Reverse bungee
Encyclopedia
Bungee jumping
Bungee jumping is an activity that involves jumping from a tall structure while connected to a large elastic cord. The tall structure is usually a fixed object, such as a building, bridge or crane; but it is also possible to jump from a movable object, such as a hot-air-balloon or helicopter, that...
experience.
The ride consists of two telescopic gantry towers mounted on a platform, feeding two elastic
Elastomer
An elastomer is a polymer with the property of viscoelasticity , generally having notably low Young's modulus and high yield strain compared with other materials. The term, which is derived from elastic polymer, is often used interchangeably with the term rubber, although the latter is preferred...
ropes down to a two person passenger car constructed from an open sphere of tubular steel. The passenger car is secured to the platform with an electro-magnetic latch as the elastic ropes are stretched. When the electromagnet is turned off, the passenger car is catapulted vertically with a g-force
G-force
The g-force associated with an object is its acceleration relative to free-fall. This acceleration experienced by an object is due to the vector sum of non-gravitational forces acting on an object free to move. The accelerations that are not produced by gravity are termed proper accelerations, and...
of 3–5, reaching an altitude of between 50 and 80 metres (180–260 ft).
The passenger sphere is free to rotate between the two ropes, giving the riders a chaotic and disorienting ride. After several bounces, the ropes are relaxed and the passengers are lowered back to the launch position.
Safety and possible injury
In August 1998, Jérôme Charron died in a reverse bungee ride accident at the Ottawa ExhibitionOttawa SuperEX
Ottawa SuperEX is an eleven-day annual exhibition that takes places every August at Lansdowne Park in Ottawa, Ontario, Canada. The exhibition provides exhibits, entertainment and amusements indoors in the buildings on site and outdoors on the grounds...
in Ottawa
Ottawa
Ottawa is the capital of Canada, the second largest city in the Province of Ontario, and the fourth largest city in the country. The city is located on the south bank of the Ottawa River in the eastern portion of Southern Ontario...
, Ontario
Ontario
Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....
, Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...
when he was hurled 40 meters into the air before plummeting to his death as his harness had detached. In February 2000, the firm responsible for the ride, Anderson Ventures, was fined $145,000 for this incident. Provincial inspectors had inspected the ride just 4 days before the incident and approved it, but did not see the strap because it was in a nearby box.
Ordinarily, the bungee cord is changed to adjust the body weight of different riders. The operator in Ottawa instead used a lead between the carabiner and the bungee cord for this purpose. Using a lead is faster than changing the cord, so more rides can be offered; however, using a lead is less safe than switching bungee cords. The problem occurs when the lead cord wraps around the carabiner, tightens and through friction undoes the twisting safety mechanism that keeps the carabiner locked. In this case, the operator was using dual carabiners. On the bounce back up, the lead cord tightened, causing both carabiners to open. This fact was discovered by the Ottawa Police who investigated the death. A video of the incident depicts it.
Appearances
- Kings IslandKings IslandKings Island is a amusement park located northeast of Cincinnati in Mason, Ohio. Opened in 1972 by Taft Broadcasting Company and now owned by Cedar Fair Entertainment Company, Kings Island is the most visited seasonal amusement park in the U.S...
as Sling Shot (2002 - present). - Calgary StampedeCalgary StampedeThe Calgary Stampede is an annual rodeo, exhibition and festival held every July in Calgary, Alberta, Canada. The ten-day event, which bills itself as "The Greatest Outdoor Show on Earth", attracts over one million visitors per year and features one of the world's largest rodeos, a parade, midway,...
as Slingshot (July 8-17 2011)