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BASE jumping is the recreational sport of jumping from fixed objects, using a parachute to descend safely to the ground. "BASE" is an acronym that stands for four categories of fixed objects from which one can jump: building, antenna, span, and earth (cliff). Participants exit from a fixed object such as a cliff, and after an optional freefall delay, deploy a parachute to slow their descent and land. A popular form of BASE jumping is wingsuit BASE jumping.
A parachute is a device used to slow the motion of an object through an atmosphere by creating drag. Parachutes are usually made out of light, strong fabric, originally silk, now most commonly nylon. They are typically dome-shaped, but vary, with rectangles, inverted domes, and others found. A variety of loads are attached to parachutes, including people, food, equipment, space capsules, and bombs.
Freeflying is a skydiving discipline which began in the late 1980s, involving freefalling in various vertical orientations, as opposed to the traditional "belly-to-earth" orientation. The discipline is known to have originated when Olav Zipser began experimenting with non-traditional forms of bodyflight. Zipser founded the FreeFly Clowns as a two-person competitive team with Mike Vail in 1992, and was joined by Omar Alhegelan, Charles Bryan, and Stefania Martinengo in 1994. The FreeFly Clowns are also credited with opening the first school to teach freeflying, The First School of Modern SkyFlying.
Paragliding is the recreational and competitive adventure sport of flying paragliders: lightweight, free-flying, foot-launched glider aircraft with no rigid primary structure. The pilot sits in a harness or lies supine in a cocoon-like 'speed bag' suspended below a fabric wing. Wing shape is maintained by the suspension lines, the pressure of air entering vents in the front of the wing, and the aerodynamic forces of the air flowing over the outside.
Landing is the last part of a flight, where a flying animal, aircraft, or spacecraft returns to the ground. When the flying object returns to water, the process is called alighting, although it is commonly called "landing", "touchdown" or "splashdown" as well. A normal aircraft flight would include several parts of flight including taxi, takeoff, climb, cruise, descent and landing.
Wingsuit flying is the sport of flying through the air using a wingsuit which adds surface area to the human body to enable a significant increase in lift. The modern wingsuit, first developed in the late 1990s, creates a surface area with fabric between the legs and under the arms. Wingsuits are sometimes referred to as "birdman suits", "squirrel suits", and "bat suits".
A powered parachute, often abbreviated PPC, and also called a motorized parachute or paraplane, is a type of aircraft that consists of a parafoil with a motor and wheels. The aircraft's airspeed is typically about 25–35 mph (40–60 km/h). PPCs operate safely at heights ranging from a few feet off the ground to altitudes as high as 10,000+ ft (3.05 km), but typical operating heights are between 500 and 1500 feet above ground level (AGL). Equipped with a 5-15 gallon fuel tank, PPCs can typically be flown for about three hours before requiring refueling. They have very short take-off and landing rolls, sometimes less than 100 ft.
A windsport is any type of sport which involves wind-power, often involving a non-rigid airfoil such as a sail or a power kite. The activities can be land-based, on snow, on ice or on water. Windsport activity may be regulated in some countries by aviation/maritime authorities if they are likely to interfere with other activities. Local authorities may also regulate activity in certain areas, especially on crowded beaches and parks.
Animal locomotion,in (ethology),is any of a variety of methods that animals use to move from one place to another. Some modes of locomotion are (initially) self-propelled, e.g., running, swimming, jumping, flying, hopping, soaring and gliding. There are also many animal species that depend on their environment for transportation, a type of mobility called passive locomotion, e.g., sailing, kiting (spiders), rolling or riding other animals (phoresis).
RAE Bedford was a research site of the Royal Aircraft Establishment between 1946 and 1994. It was located near the village of Thurleigh, north of the town of Bedford in England and was the site of aircraft experimental development work.
Accelerated freefall (AFF) is a method of skydiving training. This method of skydiving training is called "accelerated" because the progression is the fastest way to experience solo freefall, normally from 10,000 to 15,000 feet above ground level (AGL). In static line progression, more jumps are required to experience freefall, but the jumps are less expensive for the student as one instructor can dispatch multiple students per load and students are initially dispatched from lower altitudes. Under accelerated freefall, one or sometimes two instructors are dedicated just to one student.
A number of animals are capable of aerial locomotion, either by powered flight or by gliding. This trait has appeared by evolution many times, without any single ancestor. Flight has evolved at least four times, in the insects, pterosaurs, birds, and bats. Gliding has evolved on many more occasions. Usually the development is to aid canopy animals in getting from tree to tree, although there are other possibilities. Gliding, in particular, has evolved among rainforest animals, especially in the rainforests in Asia where the trees are tall and widely spaced. Several species of aquatic animals, and a few amphibians and reptiles have also evolved to acquire this gliding flight ability, typically as a means of evading predators.
A vertical wind tunnel (VWT) is a wind tunnel which moves air up in a vertical column. Unlike standard wind tunnels which have test sections that are oriented horizontally, as experienced in level flight, a vertical orientation enables gravity to be countered by drag instead of lift, as experienced in an aircraft spin or by a skydiver at terminal velocity.
Freestyle skydiving is a competitive skydiving discipline where one member of a two-person team performs acrobatic manoeuvres in free fall while the other one films the performance from a close distance using a helmet-mounted camera.
Parachuting is a method of transiting from a high point to Earth with the aid of gravity, involving the control of speed during the descent using a parachute or parachutes. It may involve more or less free-falling which is a period when the parachute has not yet been deployed and the body gradually accelerates to terminal velocity.
Aerodium is a designer and producer of vertical wind tunnels based in Riga, Latvia. Its core business is related to sales and rent of wind tunnels for entertainment and military industries, but it also operates different locations under franchise. A second part is connected to organizing shows and performances for brand promotion, festivals and other celebrations around the world.
Unpowered flight is the ability to stay airborne for a period of time without using any power source. There are several types of unpowered flight. Some have been exploited by nature, others by man, and some by both.
Speed-flying and speed riding are advanced disciplines of paragliding that use a small, high-performance paraglider wing to quickly descend heights such as mountains. Speed flying and speed riding are very similar sports; speed flying is when the speed wing is foot-launched, while speed riding is a winter sport done on skis.
Olav Zipser is a highly accomplished, multiple-time world champion, trainer of multiple world champions, Sports Emmy Award-winning, pioneering skydiver.
Jeff "Jeffro" Provenzano is an American professional skydiver, wingsuit flyer, BASE jumper, HALO jumper and stuntman. He is a member of the Red Bull Air Force, and is considered to be a pioneer of the skydiving discipline of swooping.
References
- 1 2 Bodyflight
- ↑ Pedro Caster (2015). Skydiving Bible: Little Known Tips You Need to Know About Skydiving Gear and Skydiving for Beginners. Lulu Press. ISBN 9781329514256.
- ↑ Flight poses
- ↑ Акробатика в трубе: аэродинамический спорт будущего — Popular Mechanics
