Textron Lycoming O-540 Series - Page 57

- 20
-10
18
TEXTRON
LYCOMING
OPERATOR'S
MANUAL
SECTION
3
0-540
&
10-540
SERIES
CURVE NO 12613A
PART
THROTTLE
FUEL
CONSUMPTION
HELICOPTER
ENGINE
MODEL
CARBURETOR.
MARVEL-SCHEBLER
FUEL
GRADE,
MINIMUM
COMPRESSION
RATIO
SPARK
TIMING
FUEL CONSUMPTION
TOLERANCE
0-540F
SERIES
MA-4-5
100/100LL
8501
25
°
BTC
± 4%
FUEL
CONSUMPTION
U.S. G.PH.
20
22
24
26
ABSOLUTE
MANIFOLD
PRESSURE
- IN HG
SPECIFIC
FUEL
CONSUMPTION
6
28
NOTE
TO
OBTAIN
FUEL CONSUMPTION
AT ALTITUDE,
ENTER
THIS CURVE
WITH
ACTUAL
ALTITUDE
POWER OBTAINED
FROM FLIGHT
CONDITION
AS POINT
"F" OF
EXAMPLE
ON ALTITUDE
PER-
FORMANCE
CURVE.
125
150
175
200
ACTUAL
HORSEPOWER
225 250
Figure
3-11.
Part
Throttle
Fuel
Consumption
0-540-F
Series
3-28