31. They use either propellers or more recently impellers as utilized by water jet boats. 32. The jet pump featured a stainless steel impeller . 33. The miscellaneous store contains an electric motor, pump impellers and machinery bearing blocks. 34. Impeller models break water up into tiny droplets as it is expelled into the air.35. There are no impellers , turbines, motors, or mechanical parts to wear out. 36. All energy transferred to the fluid is derived from the mechanical energy driving the impeller . 37. Dennis avoided this by using a doubled-sided impeller which balanced the overall force. 38. The intercooler also circulated coolant through passages in the supercharger casing and between the impellers . 39. Conical mills are available in Ex-execution with a variety of sieves and impellers . 40. Before he leaves he repairs the impeller .
