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Peter Duniho wrote:
"Ray Andraka" wrote in message ... Hmm, I was taught to use the throttle to stay on glideslope, not the elevator. I find using the throttle results in more controllability. A little late to the thread, aren't you? That was over a month ago. Anyway... Your comment points to a classic debate, of course. Likely that no person on one side will be convinced to change their methods. However, suffice to say there are plenty of us that find that elevator is a more responsive and useful way to adjust glideslope during an instrument approach. You're above L/Dmax (so pitch changes do "what you expect"), and the result of a pitch change is somewhat more uniform from airplane to airplane (power changes can produce radically different results from airplane to airplane, depending on drag, weight, and type of powerplant). Yes, but you typically also want to maintain a given airspeed while on the approach. Using small throttle adjustments allows you to track the glide path while maintaining a uniform airspeed. Using the elevator won't do that. I always trim to the desired approach speed and then make small throttle adjustments to track the GS ... of course, if you have dramatic wind shear, then you may need large throttle and elevator inputs. Either throttle or pitch can be used for the same purpose, with approximately the same effect. All that said, IMHO if you're going to say something like "I find using the throttle results in more controllability", you ought to define what "controllability" means. Making glideslope changes with pitch instead certainly doesn't cause the airplane to go out of control, so it's not really clear what difference you're talking about. It does allow you to keep better control of the airspeed. Matt |
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