger sizes like 65-90 mm roll faster, and also move more easily over cracks in pavement. Smaller sizes like 48-54 mm keep the board closer to the ground, require less force to accelerate and produce a lower center of gravity, but also make for a slower top speed. Wheels also are available in a variety of hardnesses usually measured on the durometer 'A' scale. Wheels range from the very soft (about 75a) to the very hard (about 101a). As the scale stops at 100a, any wheels labelled 101a or higher are harder, but do not use the appropriate durometer scale. Some wheel manufacturers now use the 'B' or 'D' scale, which has a larger and more accurate range of hardnesses.
Modern street skaters prefer smaller wheels (usually 48-53 mm), as small wheels make tricks like kickflips and ollies easier. Street wheels also need to be quite hard, as small soft wheels absorb too much energy. Vert skating requires larger wheels (usually 55-65 mm) as vert skating involves high speeds that smaller wheels are unable to sustain. Vert wheels are usually very hard, so they can roll faster. As they are only used on ramps and parks that are smooth they are usually on the harder end of the durometer scale. Slalom skating requires even larger wheels (60-75 mm) to sustain the highest speeds possible. They also need to be soft and have better grip to make the tight and frequent turns in slalom racing. Even larger wheels are used in longboarding and downhill skateboarding. Sizes range from 65 mm right up to 100 mm. These extreme sizes of wheels almost always have cores of hard plastic that can be made thinner and lighter than a solid polyurethane wheel. They are often used by skateboard filmers or videographers, as the large soft wheels allow for smooth and easy movement over any terrain.
Each skateboard wheel is mounted on its axle via two ball bearings. With few exceptions, the bearings are the industrial standard "608" size, with a bore of 8 mm, an outer diameter of 22 mm, and a width of 7 mm. These are usually made of steel, though silicon nitride, a high-tech ceramic, is sometimes used. Many skateboard bearings are graded according to the ABEC scale. The scale starts with ABEC1 as the lowest, 3, 5, 7, 9. It is a common misconception that higher numbers are better for skateboarding, as the ABEC rating only measures tolerances which do not necessarily apply to skateboards. The ABEC rating does not determine how fast or how durable a bearing used for skateboarding will be. In particular, the ABEC rating says nothing about how well a bearing handles axial (side-to-side) loads, which are severe in most skateboard applications. Many companies do not show the ABEC rating, such as Bones Bearings, who are known for their high quality bearings.
Mounting hardware is a set of eight 10-32 bolts, usually an allen or cross head, and matching self-lock nylock nuts. They are used to attach the trucks to the board. Some have a different colored bolt to show which side is the nose of the skateboard.
Narrow strips of plastic that are fastened under the deck lengthwise along the edges. They are used for additional grip for grabs, and to enhance sliding while protecting the deck's graphics at the same time. These are seldom used in modern skateboarding.
Slip tape is a clear piece of self adhesive plastic that sticks to the underside of a deck. It helps protect the board's graphics and can allow the board to slide better. These are becoming more popular in modern skateboarding.
A lapper is a plastic cover that is fastened to the rear truck and serves to protect the kingpin when grinding. It also prevents hang-ups by providing a smoother transition for the truck when it hits an obstacle or a metal pipe or bar used to grind.These are non-existent in modern skateboarding.
A plastic bumper used to protect the tip of a skateboard. These are rare in modern skateboarding.
A tail guard is a plastic skid plate used to prevent wearing of the tail; they can also be used as a means to stop the board. The tail guard is not commonly used in skateboards today.
Riser or riser pads are made of plastic or rubber and go between the truck and the board to provide additional clearance for the wheels to prevent wheel-bite (when the truck turns to a degree where the wheel will contact with the deck and stop spinning). They usually range in height from 3mm to 12mm. Shock pads are a variation of risers that are usually made of rubber or neoprene. They absorb impact and reduce vibration, which in turn helps prevent hardware from loosening and they can also prevent pressure cracks from forming. Although they help to reduce the impact of the drop they also reduce the pop (Snapping on the tail of your skateboard to make it jump up.).
Angled riser, or 'wedges' are risers that alter the turning geometry of the truck they are bolted to. Thin side out results in more turn per board lean, thick side out results in less.
3. Completely disassemble and reassemble a skateboard, repacking the bearings and setting wheelnuts and truck pivoting nut at correct tension.
a. Tick Tack—from a standing start to a minimum of 10 meters on level ground
b. Ollie—minimum of 10 centimeters
c. Rail Slide—minimum of 1 meter
d. Drop In—off a ramp 2-3 meters high
e. Gurreo Slide
f. 4-Wheel Look Up
g. Pump on a ramp up to the Coping
h. Acid Drop
i. Kick Flip
A kick flip is a flip that is done off the toes.
- Must get ollie down moving
- Slide like ollie but flick out
- Pop down like ollie
- Board starts to spin, pick legs up
- Land and roll away
- That's how to kickflip