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The second X-48B was modified into the X-48C starting in 2010 for further flight tests. [19] The X-48C has its vertical stabilizers moved inboard on either side of the engines, and its fuselage extended aft, both to reduce the aircraft's noise profile; it was to be powered by two JetCat turbines, each producing 80 pounds-force (360 N) of thrust.
An aeroplane can stall at any speed, so monitoring the ASI alone will not prevent a stall. The critical angle of attack (AOA) determines when an aircraft will stall. For a particular configuration, it is a constant independent of weight, bank angle, temperature, density altitude , and the center of gravity of an aircraft .
An Air Data Inertial Reference Unit (ADIRU) is a key component of the integrated Air Data Inertial Reference System (ADIRS), which supplies air data (airspeed, angle of attack and altitude) and inertial reference (position and altitude) information to the pilots' electronic flight instrument system displays as well as other systems on the aircraft such as the engines, autopilot, aircraft ...
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They are designed to replace traditional mechanical gyroscopic flight instruments. [2] The main difference between an Inertial measurement unit (IMU) and an AHRS is the addition of an on-board processing system in an AHRS, which provides attitude and heading information. This is in contrast to an IMU, which delivers sensor data to an additional ...
X-15 rocket-powered research aircraft, with nose air data boom. An air data boom provides air pressure, temperature, and airflow direction data to data acquisition systems for the computation of air, ground, and water vehicle orientation, speed, altitude/depth, and related information. Air data booms can be used as primary sensors or as a ...
EFIS on an Airbus A380 EFIS on an Eclipse 500 Garmin G1000 on a Diamond DA42 Primary flight display of a Boeing 747-400. In aviation, an electronic flight instrument system (EFIS) is a flight instrument display system in an aircraft cockpit that displays flight data electronically rather than electromechanically.
compressor speed [1] N 1, N 2, etc. refers to the specific compressor spool (in the order that air passes over them). (See: Jet engine) N g: gas generator speed [1] N h: high rotor speed [1] N p: power turbine speed [1] N r: rotor speed (helicopters)