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2.
PERFORMANCE
2-1 MAXIMUM
OUTPUT
The maximum output of an engine is such standard power as developed by the engine, after its initial break-
in period with all the moving parts properly worn in, when operating with a fully open throttle valve. There-
fore, a new engine may not develop the maximum output in the beginning because the moving parts
are
not
in a properly worn-in condition.
2-2
CONTINUOUS
RATED
OUTPUT
The continuous rated output of an engine is such power as developed by that engine when running continu-
ously at an optimum speed, and most favorable from the viewpoint of engine life and fuel consumption ratio,
with the governor in operation. It
is
suggested., therefore, that when designing a driving system for any mech-
anism, with this engine
as
prime mover, the continous power requirement
of
that mechanism be kept below
the continuous rated output specified.
2-3
MAXIMUM TORQUE
and
FUEL CONSUMPTION
RATIO
at
MAXIMUM OUTPUT
These mean the maximum torque of the output shaft and fuel consumption ratio at the maximum output of
an engine.
PERFORMANCE CURVE
MODEL EY15V
Kg-rn
HP
'If+
Recommended
1
Operating
sj
Speed
Range
1
I
I
I I
I
I
I
J
2000
3000
3600
-
r.p.rn.
Revolution
-2-