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Brake Run
A brake run on a roller coaster is any section of track meant to slow or stop a roller coaster train. Brake runs may be located anywhere along the circuit of a coaster and may be designed to bring the train to a complete halt or to simply adjust the train's speed. Contrary to some belief, the vast majority of roller coasters do not have any form of braking on the train itself, but rather forms of braking that exist on track sections. One notable exception is the Scenic Railway roller coaster, which relies on an operator to manually control the speed of the train. On most roller coasters, the brakes are controlled by a computer system. Some older coasters have manually operated friction or skid brakes, some with a pneumatic assist. These are either engaged at the control panel or operated by pulling or pushing large levers in the station. Trim brakes Trim brakes are sections of brakes which are intended to adjust a train's speed during its course rather than bring the train to ...
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Elysburg
Elysburg is a census-designated place (CDP) in Ralpho Township, Northumberland County, Pennsylvania, United States. It is seventy miles north of Harrisburg. The population was 2,194 at the 2010 census. The area's biggest attraction is Knoebels Amusement Resort, which is known for having three wooden roller coasters and free admission. Geography Elysburg is served by Pennsylvania Route 54 and Pennsylvania Route 487. Elysburg's terrain is mostly gently rolling, with some steep hills in the northeastern part of the CDP. Elysburg's land is mostly residential and farmland, with some forest. Demographics As of the census of 2000 there were 3,937 people, 1,746 households, and 1,188 families living in the CDP. The population density was 708.4 people per square mile (273.3/km2). There were 909 housing units at an average density of 311.5/sq mi (120.2/km2). The racial makeup of the CDP was 99.4% White, 0.1% African American, 0.1% Native American, 0.2% Asian, and 0.2% from two or mor ...
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Accelerator Coasters
An Accelerator Coaster is a hydraulically launched roller coaster model from Intamin. The model usually consists of a long, straight launch track, a ''top hat'' tower element, and magnetic brakes that smoothly stop the train without making contact. The technology was developed by Intamin engineers as an alternative to electromagnetic launch systems, such as the Linear Induction Motor (LIM) and Linear Synchronous Motor (LSM), that are found on earlier launched roller coasters like the Flight of Fear and The Joker's Jinx. Unlike the earlier linear induction motors, the Accelerator Coaster's launch system exhibits constant acceleration and is capable of reaching greater speeds. Accelerator Coasters with the top hat element are known to perform an occasional rollback – when the train is unable to complete the top hat element and rolls back to the starting point – which can occur due to a number of different factors. Despite this, Accelerator Coasters have a great track record f ...
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Intamin
Intamin Amusement Rides is a design and manufacturing company in Schaan, Liechtenstein. It is best known for creating thrill rides and roller coasters worldwide. The Intamin brand name is a syllabic abbreviation for "international amusement installations". The company has offices throughout the world, including three in Europe, three in Asia, and two in the United States. Intamin supplies numerous styles of roller coasters, vertical rides, water rides, immersive rides, swing rides, and observation attractions to amusement parks. The company has installed scores of roller coasters in several countries. Intamin designed and built the first river rapids ride, known as Thunder River, and marketed the first freefall ride (developed by Giovanola) and drop tower. Products and technologies Intamin's product range spans two broad categories: rides and transportation. Amusement rides Roller coasters Intamin created the first hydraulic launch system (known as the Accelerator Coaste ...
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Eddy Current
Eddy currents (also called Foucault's currents) are loops of electrical current induced within conductors by a changing magnetic field in the conductor according to Faraday's law of induction or by the relative motion of a conductor in a magnetic field. Eddy currents flow in closed loops within conductors, in planes perpendicular to the magnetic field. They can be induced within nearby stationary conductors by a time-varying magnetic field created by an AC electromagnet or transformer, for example, or by relative motion between a magnet and a nearby conductor. The magnitude of the current in a given loop is proportional to the strength of the magnetic field, the area of the loop, and the rate of change of flux, and inversely proportional to the resistivity of the material. When graphed, these circular currents within a piece of metal look vaguely like eddies or whirlpools in a liquid. By Lenz's law, an eddy current creates a magnetic field that opposes the change in the mag ...
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Neodymium Magnet
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Magnetism
Magnetism is the class of physical attributes that are mediated by a magnetic field, which refers to the capacity to induce attractive and repulsive phenomena in other entities. Electric currents and the magnetic moments of elementary particles give rise to a magnetic field, which acts on other currents and magnetic moments. Magnetism is one aspect of the combined phenomena of electromagnetism. The most familiar effects occur in ferromagnetic materials, which are strongly attracted by magnetic fields and can be magnetized to become permanent magnets, producing magnetic fields themselves. Demagnetizing a magnet is also possible. Only a few substances are ferromagnetic; the most common ones are iron, cobalt, and nickel and their alloys. The rare-earth metals neodymium and samarium are less common examples. The prefix ' refers to iron because permanent magnetism was first observed in lodestone, a form of natural iron ore called magnetite, Fe3O4. All substances exhibit some type of ...
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Spring (device)
A spring is an elastic object that stores mechanical energy. In everyday use the term often refers to coil springs, but there are many different spring designs. Modern springs are typically manufactured from spring steel, although some non-metallic objects like the bow are also springs. When a conventional spring, without stiffness variability features, is compressed or stretched from its resting position, it exerts an opposing force approximately proportional to its change in length (this approximation breaks down for larger deflections). The ''rate'' or ''spring constant'' of a spring is the change in the force it exerts, divided by the change in deflection of the spring. That is, it is the gradient of the force versus deflection curve. An extension or compression spring's rate is expressed in units of force divided by distance, for example or N/m or lbf/in. A torsion spring is a spring that works by twisting; when it is twisted about its axis by an angle, it produces a ...
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Fail-safe
In engineering, a fail-safe is a design feature or practice that in the event of a specific type of failure, inherently responds in a way that will cause minimal or no harm to other equipment, to the environment or to people. Unlike inherent safety to a particular hazard, a system being "fail-safe" does not mean that failure is impossible or improbable, but rather that the system's design prevents or mitigates unsafe consequences of the system's failure. That is, if and when a "fail-safe" system fails, it remains at least as safe as it was before the failure. Since many types of failure are possible, failure mode and effects analysis is used to examine failure situations and recommend safety design and procedures. Some systems can never be made fail-safe, as continuous availability is needed. Redundancy, fault tolerance, or contingency plans are used for these situations (e.g. multiple independently controlled and fuel-fed engines). Examples Mechanical or physical Examples inc ...
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Brake Pads
Brake pads are a component of disc brakes used in automotive and other applications. Brake pads are composed of steel backing plates with friction material bound to the surface that faces the disc brake rotors. Function Brake pads convert the kinetic energy of a vehicle to thermal energy through friction. Two brake pads are contained in the brake with their friction surfaces facing the rotor. When the brakes are hydraulically applied, the caliper clamps or squeezes the two pads together onto the spinning rotor to slow and stop the vehicle. When a brake pad heats up due to contact with the rotor, it transfers small amounts of its friction material onto the disc, leaving a dull grey coating on it. The brake pad and disc (now both having the friction material), then "stick" to each other, providing the friction that stops the vehicle. In disc brakes, there are usually two brake pads per disc rotor, they both function together. These are held in place and actuated by a caliper affixe ...
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Bolliger & Mabillard
Bolliger & Mabillard, officially Bolliger & Mabillard Consulting Engineers, Inc. and often abbreviated B&M, is a roller coaster design consultancy based in Monthey, Switzerland. The company was founded in 1988 by Walter Bolliger and Claude Mabillard, both of whom had worked for Giovanola. B&M has pioneered several new ride technologies, most notably the inverted roller coaster and the box-section track. In 2016, the company completed its 100th roller coaster. B&M produces nine types of coaster models: Stand-Up Coaster, Inverted Coaster, Floorless Coaster, Flying Coaster, Hyper Coaster, Dive Coaster, Sitting Coaster, Wing Coaster and Family Coaster. Though B&M has not used the term, the company has also manufactured three giga coasters. History Roots Walter Bolliger and Claude Mabillard started working for Giovanola, a manufacturing company who supplied rides to Intamin, in the 1970s. During their time at Giovanola, they helped design the company's first stand-up roller c ...
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