Textron Lycoming IO-540 Series Operator's Manual page 45

TEXTRON LYCOMING OPERATOR'S MANUAL
0-540 & 10-540 SERIES SECTION 3
OPERATING CONDITIONS (CONT.)
Fuel Max. *Max.
Cons. Oil Cons.
Cyl.Head
Operation RPM HP
Gal./Hr. Qts./Hr. Temp..
Normal Rated 2400
Performance Cruise
(75% Rated) 2200
Economy Rated
(60% Rated) 2000
Normal Rated 2425
Performance Cruise
(75% Rated) 2200
Economy Cruise
(60% Rated)
1900
Normal Rated 2400
Performance Cruise
(75% Rated) 2200
Economy Cruise
(60% Rated) 2000
[O-540-W Series
235 ---- 0.78
175 12.5 0.58
140 10.1 0.47
IO-540-AA Series
250 --- 0.83
190 14.5 0.63
150 11.5
0.50
IO-540-AB Series
230 ---- 0.78
175
12.5 0.58
500°F. (260°C.)
500°F.(260°C.)
500°F.(260°C.)
500°F.(260°C.)
500°F.(260°C.)
500 F.(260°C.)
500°F.(260°C.)
500°F.(260°C.)
140 10.1 0.47
500°F.(260°C.)
* - At Bayonet Location - For maximum service life of the engine main-
tain cylinder head temperatures between 150°F. and 435°F. during con-
tinuous operation.
Revised January 1997
3-17