PERFORMANCE OF UNDERSHOT WATERWHEELS WITH A VARIATION OF THE NUMBER OF ARCHIVES OF 90O

Waterwheels are often used by the community since a long time ago, various models of waterwheels have been made. In this study, the design of a 90° curved blade wheel and carried out on a laboratory scale with the undershot wheel test equipment in the laboratory, for further research this research was developed in rural areas. The research was carried out by taking three data, namely bent blades four, six and eight. Each data was carried out five experiments by varying the water level. The test results obtained flow rate, bucket discharge, flow velocity, water power, speed of spinning wheel and power of the wheel. The calculation results are processed in graphical form to compare each data. In conclusion, the 8-blade wheel has high power and efficiency and the 4-blade wheel has low power and efficiency