190-00663-00 Rev. A
Garmin G1000 Pilot’s Guide for the Hawker Beechcraft C90A/GT
3-5
ENGINE INDICATION SYSTEM
TACHOMETER (RPM)
The Tachometer is located beneath the Torque gauge and displays the propeller speed in revolutions per
minute (RPM) from 0 to 2500. A propeller overspeed is indicated if the propeller speed exceeds the maximum
safe operating speed (red tick mark). The Tachometer is equipped with a propeller sync indicator, which points
towards the higher-speed propeller. The indicator changes linearly with RPM difference between the left and
right propellers. A full diamond is displayed when the propellers are synchronized and transitions to a full
arrowhead when the difference is greater or equal to 50 rpm.
Figure 3-5 Tachometer with Propellers Synchronized
Figure 3-6 Tachometer with Propellers Out of Sync (less than 50 rpm)
Figure 3-7 Tachometer with Propellers Out of Sync
(greater than or equal to 50 rpm)
Summary of Contents for G1000:Beechcraft Baron 58/G58
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