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RECOMMENDATIONS

  1. It would appear necessary to conduct some tests to check if (as for rice) a human powered threshing mechanism results in significant increase in labor productivity over traditional hand-beating methods.
  2. Should these tests prove affirmative, then there could be 3 possible solutions to production of human-powered threshers for sorghum and millets:

 

  1. Should it prove convenient, the utility and utilisation of such a thresher could be improved by the incorporation or attachment of a hammer mill or a roller-bearing type plate mill for grain milling. Or a general purpose drive which could power devices such as winnowers, maize shellers, water pumps etc..

 

COURSE OF ACTION

Some energy comparison tests were conducted at Morogoro, and are presented below.

It was decided to design a machine from basics, and the results of that are contained in the main body of this report below. However options (1) and (2) within Recommendation (2) above may still be valid in some circumstances.

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