Development and Performance Evaluation of Irish Potato Peeling Machine | Journal of Engineering.....

A small-scale/household potato peeling machine has been developed in Ireland. Three locally grown Irish potato varieties were used to test machine performance: Nicola, Bartita, and Bawondoya, respectively. Tuber feed rate, shaft speed, and variety were the independent variables, while peeling efficiency, tuber flesh loss, and machine production capability were the performance indicators in a 22x3 factorial experiment in fully randomised design (CRD) with three replications. The effects of variety on peeling efficiency and feed rate on production capability were highly significant (P=.01) according to ANOVA results. Also important (P=.05) was the interaction of speed and variety on peeling performance, as well as the impact of variety on production power. For Bawondoya, the combination of variety and speed at 480 rpm resulted in a maximum mean peeling efficiency of 55.6 percent. Similarly, at a slightly higher speed of 510 rpm, Bartita achieved a maximum mean peeling performance of 64.6 percent. The least amount of flesh loss was received by Bartita, at 0.84 percent, while the most amount of flesh loss was observed by Nicola, at 1.43 percent. The minimum and maximum output capacities were 31.3 kg/h and 59.2 kg/h, respectively, at feed rates of 50 g/sec and 60 g/sec.

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