2.
PERFORMANCE
2-1
MAXIMUM OUTPUT
n
The Maximum output of an engine is
such
standard power
as
developed
by
that engine,
after
its
initial run-in period with
all
the
moving parts properly worn-in, when operating with the fully
open throttle valve. Therefore, it
follows
that
a
new engine may not develop this maximum
output in
the
beginning, because 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
at
an optimum speed most favorable from the point of view of engine life and fuel
consumption ratio. Therefore, it follows that when designing
a
driving system for any
mechanism, with
a
model EY14, EY18-3, EY23, EY25-2 and EY27-2 engine,
as
a
prime
mover,
the
continuous power requirement of
that
mechanism must
be
kept below
the
continuous
rated
output specified.
2-3
MAXIMUM TORQUE
and
FUEL CONSUMPTION RATIO
AT
MAX. OUTPUT
The maximum torque of an engine is
that
driving torque of the driving shaft
at
which the engine
is
driving an external load,
while
the
engine
is
developing
its
max. output. The fuel
consumption ratio
at
max. output
is
that
fuel consumption ratio
of
an engine while
that
engine
is
running
at
the
rnax. output.
PERFORMANCE CURVE
PERFORMANCE CURVE
MODEL EY18-38
-2-
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