Concrete should be troweled to a smooth even surface and be aged for at least 90 days. Expansion joints should be properly filled. Neutralize the surface of the concrete. Use either 1 part Muriatic Acid and 9 parts water or 1 part vinegar and 5 parts water to make a good neutralizing agent.
Cedar Pointâs Top Thrill Dragster relies on the power density of hydraulics. August 29, 2014 By Mary Gannon Leave a Comment. As it embarked on yet another one of its record-breaking, thrill-seeking rides, Cedar Point quickly turned to hydraulics, for the power density and precision control it offers.
Top Thrill Dragster. Top Thrill is an Intamin accelerator coaster, and the worlds second tallest coaster. Launches riders from 0 to 120 MPH in under 4 seconds and up a 420-foot tower, then quickly back down while twisting 270 degrees to the right. Reviews.