Lycoming O-290 Operator's Manual page 18

SECTION 2 LYCOMING OPERATOR'S MANUAL
SPECIFICATIONS O-235 AND O-290 SERIES
SPECIFICATIONS (CONT.)
O-235-F, -G, -J
FAA Type Certificate ....................................................................................................................................223
Take-off horsepower......................................................................................................................................125
Take-off RPM ..............................................................................................................................................2800
Rated horsepower...........................................................................................................................................125
Rated RPM...................................................................................................................................................2800
Bore, inches.................................................................................................................................................4.375
Stroke, inches..............................................................................................................................................3.875
Displacement, cubic inches.........................................................................................................................233.3
Compression ratio ....................................................................................................................................... 9.7:1
Prop. drive ratio ............................................................................................................................................. 1:1
Prop. driven rotation (viewed from rear) ............................................................................................Clockwise
Firing orders............................................................................................................................................ 1-3-2-4
Spark occurs, BTC ......................................................................................................................................... 25°
Rocker clearance, cold ......................................................................................................................... .007/.009
O-235-N, -P
FAA Type Certificate ....................................................................................................................................223
Take-off horsepower......................................................................................................................................116
Take-off RPM ..............................................................................................................................................2800
Rated horsepower...........................................................................................................................................116
Rated RPM...................................................................................................................................................2550
Bore, inches.................................................................................................................................................4.375
Stroke, inches..............................................................................................................................................3.875
Displacement cubic inches..........................................................................................................................233.3
Compression ratio ....................................................................................................................................... 8.1:1
Prop. drive ratio ............................................................................................................................................. 1:1
Prop. driven rotation (viewed from rear) ............................................................................................Clockwise
Firing orders............................................................................................................................................ 1-3-2-4
Spark occurs, BTC ......................................................................................................................................... 20°
Rocker clearance, cold ......................................................................................................................... .007/.009
O-235-K, -L, -M
FAA Type Certificate ....................................................................................................................................223
Take-off horsepower......................................................................................................................................118
Take-off RPM ..............................................................................................................................................2800
Rated horsepower...........................................................................................................................................118
Rated RPM...................................................................................................................................................2800
Bore, inches.................................................................................................................................................4.375
Stroke, inches..............................................................................................................................................3.875
Displacement, cubic inches.........................................................................................................................233.3
Compression ratio ....................................................................................................................................... 8.5:1
Prop. drive ratio ............................................................................................................................................. 1:1
Prop. driven rotation (viewed from rear) ............................................................................................Clockwise
Firing orders............................................................................................................................................ 1-3-2-4
Spark occurs, BTC ......................................................................................................................................... 20°
Rocker clearance, cold ......................................................................................................................... .007/.009
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