Spark Ignition Aircraft Engine Endurance Test of Aviation ... - FAA
Spark Ignition Aircraft Engine Endurance Test of Aviation ... - FAA
Spark Ignition Aircraft Engine Endurance Test of Aviation ... - FAA
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Table 7. Best Economy Comparison Between Age-85 and ISO<br />
Power Setting<br />
Lowest<br />
Corrected<br />
BSFC<br />
(lb/bhp hr)<br />
Fuel Flow at<br />
Lowest<br />
Corrected<br />
BSFC<br />
(lb/hr)<br />
Corrected<br />
BHP at<br />
Lowest<br />
Corrected<br />
BSFC<br />
(lb/bhp hr)<br />
Average<br />
EGT at<br />
Lowest<br />
Corrected<br />
BSFC<br />
(ºF)<br />
Max EGT<br />
(ºF)<br />
ISO TO 0.411 70.9 177.3 1595 1602<br />
ISO 28-in. Hg, 2600 rpm 0.406 63.7 161.1 1593 1594<br />
ISO 26-in. Hg, 2600 rpm 0.412 61.0 146.7 1595 1596<br />
ISO 24-in. Hg, 2400 rpm 0.416 51.2 120.1 1575 1576<br />
ISO 22-in. Hg, 2200 rpm 0.430 40.2 92.2 1549 1553<br />
AGE-85 TO 0.631 113.3 181.6 1607 1608<br />
AGE-85 28-in. Hg, 2600 rpm 0.629 101.0 162.4 1589 1589<br />
AGE-85 26-in. Hg, 2600 rpm 0.637 94.0 148.8 1589 1589<br />
AGE-85 24-in. Hg, 2400 rpm 0.637 79.0 123.6 1557 1558<br />
AGE-85 22-in. Hg, 2200 rpm 0.664 61.2 93.8 1548 1549<br />
Figure 11. Corrected Power and Average EGT vs Fuel Mass Flow at FT and 2700 rpm<br />
15
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