a historical overview. t-28 instrumentation: position/attitude/velocity initialfinal absolute...
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A Historical Overview
T-28 Instrumentation:Position/Attitude/Velocity
Initial Final
Absolute Position VOR/DME GPS
Storm-relative Tracking radar Telemetered GPS
Altitude Static pressure Static pressure (radar altimeter)
Attitude Pitch/roll gyro Pitch/roll gyroAngle of attack
Heading Magnetic HSI
Speed Dynamic/static p Dynamic/static p
Time Internal clock GPS
T-28 Instrumentation:State Variables
Initial Final
Temperature Rosemount RosemountReverse-flow Reverse-flow
Pressure Static p Static p
Humidity None None
T-28 Instrumentation:Winds
Initial Final
Vertical Rate-of-climb Kopp equation(corrected for (pitch, static and
airspeed, engine dynamic pressures)power variations)
Horizontal None None
Turbulence Fluctuations in Fluctuations indynamic p dynamic p
Accelerometers Accelerometers
T-28 Instrumentation:Microphysics
Initial Final
Cloud water J-W heated wire DMT (King) heated wire(Rosemount icing rate)
Cloud particles Formvar replicator PMS FSSP
Precipitation Foil impactor PMS OAP (2D-C)Particles Cannon camera HVPS
Hail Foil impactor HVPSWindscreen microphone Hail sensor (OAP)
Windscreen microphone
Foil Impactor
HVPS
Hail Sensor
T-28 Instrumentation:Electrification
Initial Final
Electric fields None Field mills (6)
Particle charge None (HVPS charge plates)
T-28 Instrumentation:Chemistry
Initial Final
Tracer gas None (SF6 analyzer)
NO / NOx None TEI analyzer
Sniffer mist
T-28 Instrumentation:Experimental(partial list)
Total water Kyle evaporator
Temperature K-probe
Particle catchers Various
X-rays X-ray detector