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Garfield-Palouse High School
Palouse, Wash.
Agricultural lift for people with disabilities


We will invent the Paraplegic Agricultural Lift (PAL), a remote-controlled lift that will provide three axes of motion and be capable of raising a person from ground level to the cab of a combine or other hand-operated equipment. PAL will be able to lift 600 pounds, de-rated at 300 pounds. The electrical system will consist of a remote-control system and a solid-state switching circuit utilizing an N-channel FET, H-bridge with feedback control loops, and include limit switches.