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Some older wooden roller coasters utilize steel wheels throughout the assembly. The benefits of the polyurethane or nylon/polyurethane blend are low rolling resistance, high load endurance, smooth ride, and high durability. [2] Some manufacturers' coasters have a larger gap between the up-stop and/or side friction wheels and the track.
A roller coaster wheel assembly. The underfriction wheels are on the bottom. The three sets of wheels clamp onto the track. On a roller coaster train, the underfriction, up-lift, or up-stop wheels are a device to keep the train from jumping off the track under intense movement. [1] The design was patented in 1919 by John A. Miller. [2][3]
June 24, 1941. (1941-06-24) (aged 68–69) Houston, Texas, U.S. Occupation. Roller coaster engineer. John A. Miller, born August John Mueller (1872 – June 24, 1941), was an American roller coaster designer and builder, inventor, and businessman. Miller patented over 100 key roller coaster components, [1] and is widely considered the "father ...
The Dahlonega Mine Train is a mine train roller coaster located at Six Flags Over Georgia in Austell, Georgia, 12 miles (19 km) west of downtown Atlanta, Georgia. The ride has three lift hills with brief elements between each that wind through a wooded, hilly landscape. This is a family coaster that is named after Dahlonega, Georgia, a village ...
Roller coaster wheels. Roller coaster trains have wheels that run on the sides (side friction or guide wheels) and underneath the track (upstop, underfriction, or underlocking wheels) as well as on top of it (road or running wheels); these lock the train to the tracks and prevent it from jumping the track. The side wheels can be mounted on the ...
A brake run on a roller coaster is any section of track that utilizes some form of brakes to slow or stop a roller coaster train.The most common type is the friction brake, often called a fin brake, which involves a series of hydraulic-powered clamps that close and squeeze metal fins that are attached to the underside of a coaster train.
A side friction roller coaster is an early roller coaster design invented by Edward Joy Morris. The design introduced side-friction wheels to help prevent trains from derailing during curved portions of the track. In addition to weight-bearing wheels traditionally located on the underside of each train car, friction wheels were added to both ...
Lift hill. A lift hill, or chain hill, is an upward-sloping section of track on a roller coaster on which the roller coaster train is mechanically lifted to an elevated point or peak in the track. Upon reaching the peak, the train is then propelled from the peak by gravity and is usually allowed to coast throughout the rest of the roller ...