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Flying the EA82 in my Air Command.

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  • #16
    This past Saturday I hooked up my air/fuel ratio gauge and cam up with a steady 11.2 at full throttle. This is slightly on the rich side witch I think would be acceptable at full throttle. I also checked the timing, and did a compression test. The timing was good, but the compression showed:
    1 = 185
    2 = 165
    3 = 165
    4 = 115

    There seems to be no blow-by, so I think the rings are good. I'll be removing that head this Saturday to check the lifters and valves in the low cylinder.
    Bobby Munroe
    Private Pilot (SEL)
    PRA Chapter 62 #42748
    EAA #1160523

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    • #17
      A leak down test.

      The way I prefer to check the condition of the engine and the aviation way to do it is to put the cylinder at top dead center, apply 80 pounds of air and use a gage (leak down tester) to tell how much pressure is being held on each cylinder. It is expressed as a percent.

      Remember the propeller is always trying to kill you so be careful about finding top dead center and stay clear of the propeller when adding pressure to the cylinder.

      If the rings are leaking the crankcase breather will hiss.

      If the exhaust valves are leaking the exhaust will hiss.

      If the inlet valves are leaking the inlet will hiss.

      Regards, Vance Breese Gyroplane CFI http://www.breeseaircraft.com/

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      • #18
        I'll do a leak down test before pulling the head.
        Bobby Munroe
        Private Pilot (SEL)
        PRA Chapter 62 #42748
        EAA #1160523

        Comment


        • #19
           
          Bobby Munroe
          Private Pilot (SEL)
          PRA Chapter 62 #42748
          EAA #1160523

          Comment


          • #20
            I'm still fighting audio issues, so bare with me. I got to use my new DR-5 to record my mic and it helps. I just have to figure out what settings it likes.
             
            Bobby Munroe
            Private Pilot (SEL)
            PRA Chapter 62 #42748
            EAA #1160523

            Comment


            • #21
              Here's my video from last week.
               
              Bobby Munroe
              Private Pilot (SEL)
              PRA Chapter 62 #42748
              EAA #1160523

              Comment

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