Quote:
Originally Posted by robtek
The instability in the NACA report is, that a constant stick input, say one inch back with 6lbs pressure, led to a ever increasing g-load, and that was the malus for the Spitfire controls.
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No, there's nothing like that in the NACA reports. Neither in pull ups (figure 12), nor in turns (figure 21). The curves clearly show progressive elevator angle (stick travel) and progressive forces, even though the stick travel is small.