There are a couple different kinds of bottom unloaders, one is the Harverstore, (well they have a few more). The Harverstore unloaders are like a big chainsaw blade going around inside, then there is the Laidig in the stave silos and some poured concrete silos, they use an auger with several teeth on them, there is a track bolted to the floor on the edge of the silo for the unloader to run on. In the hopper on the Laidig is several gearboxes some drive the sweep arm and some run the auger. When filling the silo you need to run it some so it does not settle down to tight on it or it is hard on it to get it going. Here is a pic of the track, I had to put a new shoe on the end of the sweep arm along with a new drive sprocket, it drives on the track to push the arm forward, at a pace of a foot in 10 minutes or so.
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Today's Featured Article - Chores - by Frank Young. The ceaseless passing of time! It is at once our friend and our enemy. It measures our progress and it makes us old. Like most features of our life, few things are all good or all bad, and most such judgments depend on our own perspective or viewpoint. In our particular hobby, we enjoy the nostalgic return to the days of our youth as we recreate many of the scenes that took place on the family farm that served as the stage for the first few acts of the play that is our live
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