Selection Consideration |
Impeller Solution |
Q1: Engine RPM is too high or is exceeding manufacturers' recommendations at full throttle.
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A1: Increase impeller pitch.
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Q2: Engine RPM is too low or not reaching its rated RPM at full throttle.
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A2: Decrease impeller pitch. |
Q3: High altitude operation.
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A3: Decrease impeller pitch. |
Q4: Cold weather operation.
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A4: Increase impeller pitch. |
Q5: Top speed and performance under all conditions.
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A5: Increase or decrease impeller pitch to reach the manufacturer's recommended RPM at full throttle. |