Ever wonder how they test a roller coaster? Before a coaster is even built today, computer modeling will verify things like the g-forces being within safe thresholds and that the track layout doesn’t have any “envelope” issues (places where a rider’s hands or other body parts could make contact with the structure). However, theoretical testing is not enough, practical testing is needed too. After the track is first inspected inch by inch, a car will then do a “pull-through” test, usually by a winch, to check everything. Often a large piece of plywood will be mounted on a seat to represent the maximum reach of a rider’s hands to check the “envelope” again. Then the train will cycle all or part of the course empty before the water-filled dummies below will get the first ride! Before a human sets foot on a new coaster, dummies like this will take dozens or hundreds of laps with sensors and cameras aboard to be sure everything is OK. The restraints are also tested long before construction and if you’re in the Orlando area you can potentially even help Skyline Attractions with this next Saturday, August 15, 2026!
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