2.
PERFORMANCE
2-1
MAXIMUM
OUTPUT
The maximum ouput 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. Therefore,
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
sudrpower as developed
by
that engine when
running
continuously at
an
opti-
mum
speed,
and
most favorable from the viewpoint of engine life and fuel consumption ratio,
with
the governor
in
opera-
tion. It
is
suggested, therefore, that when designing a
driving
system
for
any mechanism, with this engine
as
prime mover,
the continuous power requirement
of
that mechanism be kept below
the
continuous rated output specified.
23
MAXIMUM
TORQUE
These mean the maximum torque
of
the output shaft and fuel consumption ratio at the maximum output of an engine.
PERFORMANCE
CURVES
MODEL EY15D,
15B
(
1
for
B
type
4
Ma;.
Torque
~
0.7
-
I
I
7
0.6
HP
tii
I\ I
I
I
I
I
I
I
2000
3000
4000
(1
000)
(1
500)
(20001
r.p.m.
Revolution
kg-m
-2-
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