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Angle of Attack Indicators
Ken S. Tucker wrote:
Referring to sims, I found the AoA indicator of scientific interest to measure airfoil performance, but in shooting landings I relied on the IAS (knots/hr) and vertical airspeed indicator(feet/minute), those together give a rough idea of angle of descent, and one then gets a feeling of AoA from pitch. Yes, you can get a "feel" of AOA from all that, but not enough to fly AOA with the accuracy required in modern carrier operations. A half degree of pitch or a decel/accel trend that you don't see in time could be the difference between a safe landing and a bolter or worse. BTW, IAS is measured in knots, not knots/hr. A knot is a nautical mile/hour, so "knots/hour" would be an acceleration, not a velocity. What might be considered is an instrument that can provide all that info in nice clear form on single gauge at a glance, let's design it. Can't do it; there are too many different types of measurements to be made and displayed. While a velocity vector pointer on a HUD may give a good portion of it, speed is missing... |
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