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Flight dynamics
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Andreas
Dec 5, 2023
AOA information on the speed tape: Benefits and caveats
This article aims to highlight benefits and caveats of mixing AOA-derived information in to a speed tape.
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Andreas
Sep 14, 2023
Back to the future: Direct Lift Control (DLC)
What do the F-14, the L-1011 and the C-17 have in common? You guessed it: their flight controls involve direct lift control [1]. More...
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Andreas
Sep 19, 2022
Challenging the Pitot tube: Optical air data
A radically different method to optain air data, based on optical measurements.
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Andreas
Dec 17, 2021
Rolling dynamics – understanding an airplane’s reaction to a roll command
No matter if we look at an aerobatic trainer, a jet fighter or a transport category airliner, they all execute rolling maneuvers on a...
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Andreas
Jan 19, 2021
Aircraft-Pilot Coupling – Understanding why and how it happens.
The topic of Aircraft-Pilot Coupling (APC) has historically been referred to as “pilot-induced oscillation” or “pilot-involved...
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Andreas
Dec 1, 2020
A “new spin” on spins
EASA and FAA have significantly modified the stall-spin requirements for part 23 aircraft during the recent re-write of CS/FAR23. The...
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Andreas
Aug 26, 2020
Maneuvering effects
When an aircraft performs turns, pull-up’s or push-over’s, many things are different from the “straight-and-level” regime. Engineers...
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Andreas
Mar 6, 2019
The alpha-beta trap
As pilots we have to ensure many things, but in particular we have to ensure the proper attitude (our own and the one of the aircraft we...
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Andreas
Nov 24, 2018
Secrets of stability: Cm-alpha
If you ask an aerospace engineer, what the fundamental requirement for static longitudinal stability of an airplane is, he or she will...
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Andreas
Oct 15, 2018
C* - An unknown star
C* (pronounced „C-Star“), is one of the dominant digital flight control laws for Fly-By-Wire (FBW) transport aircraft. It has its roots...
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