This research aims to study the impact of increasing the number of blades and a rotor pump performance of fire-type shells to brag. The fire fighting pump shell characteristics to brag that this is used in the research. There is a way to suck on two axes. The size of the propeller has a diameter equivalent to 216 mm rotor blades that are used in a closed testing with three series. The first batch, the number of fins, propeller blade angle, 6 out of 24 degrees set at two the number of fins, propeller blade angle, 6 out of 33 degrees, and finally the number of fins, propeller blade angle of exit 8 of the 24-degree propeller test frequency to 50, 55, 60 and in this research, hoet introduced the theory of the Slip Factor of Stoloda describe the effects of the variable rotor affects the performance. The result of the analysis. When you increase the size of a variable makes the performance increases.
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