Research was carried out to improve the multi-crop El-Shames stationary thresher for wheat and rice under Egyptian conditions. The new thresher provides optimal performance for small farmers. The techniques used included developing a new cylinder that can thresh wheat and paddy without major adjustment and also a modified and improved shape of the louver fins. A study of operating ranges determined the thresher capacity and results showed it had been increased for wheat and paddy crops without affecting seed quality (i.e., damage and losses). The results on feed rate, cylinder speed, moisture content, separation efficiency and material flow rate along the rotor cylinder are discussed.
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