Development of a simple machine for threshing cowpea and kidney bean crops. [electronic resource].

Includes references.

The objective of the present Investigation is to develop, manufacture and evaluate a machine for threshing Cowpea and Kidney bean crops. The thresher was evaluated and tested at EI- Sarw Agricultural Research Station, Domietta Governorate under different screen holes, drum speeds, number of spike teeth and concave clearances at four different levels of grain moisture contents for Cowpea and Kidney bean crops. The performance of the thresher machine was evaluated under the following parameters : Three different number of spike teeth of 10,20 and 30 are distributed on the drum through 2, 4 and 6 lines, four different drum speeds ( 5.5 , 7.9 , 10.6 and 14.4 m/s) , four different drum-concave clearances (9,11 ,14 and 16 mm) and (16,18,20 and 22mm) for cowpea and kidney bean crops respectively and four levels of seed moisture contents ( 10.09 , 13.48 , 15.22 and 18.94 % ) and (10.43, 12.90,15.21 and 17.85 %) (d.b.) for cowpea and kidney bean crops respectively.

Summary in Arabic.

1