Reader Kenneth Madl spoke eloquently of “Lockheed’s Earlier ‘Magic,’” (AW&ST July 21, p. 8). But I would like to offer one small correction: The Direct Lift Control on Lockheed L-1011s used the spoilers, not the slats, to vary the lift on the wing on landing approach. If landing flaps of 33 or 42 deg. were selected, the spoilers would deploy approximately 25% and modulate up or down, depending on yoke or autopilot pitch input. As an aside, Delta Air Lines, ...

SUBSCRIBE TO ACCESS THIS ARTICLE

"Spoiler Alert" is part of Aviation Week & Space Technology’s subscription package. 

Subscribe now to read this full article. And by subscribing, you'll also receive full coverage of what's next in technology from the experts trusted by the global aerospace & defense community. 

 

Already registered? here.