Phase 1 studies the number of fan blades are appropriate to build a small power generator from natural sources, which can be concluded that the number of trial results, all three found that the rotor blades are rotating blades of 6.2 speed/sec and average power generation can be 0.47 V out 8 blades impeller rotation speed 3 cycles/sec and average out the plant and 0.66 V rotor blades can be rotated 12.5 speed/sec and average power generation can be 1.25 V.Phase 2 studies of water pressure at the fan blades rotate faster or slower. From the comparison of the experimental results, the quantity of water pressure to rotate the impeller vane number 12. At that rate, the size of the water pressure, there are different. By excessive water pressure can produce average voltage. Portion 1.65 V water pressure medium can produce average voltage. Section 1.15 V water pressure less the average voltage can be produced. 0.86 V
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