====== Inspiration ====== * Grain Bikes – GB1: Bicycle Powered Thresher – [[https://farmhack.org/tools/bicycle-powered-thresher|Project page]] [[https://web.archive.org/web/20190204053834/https://farmhack.org/sites/default/files/tools/files/THRESHER_FINAL_UPLOAD.pdf|[PDF]]] [[https://www.youtube.com/watch?v=3kXLkqczBXg|[YouTube]]] * Separate build by Mark [[https://www.youtube.com/watch?v=DYG6QuU8ZCg|[YouTube]]] * Homemade Small Scale Threshing Machine – by Kirk Waln [[https://www.youtube.com/watch?v=-vtet-x7nNY|[YouTube]]] * Buddy-ro's Bean Sheller – [[https://www.youtube.com/watch?v=Sdl393fE3NQ|[YouTube]]] {{youtube>3kXLkqczBXg?medium}} {{youtube>DYG6QuU8ZCg?medium}} {{youtube>-vtet-x7nNY?medium}} {{youtube>Sdl393fE3NQ?medium}} ===== Rotational speed ===== * GB1 has a target speed of about 200-300 RPM, which is the best range according to the creator, luseedhead (see comments on project page). * Buddy-ro's paddles are spinning at about 1700 RPM, with the drum spinning at about 80 RPM the other way. ====== Bill of materials ====== ^ Name ^ Store ^ SKU ^ Count ^ Price ^ | STÅLRØR Ø25mm × 2m | Biltema | [[https://www.biltema.no/bygg/byggbeslag/stalror/stalror-2000038318|79-613]] | 1 | 145 NOK | | Flenslager 25 mm | Økonomi-deler | [[https://www.okonomi-deler.no/flenslager-25-mm|UCF 205]] | 2 | 69 NOK | * Remskive: https://www.okonomi-deler.no/tilbehor/rekvisita/remmer-og-remskiver/remskive-spz/remskive-spz-1-spor * Boss: https://www.okonomi-deler.no/tilbehor/rekvisita/remmer-og-remskiver/boss * Rem: https://www.okonomi-deler.no/tilbehor/rekvisita/remmer-og-remskiver/rem-spz * Motor * Hengsler * Bunnrister i forskjellige størrelser * En liten haug med plank + trelim & spiker / skruer