SECTION 3
LYCOMING OPERATOR’S MANUAL
OPERATING INSTRUCTIONS
O-235 AND O-290 SERIES
OPERATING CONDITIONS (CONT.)
O-235-F, -G, -J
Operation
RPM
HP
Fuel
Cons.
Gal./Hr.
Max.
Oil Cons.
Qts./Hr.
*Max.
Cyl. Head
Temp.
Normal Rated
2800
125
10.7
0.56
500°F (260°C)
Performance Cruise
(75% Rated)
2500
94
7.3
0.31
500°F (260°C)
Economy Cruise
(65% Rated)
2400
81
5.8
0.27
500°F (260°C)
* - 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.
O-235-K, -L, -M
Operation
RPM
HP
Fuel
Cons.
Gal./Hr.
Max.
Oil Cons.
Qts./Hr.
Max.
Cyl. Head
Temp.
Normal Rated
2800
118
9.5
0.39
500°F (260°C)
Performance Cruise
(75% Rated)
2500
89
6.7
0.30
500°F (260°C)
Economy Cruise
(65% Rated)
2400
77
5.8
0.27
500°F (260°C)
O-235-K2C
Operation
RPM
HP
Fuel
Cons.
Gal./Hr.
Max.
Oil Cons.
Qts./Hr.
Max.
Cyl. Head
Temp.
Take-Off
2800
118
----
----
500°F (260°C)
Normal Rated
2700
115
9.2
0.38
500°F (260°C)
Performance Cruise
(75% Rated)
2425
86
6.4
0.29
500°F (260°C)
Economy Cruise
(65% Rated)
2300
75
5.6
0.25
500°F (260°C)
O-235-H Series
Operation
RPM
HP
Fuel
Cons.
Gal./Hr.
Max.
Oil Cons.
Qts./Hr.
Max.
Cyl. Head
Temp.
Take-Off
2800
115
----
----
500°F (260°C)
Normal Rated
2600
108
10.7
0.36
500°F (260°C)
Performance Cruise
(75% Rated)
2350
81
7.3
0.27
500°F (260°C)
Economy Cruise
(65% Rated)
2250
70
5.8
0.23
500°F (260°C)
3-8
Summary of Contents for O-235 series
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Page 8: ...LYCOMING OPERATOR S MANUAL Right Front View O 235 C O 290 D Rear View O 290 D2 vi ...
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Page 86: ...SECTION 8 LYCOMING OPERATOR S MANUAL TABLES O 235 AND O 290 SERIES 8 2 ...
Page 87: ...LYCOMING OPERATOR S MANUAL SECTION 8 O 235 AND O 290 SERIES TABLES 8 3 ...