| Summary: | The initial specifications of this design project were to design a pruning device that could cut through a three inch diameter branch that is twenty five feet above the ground in a reasonable amount of time using a waterjet cutting device. Additional requirements include that the device have a competitive cost, be safe, and easy to use. The team determined that the use of waterject cutting technology was an infeasible design concept to meet these requirements because it would take almost two hours to cut through a three inch branch using a pressure washer capable of 3500psi. A shearing device that would be powered by a hydraulic piston was selected as a better and more feasible alternative design solution. The shearing device designed has hardened steel blades from a Corona clipper product, and utilizes a hydraulic piston attached to a 29 foot telescoping pole, which is mounted to a tripod.
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