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Empowering Tanzanian Farmers
Sketch Model Review MotoThresher Empowering Tanzanian Farmers - - PowerPoint PPT Presentation
Sketch Model Review MotoThresher Empowering Tanzanian Farmers - - PowerPoint PPT Presentation
Sketch Model Review MotoThresher Empowering Tanzanian Farmers Motivation Motivation Motivation Motivation Motivation Motivation Motivation + thresher $3000 price [$] MotoThresher $115 50 100 300 throughput [kg/hr] Motivation Can
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Motivation
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Motivation
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Motivation
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Motivation
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Motivation
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Motivation
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Motivation
+ thresher
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throughput [kg/hr] price [$]
300 50 100 $3000 $115 MotoThresher
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Motivation
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Can we design an effective threshing mechanism?
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Threshing
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Motivation
Threshing performance
motorcycle speed [rpm] amount threshed [%]
100 200 50 100 50
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Can we winnow effectively using a fan?
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Winnowing
Separation of the grain from the husk Wind blows lighter material away Heavier material collected at the bottom
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Motivation Winnowing performance
Output [%]
100 High Low Med 50
KEY
Grain Husk
Fan speed
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Threshing
1
Winnowing I
2
Dehusking
3
Winnowing II
4 Future Plans
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Threshing
1
Winnowing I
2
Dehusking
3
Winnowing II
4 Future Plans
mock-up
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Threshing
1
Winnowing I
2
Dehusking
3
Winnowing II
4 Future Plans
mock-up target
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Empowering Tanzanian Farmers
MotoThresher
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