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 Fuel Dragster (TF/D). The rail dragsters, or âdiggersâ, are the fastest class. Among the fastest-accelerating machines in the world, these cars can cover the dragstrip in less than 3.8 seconds and record trap speeds over 325 mph. Top Fuel cars are 25 feet long and weigh 2,320 pounds in race-ready trim. Methanol fuel mixed with up to 90% nitromethane is used.