Why do wooden coasters sway?

If the track and structure were too rigid, they would break under the strain of the passing train. The swaying of the track reduces the maximum force applied, like a shock absorber. Like steel roller coasters, wooden roller coasters usually use the same three-wheel design, pioneered by John Miller.



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The structure must be allowed to give and flex like a shock absorber in order to keep it from internally shaking itself to pieces. Most swaying, while very visible from the ground, is not noticeable while on the ride. It's also easier to spot in large wooden coasters versus steel coasters.

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While there are some concerns about their safety, wooden roller coasters are generally considered to be just as safe as their steel counterparts. With proper maintenance and inspection, wooden roller coasters can provide years of fun and excitement for riders.

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Far more than steel, wooden coasters can get rougher over time, as rails and ledgers sag and bend under the weight of a 15,000-pound car bouncing around the track. A poorly maintained wooden coaster can become a rough, unpleasant ride.

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A small amusement park named Lakemont Park in Altoona is where the world's oldest operating coaster is located. This roller coaster, called Leap the Dips opened in 1902 and is one of the last “side friction” coasters. A side friction coaster is one that usually has a wooden track and a lack of up-stop wheels.

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The construction of traditional wooden rollercoasters might not allow for the same high speeds as steel rollercoasters, but don't let that fool you. Wooden ones are just as exhilarating as their metallic cousins!

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How many wooden roller coasters are in operation in the United States? According to the Roller Coaster Database (www.rcdb.com) there are only 115 operating wooden roller coasters in all of the United States.

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In Branson, Missouri, Silver Dollar City can now claim to the world's only wooden coaster to twist upside down three times. With its 720° double barrel roll, Outlaw Run will draw visitors like bears to honey.

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A. Airtime – A favorite term for roller coaster enthusiasts! It's used to describe the feeling created by negative g-forces which gives riders the sensation of floating on a roller coaster. Airtime or negative g-forces are most commonly experienced on a drop or at the crest of hill.

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If you're wondering whether old, wooden roller coasters such as the Cyclone are any more dangerous than today's steel speed demons, there probably isn't much, if any, difference, safety expert Randy King told Yahoo Travel. “What happens is they replace the wood on the ride every year,” King said.

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