tortuguero river rafting
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Tuesday, October 12, 2010
tortuguero river rafting
tortuguero river rafting
There are many different types of whitewater craft that people use to make their way down a rapid, preferably with finesse and control.
Whitewater kayaks differ from sea kayaks and recreational kayaks in that they are specialized to deal with moving water better.
They are often shorter and more maneuverable than sea kayaks and are specially designed to deal with water flowing up onto their decks.
Most whitewater kayaks are made of plastics these days, although some paddlers use kayaks made of fiberglass composites.
Whitewater kayaks are fairly stable in turbulent water, once the paddler is skillful with them; if flipped upside-down, the skilled paddler can easily roll them back upright.
This essential skill of whitewater kayaking is called the Eskimo Roll or simply Roll. Kayaks are paddled in a low sitting position , with a two-bladed paddle.
Rafts are also often used as a whitewater craft; more stable than typical kayaks, they are less maneuverable.
Rafts can carry large loads, so they are often used for expeditions. Typical whitewater rafts are inflatable craft, made from high strength fabric coated with PVC, Urethane, Neoprene or Hypalon.
While most rafts are large multi-passenger craft, the smallest rafts are single-person whitewater craft, see packraft.
Catarafts are constructed from the same materials as rafts. They can either be paddled or rowed with oars. A specialized cataraft, designed without any metal frame, is a Shredder.
It is usually paddled by a two person crew, though highly skilled paddlers are able to negotiate extreme whitewater in a Shredder paddled as a solo boat.
Typical catarafts are constructed from two inflatable pontoons on either side of the craft that are bridged by a frame.
Oar-propelled catarafts have the occupants sitting on seats mounted on the frame.
Virtually all oar-powered catarafts are operated by a boatsman with passengers having no direct responsibilities.
Catarafts can be of all sizes; many are smaller and more maneuverable than a typical raft.
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posted by bike arenal : 1:55 PM
 
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