Lycoming O-290 Operator's Manual page 33

SECTION 3
OPERATING INSTRUCTIONS
Operation
Normal Rated
Performance Cruise
(75% Rated)
Economy Cruise
(65% Rated)
* - At Bayonet Location – For maximum service life of the engine, maintain cylinder head temperatures
between 150°F (65°C) and 400°F (204°C) during continuous operation.
Operation
Normal Rated
Performance Cruise
(75% Rated)
Economy Cruise
(65% Rated)
Operation
Take-Off
Normal Rated
Performance Cruise
(75% Rated)
Economy Cruise
(65% Rated)
Operation
Take-Off
Normal Rated
Performance Cruise
(75% Rated)
Economy Cruise
(65% Rated)
3-8
OPERATING CONDITIONS (CONT.)
O-235-F, -G, -J
RPM HP
2800 125
2500 94
2400 81
O-235-K, -L, -M
RPM HP
2800 118
2500 89
2400 77
O-235-K2C
RPM HP
2800 118
2700 115
2425 86
2300 75
O-235-H Series
RPM HP
2800 115
2600 108
2350 81
2250 70
LYCOMING OPERATOR'S MANUAL
O-235 AND O-290 SERIES
Fuel Max.
Cons. Oil Cons.
Gal./Hr. Qts./Hr.
10.7 0.56
7.3 0.31
5.8 0.27
Fuel Max.
Cons. Oil Cons.
Gal./Hr. Qts./Hr.
9.5 0.39
6.7 0.30
5.8 0.27
Fuel Max.
Cons. Oil Cons.
Gal./Hr. Qts./Hr.
---- ----
9.2 0.38
6.4 0.29
5.6 0.25
Fuel Max.
Cons. Oil Cons.
Gal./Hr. Qts./Hr.
---- ----
10.7 0.36
7.3 0.27
5.8 0.23
*Max.
Cyl. Head
Temp.
500°F (260°C)
500°F (260°C)
500°F (260°C)
Max.
Cyl. Head
Temp.
500°F (260°C)
500°F (260°C)
500°F (260°C)
Max.
Cyl. Head
Temp.
500°F (260°C)
500°F (260°C)
500°F (260°C)
500°F (260°C)
Max.
Cyl. Head
Temp.
500°F (260°C)
500°F (260°C)
500°F (260°C)
500°F (260°C)