28- POWERPLANT and SYSTEM MONITORING Flashcards
1
Q
Distance max between engine and mechanical tachometer
A
2 m
2
Q
Out from a a DC Tachometer
A
Voltage which varies with engine speed
3
Q
DC Tachometer inconvénient
A
Suffer from wear and sparking
4
Q
SINGLE PHASE AC Tachometer output
A
AC is rectified to DC
Do not suffer from wear and sparking but suffer from indication error
5
Q
3 PHASES AC Tachometer output
A
a Frequency
6
Q
TORQUE DEFINITION
A
Torque is a turning force produced at a propeller or rotor
7
Q
TORQUE x RPM = ?
A
POWER
