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Aero Precision - Premier C130 Aftermarket Support
Aero Precision - Premier C130 Aftermarket Support
Aero Precision - Premier C130 Aftermarket Support
 
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    • munirabbasi
      By munirabbasi
      hello expertise
      Engine oil suddenly loss during flight defect could repeat on ground operation
      munir abbasi
    • saikojer
      By saikojer
      Hye there, we are in progress to settle down on the defect "No 4 eng RPM overspeed 105%-106% and maintain in normal and mech gov"

      - During EGR found No.4 TORQUE, TIT and FUEL FLOW, LOW at crossover with RPM overshoot to 104%.

      INDICATION AT CROSSOVER.

      Torque : 1400lbs 
      TIT: 678℃ 
      Fuel Flow : 990

      RECTIFICATION BEING TAKEN :

      -RPM adjustment.
      -Blade angle adjustment.
      -Null orifice + wormshaft adjustment
      -ectm
      -valve housing replaced.
      -syncrophaser
      - Coordinator resistance cx
      - tachogene resistance cx
      - Dome Assembly-SATIS.

      Still persist after a week : 
      -Propeller and Valve Housing replaced.
      - SATIS.

      Still persist on next day :.

      No.4 engine RPM overshoot to 103.3% RPM on power advance with pitch lock symptomps.
      + RPM fuel governed out of limit.

      - pitch lock regulator - still persist.
      - FCU replace - SATIS.


      New snag after a week :

      No 4 engine nil low pitch stop.

      - Rigging blade angle and low pitch stop adjustment.
      -Valve housing adjustment.
      - Replace dome assy.
      - Replaced low pitch stop packing.
      *Still Persist.

      No 4 eng RPM overspeed  with TORQUE, TIT and FUEL FLOW, LOW at crossover with RPM overshoot to 104%.

      - Replaced Back previous dome assy + low pitch stop packing.

      * SATIS but torque anticipation very slow during advance throttle.

      *Throttle already at FLIGHT IDLE, TQ remain : 1.40 lbs.
      -After about 10 sec TQ increase to 3.4lbs.

      *Advance throttle, RPM+FUEL FLOW + TIT increase with low TQ until RPM overshoot until 104.4%.
      - Retard throttle, RPM drop and TQ can SLOWLY can achieved 7.5lbs.

      -Replaced Coordinator.
      * Still persist.

      - Replace another Valve Housing.
      *Still persist.
       
      Anyone got idea on this synthom ?

    • MaartenD
      By MaartenD
      Hello my name is Maarten, I am a Belgian last year high school student: aircraft technology. For my graduation I have to write a paper about the eingines of the C-130 Hercules. I've found a lot of information about the Allison T56 but it's more difficult to find the wright information about the Rolls Royce AE2100 engine. I need to know the differences between those two engines so I can compare them with each other. Do you know websites I have to visit or can you tell me somthing about those engines, any kind of information is welcome. If someone can help me with it I will be most thankful.

      Grtz Maarten
Champion Aerospace




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