AL50/MPG5
Chapter 8. OPERATION OF THE SIMULATED AIRCRAFT’S SYSTEMS
8-2. POWER PLANT
8-2-2
ENGINE INSTRUMENTS
Tachometer
The tachometer is graduated in increments of 100 from 300 to 3500 RPM with numerals at 300,
500, 1000, 1500, 2000, 2500, 3000 and 3500. The green arc (normal operating range) goes from
2000 to 2800 rpm. The red radial line for maximum RPM is at 2800.
The window in the dial shows the engine’s run time in hours and tenths of an hour.
Figure 8.7: Tachometer
Cylinder Temperature Indicator
This instrument shows the cylinder temperature in degrees Celsius. The scale is graduated in
50-degree increments from 50 to 300 with numerals at 50, 100, 150, 200, 250 and 300. The green
bar goes from 93˚to 224˚, the yellow bar from 224˚to 260˚and the red radial line indicating
maximum temperature is at 260˚Celsius.
Figure 8.8: Cylinder Temperature Indicator
19/1/2007
8-7