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Robosaurus
Robosaurus is a transforming dinosaur robot created by inventor Doug Malewicki in 1989 and originally owned and operated by his company, Monster Robots, Inc. Robosaurus is modeled after Transformers toys with the driver sitting in the head of the robot, and the ability to transform from a 48-foot semi trailer into a mechanical Tyrannosaurus rex. It has hydraulically activated arms, grasping claws, and jaws, and a flame thrower in the head to give the effect of breathing fire out of its nostrils. Robosaurus took two years and $2.2 million to build, stands at a height of 40 feet when fully extended and weighs 31 tons. It is powered by a 500-horsepower, turbo charged, Cummins diesel engine. Four hydraulic pumps are used to manipulate the claws, which can exert 24,000 pounds of force. It houses two 20-gallon propane tanks to produce the fire breath effect, and houses air cannons that can be used to fire confetti, fireworks or missiles.
