P
RINCIPLE OF
O
PERATION
Normal Flight
Critical Angle of Attack
T
HE CONCEPT BEHIND
D
YNON
'
S DESIGN IS ILLUSTRATED IN THE
DIAGRAMS AT RIGHT
.
T
HE
D
YNON
A
VIONICS
AOA/P
ITOT PROBE
PERFORMS TWO FUNCTIONS
:
AIRSPEED SENSING AND ANGLE OF
ATTACK SENSING
.
T
HESE FUNCTIONS REQUIRE HAVING TWO PRESSURE
PORTS ON THE TIP OF THE PROBE
.
T
HE NORMAL PITOT PRESSURE PORT
IS ON THE FRONT FACE OF THE PROBE AND IS DESIGNED TO BE
INSENSITIVE TO ANGLE OF ATTACK
.
T
HE SECOND PRESSURE PORT IS
LOCATED ON AN ANGLED SURFACE JUST UNDER THE PITOT PORT AND IS
DESIGNED TO BE VERY SENSITIVE TO
AOA.
T
HE PRESSURE FROM
EACH PORT IS DELIVERED VIA SEPARATE AIR LINES TO THE
INSTRUMENT WHERE THEY ARE COMPARED TO PREVIOUSLY
CALIBRATED SCENARIOS SPECIFIC TO THAT AIRCRAFT
.
Van’s RV7
Aircraft Flight
Manual
Rev 0.1
S/N 74141
Aircraft Flight
Manual
I-MKLK
DESCRIPTION OF THE AIRPLANE
I-MKLK AIRCRAFT FLIGHT MANUAL 7.0 108
