Abstract

The purpose of this technical study was to do a design analysis in order to ascertain the performance and output capacity of a pedal powered cassava grinding machine that is very efficient and affordable for rural farmers (dwellers) who cannot afford petrol and diesel engines as a prime mover for garri processing. In the design, the human expended for an average age man of 70kg (1501b) at a cycling speed range of 16km/h - 24km/h or 233 r.p.m was used and after the analysis the efficiency and human power required to drive the shaft was calculated to be 56% and 1.02hp respectively. The machine which is very cheap and affordable is highly recommended for farmers as it can deliver an output capacity of 58:59kg of cassava per hour and can produce a mechanical advantage of 0.42 which is less than 1 as recommended under simple machines.

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