Machmeter Flashcards
1
Q
Mach components
A
Ranging arm is connected to hairspirng
Ratio arm is connected to ALTITUDE CAPSULE
Main shaft is connected to aurspeed capsule
2
Q
Flight mode annunciator
A
3
Q
A
Pud sod
Pitot blocked
~climbing at constant mach number causes an under read
~descending at a constant mach number could cause an underread
Static block
~climb causes under read
~descending causes over read
4
Q
Leaks
A
~if capsule expands ,over speed
If capsule contracts ,underspeed
5
Q
MACH NUMBER PROPOERTINAL TO:
A
SQUARE ROOT OF (DYN PRESSURE/STATIC PRESSURE)
