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Rafting equipment has continuously evolved and developed significantly from old rubber WW II era military surplus rafts. Modern whitewater rafts are typically made with advanced nylon or Kevlar infused plastics like PVC or urethane; though many of the more entry-level low-cost manufacturers still use a glued rubber.
Rafting events are important means of oceanic dispersal for non-flying animals. For amphibians , reptiles , and small mammals , in particular, but for many invertebrates as well, such rafts of vegetation were often the only means by which they could reach and – if they were lucky – colonize oceanic islands before human -built vehicles ...
Rafting to Vancouver, British Columbia Canada (August 2006). Raftsmen in Northern Finland in the 1930s Timber rafting on the Willamette River (May 1973).. Timber rafting is a method of transporting felled tree trunks by tying them together to make rafts, which are then drifted or pulled downriver, or across a lake or other body of water.
The U.S. National Whitewater Center (USNWC) is a not-for-profit outdoor recreation and athletic training facility for whitewater rafting, kayaking, canoeing, rock climbing, mountain biking, hiking and ice skating which opened to the public in 2006. [1]
The river rapids ride concept was proposed by Bill Crandall (general manager of AstroWorld in Houston) and developed by Intamin.AstroWorld introduced the world's first river rapids ride, Thunder River, in 1980 and popularized a concept which can now be found at most major amusement parks.
It is the longest-known raft voyage in history. The expedition was led by Spaniard Vital Alsar, who, in 1970, led the La Balsa expedition, only on that occasion with one raft and three companions. The crossing was successful and, at the time, the longest raft voyage in history, until eclipsed in 1973 by Las Balsas.
The 8,600 mile (13,800 km), voyage was, at the time, the longest in known history. Following the expedition, the raft was taken on a road tour of Australia, being displayed in Brisbane, Sydney, Melbourne and Adelaide, before being shipped to Spain.
Cataract Canyon remains a popular whitewater rafting destination today. The rapids in the canyon are generally considered "big water", with a character similar to those found in Grand Canyon . Cataract Canyon is rated on the Class I-VI International Scale of River Difficulty , unlike the Grand Canyon, which is rated on a scale of one to ten.