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Agricultural Microcombine (Combine) - a combine is a complex device that cuts, threshes, and winnows grains and field crops of all sorts.
Modern combines are huge devices today, and a smaller one is desirable for a small farm. This is not to say that this design should not be scaleable to larger size, as required to feed larger populations effectively. We propose a hybrid combine, with all parts driven by separate, infinitely speed controllable motors. This eliminates all pulleys and complexity of a single power source powering the entire modern combine. The key here is availability of cost-effective motors and controls, where today, motor controls are prohibitively expensive for such a proposition. OS changes this. With a microcombine under the control of the operator, expensive maintenance is avoided, and full food sufficiency becomes feasible on the tens-of-acres scale.
Current work includes getting information from grain and bean farmers about their needs for a microcombine, the operation modes they'd like, etc. and surveying any commercial equipment available that is similar in scope/scale.