Figure 4-32. Vacuum-Operated Metering Rod.
causing the piston spring to lift the metering rod out of
same principles as the vacuum-operated one described
the jet progressively increasing the fuel flow to the
in paragraph 4-17d with the exception that it is operated
by linkage from the throttle valve. The linkage is
calibrated so that the metering rod regulates the fuel
e. Mechanically Operated Metering Rod (Fig 4-33).
perfectly for each throttle position.
The mechanically operated metering rod works the
Figure 4-33. Mechanically Operated Metering Rod.