Spark Ignition Aircraft Engine Endurance Test of Aviation ... - FAA

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Figure 19. Corrected Power and Average EGT vs Air-to-Fuel Ratio at FT and 2700 rpm Figure 20. Corrected Power and Average EGT vs Air-to-Fuel Ratio at 28-in. Hg and 2600 rpm 21
Figure 21. Corrected Power and Average EGT vs Air-to-Fuel Ratio at 26-in. Hg and 2600 rpm Figure 22. Corrected Power and Average EGT vs Air-to-Fuel Ratio at 24-in. Hg and 2400 rpm Figures 23 through 26 show the same data from figures 19 through 22 plotted versus equivalence ratio instead of air-to-fuel ratio. The equivalence ratio is a measure of the stoichiometric air-tofuel ratio to the actual air-to-fuel ratio. The stoichiometric air-to-fuel ratio is the ratio where 22
Page 1 and 2: DOT/FAA/AR-06/43 Office of Aviation
Page 3 and 4: 1. Report No. DOT/FAA/AR-06/43 4. T
Page 5 and 6: LIST OF FIGURES Figure Page 1 Oil F
Page 7 and 8: 46 Posttest Connecting Rod Bearing
Page 9 and 10: LIST OF ACRONYMS 100 low-lead 100LL
Page 11 and 12: more fuel volume flow. Future tests
Page 13 and 14: At the completion of the test, the
Page 15 and 16: The engine was installed in a test
Page 17 and 18: Table 4. Parameter Settings for End
Page 19 and 20: Figure 1. Oil Filter Inspection Fig
Page 21 and 22: Figure 4. Corrected Power at 2700 r
Page 23 and 24: Figure 8. Corrected Power at 2300 r
Page 25 and 26: Figure 10. Corrected BSFC vs Fuel M
Page 27 and 28: Figure 12. Corrected Power and Aver
Page 31: Table 8 provides a summary of the e
Page 37 and 38: output from all six cylinders. Pist
Page 39 and 40: The oil filter was cut open and the
Page 41 and 42: Figure 29. Top of Piston Face of Cy
Page 43 and 44: Figure 33. Bottom of Piston Face an
Page 45 and 46: Figure 39. Posttest Crankshaft Conn
Page 47 and 48: The camshaft lobes, shown in figure
Page 49 and 50: Figure 59 shows a combustion chambe
Page 51 and 52: Figure 63. Posttest Rocker Arm Show
Page 53 and 54: Visual observation of the intake tu
Page 55 and 56: Future testing should address effec
Page 57 and 58: Table A-2. Middle and Rear Main Cra
Page 59 and 60: Table A-4. Valve Tappet Outer Diame
Page 61 and 62: Table A-10. Top Piston Ring Side Cl
Page 63: Table A-14. Intake Valve Seat Width

Spark Ignition Aircraft Engine Endurance Test of Aviation ... - FAA

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