Side Friction Roller Coaster
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A side friction roller coaster is an early
roller coaster A roller coaster is a type of list of amusement rides, amusement ride employing a form of elevated Railway track, railroad track that carries passengers on a roller coaster train, train through tight turns, steep slopes, and other elements, usua ...
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 sides, which roll perpendicular along the inner edge of the track. The first side-friction coasters appeared in the late 19th century and were mild in comparison to modern-day roller coasters. They declined in popularity several decades later as newer coasters began incorporating a third set of
underfriction On a roller coaster train A train (from Old French , from Latin">-4; we might wonder whether there's a point at which it's appropriate to talk of the beginnings of French, that is, when it wa ... , from Latin , "to pull, to draw") is a se ...
wheels, which further improved safety and allowed for more thrilling track designs.


History

The earliest
gravity railway A gravity railroad (American English) or gravity railway (British English) is a railroad on a Slope#Slope of a road or railway, slope that allows cars carrying minerals or passengers to coast down the slope by the force of gravity alone. The speed ...
s in the United States were used primarily to transport coal down mountains, often to the nearest river or canal. The Mauch Chunk Railway (MCR) in eastern Pennsylvania was constructed in 1827 and was the second of its kind in the US. Before long, tourists attracted to the novelty of this technology were offered rides. Passengers enjoyed panoramic views along the descent, which started at a leisurely and reached speeds up to . The MCR and similar attractions became widely known as
scenic railway Scenic railroad (American English) or Scenic railway (British English) may refer to: * Heritage railways operating leisurely train tours of sights such as mountain scenery, historic areas, and foliage tours * Scenic gravity railroad, early terminol ...
s. The commercial success of these amusement rides inspired future advancements in what would eventually evolve into the modern-day roller coaster. One passenger inspired by the MCR was inventor and businessman
LaMarcus Adna Thompson LaMarcus Adna Thompson (March 8, 1848 – May 8, 1919) was an American inventor and businessman most famous for developing a variety of gravity rides and roller coasters. Early years Thompson was born in Jersey, Licking County, Ohio on March ...
, founder of the Eagle Knitting Company, a
hosiery Hosiery, (, ) also referred to as legwear, describes garments worn directly on the foot, feet and human leg, legs. The term originated as the collective term for products of which a maker or seller is termed a hosier; and those products are also ...
manufacturer. Building upon earlier ride patents for concepts never constructed, he developed his own patent called the Switchback Railway. The first installation opened as the Gravity Pleasure Switchback Railway at
Coney Island Coney Island is a neighborhood and entertainment area in the southwestern section of the New York City borough of Brooklyn. The neighborhood is bounded by Brighton Beach to its east, Lower New York Bay to the south and west, and Gravesend to ...
in 1884. In 1894, Edward Joy Morris took the concept one step further with the invention of side-friction wheels that were installed vertically on the sides of each train car, which were then seated in a trough configuration. Patented as the Figure Eight Toboggan Slide, the side-friction wheels made contact with the side rails, making derailment less likely. Side-friction roller coasters could achieve greater speeds than the switchback design, especially around curves, which led to thrill-inducing lateral
g-force The g-force or gravitational force equivalent is a Specific force, mass-specific force (force per unit mass), expressed in Unit of measurement, units of standard gravity (symbol ''g'' or ''g''0, not to be confused with "g", the symbol for ...
s. The security of the updated design enabled roller coasters to operate without a
brakeman A brakeman is a rail transport worker whose original job was to assist the braking of a train by applying brakes on individual wagons. The advent of through brakes, brakes on every wagon which could be controlled by the driver, made this role r ...
, which were previously required to ride along and slow the train at various points along the track layout. Instead, ride operators working in the loading station only needed to rely on a hand-operated friction brake to stop the train when it returned. Morris formed the Morris Chute Company, which manufactured carousels and roller coasters. More than 250 Figure Eight coasters, also called toboggans, were installed around the world. One of the well-known installations,
Leap-The-Dips Leap-The-Dips is a wooden roller coaster located at Lakemont Park near Altoona, Pennsylvania. Built in 1902 by the Federal Construction Company and designed by E. Joy Morris, it is the oldest standing roller coaster in the world and believed to ...
, opened in 1902 at
Lakemont Park Lakemont Park is an amusement park located in Altoona, Pennsylvania. The park opened in 1894 as a trolley park and became an amusement park in 1899. It is one of only thirteen trolley parks still operating, and the 8th oldest amusement park in ...
in
Altoona, Pennsylvania Altoona ( ) is a city in Blair County, Pennsylvania, United States. The population was 43,963 at the time of the 2020 United States census, 2020 census. It is the principal city of the Altoona Metropolitan statistical area, metropolitan area, w ...
. It is one of the last remaining side-friction coasters still in operation. In 1903, Morris sold the company, which reemerged in 1904 as the
Philadelphia Toboggan Company Philadelphia Toboggan Coasters (PTC) is one of the oldest existing roller coaster manufacturing companies in the world. Based in Hatfield, Pennsylvania, it was established in 1904 by Henry B. Auchy and Chester Albright under the name Philadelphi ...
. The invention of
underfriction On a roller coaster train A train (from Old French , from Latin">-4; we might wonder whether there's a point at which it's appropriate to talk of the beginnings of French, that is, when it wa ... , from Latin , "to pull, to draw") is a se ...
wheels, also called up-stop wheels, resulted in the demise of the side-friction configuration. Introduced in 1912 by John A. Miller, the newer design added a third set of wheels running beneath the track, further enhancing security from derailment, which paved the way for faster speeds, steeper drops, and new elements in track design such as the
airtime hill Roller coasters are widely known for their drops, inversions, airtime (rides), airtime, and other intense ride elements that contribute to the ride. They are also made up of a variety of features and components responsible for the mechanical opera ...
.


Notable installations

*
Leap the Dips Leap-The-Dips is a wooden roller coaster located at Lakemont Park near Altoona, Pennsylvania. Built in 1902 by the Federal Construction Company and designed by E. Joy Morris, it is the oldest standing roller coaster in the world and believed to ...
at
Lakemont Park Lakemont Park is an amusement park located in Altoona, Pennsylvania. The park opened in 1894 as a trolley park and became an amusement park in 1899. It is one of only thirteen trolley parks still operating, and the 8th oldest amusement park in ...
in
Altoona, Pennsylvania Altoona ( ) is a city in Blair County, Pennsylvania, United States. The population was 43,963 at the time of the 2020 United States census, 2020 census. It is the principal city of the Altoona Metropolitan statistical area, metropolitan area, w ...
. Opened in 1902, Leap the Dips is the oldest roller coaster in the world and the last remaining side-friction roller coaster in North America. It was out of service from 1985 to 1999. *Slope Shooter at the
Higashiyama Zoo and Botanical Gardens The is a joint zoo and botanical garden located at Chikusa-ku, Nagoya, Japan. It is open every day except Monday, and charges a modest admission fee. Established in 1937, the Higashiyama Zoo is one of Asia's largest attractions, featuring a ...
, built in 1961. It has a long, winding layout, and has troughs made of steel and concrete.


References

* http://www.oocities.org/ultimatethrillparks/woodtrackwheels.htm
Slope Shooter - Higashiyama Zoo and Botanical Gardens (Chikusa, Nagoya, Aichi, Japan)



External links

{{Rollercoaster tracks Types of roller coaster