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Engineering Commons

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Theses/Dissertations

Other Mechanical Engineering

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Central Washington University

2018

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Full-Text Articles in Engineering

H.F. Hauff Electric Pruner Drive Train, Grady Graff Jan 2018

H.F. Hauff Electric Pruner Drive Train, Grady Graff

All Undergraduate Projects

The H.F. Hauff Company invests a large amount of money in developing a quality pruner used in everyday agriculture. Modern electric pruners tend to be expensive while manual tree pruning is very physically demanding. A battery assisted pruner that is light-weight, ergonomic, inexpensive to build and powerful enough to cut branches that a nominal apple tree would possess is the direct affiliation that H.F. Hauff devotes its funding too. A team of engineering students from Central Washington University developed a product with consideration to each of these circumstances. Since hand drills have proven to be user friendly and of abundance …


H.F. Hauff Pruner Cutting Blades, Wyley Stewart Jan 2018

H.F. Hauff Pruner Cutting Blades, Wyley Stewart

All Undergraduate Projects

Apple orchards are a critical component of agriculture in the United States, and keeping the apple trees in the best shape for optimum growth and production is hard work. Neil Hauff, an agriculture industry expert, challenged students at CWU to engineer a power assisted tree pruner. Across the country, apple orchards need pruned every season. The pruning of the trees is strenuous manual labor that requires many man hours. The proposed solution is to create a power assisted tree pruner that would minimize the amount of work needed to trim each tree branch. This project has been separated into three …