2.
PERFORMANCE
2-7 MAXIMUM OUTPUT
The maximum output
of
an engine is such a standard power as produced by the engine with its throttle valve
fully opened after its initial break-in period when all the
moving
parts are properly worn in. Therefore, a new
engine may not produce the maximum output in the beginning because the moving parts are not in a proper-
ly worn-in condition.
2-2
CONTINUOUS RATED OUTPUT
The continuous rated output of an engine is such a power as produced by the 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 AT MAXIMUM OUTPUT
These mean the maximum torque of the output shaft at the maximum output of an engine.
PERFORMANCE CURVES
12
Kg-m
2.5
f
2.3
6
5
Revolution
-
r.p.m.
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