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#21
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About Stall Psychology and Pilots
"Dudley Henriques" wrote in message
... ... You're right. Power on stalls have a natural tendency to make newbies more nervous than power off. The nose attitude is generally higher, it's louder, (this is a factor BTW), the break is cleaner and more sudden, and the recovery can seem hurried to a newbie who is experiencing the recovery under stress. Are you familiar with what Derrik Piggott has written about some peoples sensitivity to reduced G forces? It used to be on-line but I can't find a copy anymore. But his theory is that some people react very poorly to reduced G and will can attempt to "brace" themself to avoid falling which can result in an accident when stalling at a low altitude... I'll have to keep looking - it was an interesting read for me since my youngest just HATES even things like elevators or driving over a bit of a hill (reduced G situations) -- Geoff The Sea Hawk at Wow Way d0t Com remove spaces and make the obvious substitutions to reply by mail When immigration is outlawed, only outlaws will immigrate. |
#22
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About Stall Psychology and Pilots
Capt. Geoffrey Thorpe wrote:
"Dudley Henriques" wrote in message ... ... You're right. Power on stalls have a natural tendency to make newbies more nervous than power off. The nose attitude is generally higher, it's louder, (this is a factor BTW), the break is cleaner and more sudden, and the recovery can seem hurried to a newbie who is experiencing the recovery under stress. Are you familiar with what Derrik Piggott has written about some peoples sensitivity to reduced G forces? It used to be on-line but I can't find a copy anymore. But his theory is that some people react very poorly to reduced G and will can attempt to "brace" themself to avoid falling which can result in an accident when stalling at a low altitude... I'll have to keep looking - it was an interesting read for me since my youngest just HATES even things like elevators or driving over a bit of a hill (reduced G situations) Haven't seen this specific report, but the symptom is a common one and something every good instructor feels out carefully in the beginning stages of a newbies training. I've often said to new CFI's that probably the most important time they will ever spend with a new student is in that first few hours of exposure with that student. It's during this time the instructor has to evaluate exactly how he/she will interface with that specific student, and also during the first hour of dual, just where a specific student is comfort wise in the airplane. Instructors who fail to make these assessments do great harm to themselves AND their students. -- Dudley Henriques |
#24
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About Stall Psychology and Pilots
It's interesting to note that although stall recovery should be thought of as something done with a minimum loss of altitude, the emphasis on recovery should always be placed on the regaining of angle of attack as PRIME to recovery. I am one instructor who strongly believes that instructors should consider altering their approach to teaching stall to focus more strongly on recovering angle of attack than recovering in minimum altitude. Stalls entered at low altitude have many times resulted in secondary stall entry or a mushed recovery followed by ground impact by pilots who COULD have lowered the nose and held it down there a bit longer than they did, using the air under them to better advantage and giving themselves the needed time to regain angle of attack and smooth airflow as they attempted a recovery. But because they had been taught that ALTITUDE rather than AOA was the killer, they recovered trying to save altitude, when in reality what was needed was to USE THE AVAILABLE ALTITUDE CORRECTLY....and save the airplane. Toward this goal, I strongly encourage all CFI's to reference AOA in stall recovery. This doesn't mean INSTEAD of altitude, but it does mean that to recover the airplane, you absolutely HAVE to restore AOA, and at low altitude that might very well mean using available altitude to the last foot of air to do that. I have always taught stall recovery both with and without power. The FAA requires power. I want the student to see the difference and at the same time be able to stress that it's the ANGLE OF ATTACK that saves your butt. The strong lesson here is that you USE altitude......you don't try to minimize it at the expense of angle of attack. Sounds like you had a fine instructor. Private wrote: "Dudley Henriques" wrote in message ... wrote: A point that is critical to make here is that it's not necessary that you actually fly outside the 30/60 on any constant basis for you to be comfortable there. What IS important is that although the vast majority of your flying will remain inside the 30/60 zone, your training has resulted in your not being uncomfortable outside your normal area. ... Dudley Henriques I'm probably much luckier than many in that my club has both an Aerobat and an instructor available with an aerobatics rating (or endorsement, whatever it's called). She has me working through the Kershner book as a prereq. I plan for a 5 or 6 hour course this April/ May. Speaking directly to the discomfort outside of 30/60: I had moderate nerves flying slow at first, but after a time or two of dual I found myself settled. I became at ease with power-off stalls, as the aircraft just wasn't doing any bucking or dipping. But I didn't get comfortable with power-on -- even though I was comfortable in the reverse power curve in steady slow flight with the stall horn buzzing constantly. Still, solo I was quite nervous with power-on stalls. When it came time to really practice that before the checkride I had a hard time finding the same calm place I was at with power-off stalls. The power-on has a harder break in the Aerobat; I had trouble holding course and keeping coordinated. On one flight I got rather exasperated with myself and thought "dang it, this is an airplane, it's okay if it banks and pitches and rolls about!", then, after doing some clearing turns I did some steeper banks while power-off in a moderately steep nose down attitude (less than 30 -- but definitely far from straight and level). I kept doing that until I settled down. Even though I knew before I did those steeper maneuvers that I could recover from them (they were "unusual attitudes"), nevertheless ACTUALLY performing them and recovering made a huge difference to my comfort level. After than I was able to do better power-on stalls and not have the nerves about when the plane would suddenly lose lift. They weren't perfect but I didn't have the nerves anymore. By the way, though the checkride DE did not make be do a power-on to full stall break, my instructor always did. In retrospect, though it was more uncomfortable at first, I'm glad she always made me do to a full break stall. If I didn't, she'd say "let's do that again", rather sternly. Oddly, I was more frightened of the spin from power-on than power off (which may be reasonable, I'm not sure); even though the two spins she demonstrated for me were done power-off. I think maybe because I felt it was easier to stay coordinated power-off, without all those extra precession and p-factor effects twisting the plane, thus was at lower risk to a flight condition I had not myself recovered from. For me there's a mental wall of nerves/fear when I have not done a manuever myself -- even if I know how in theory. For spin, PARE. But I haven't done it; thus, a wall exists that I have to bust through. That is one big motivator for Aerobatic training, but not the only. All told, I just want to understand control inputs to make the plane do what I want it to do regardless of my orientation in the sky. Your assessment of your entire situation sounds completely normal to me in every respect. It's a healthy attitude, and as well a good summation based on sound principle. You're right. Power on stalls have a natural tendency to make newbies more nervous than power off. The nose attitude is generally higher, it's louder, (this is a factor BTW), the break is cleaner and more sudden, and the recovery can seem hurried to a newbie who is experiencing the recovery under stress. This can be partially addressed by allowing the aircraft to slow as the nose is raised to normal climb speed before climb power is applied. This will generally cause the break with a lower nose attitude which can show an immediate improving effect on a newbie. One thing that will definitely help you develop some added confidence doing power on stalls is in actively changing your attitude up front about them. Think about this for a second. You know what to expect, and you know the airplane will recover with normal recovery control application, so the only thing left that is contributing to your apprehension is the stall itself. Think for a moment what would happen if instead of getting that sudden adrenalin flow you have been experiencing as your system reacts as the stall breaks, you were instead mentally and physically AHEAD of the stall break and now EXPECTING it, and more importantly, WANTING IT! You have just changed your entire interface with the stall. When it happens, your system is waiting for it; you react as trained, and recover the airplane. The ingredient that has been added to your equation is simply EXPECTATION. You do several power on stalls in this frame of mind and I guarantee that you will not be apprehensive again when dealing with power on stalls. Just something to think about before you fly again :-)) -- Dudley Henriques I agree, lots of good stuff in this thread. I would (humbly) like to suggest that some of the apprehension of performing and dealing with stalls is due to the feeling that they must be corrected immediately and with minimal loss of altitude. At my request, my first two training flights were almost completely devoted to stalls and especially spins. By the end of the second lesson I was able to recover on a heading that my instructor requested after the full incipient stage of the spin had developed. We had lots of altitude and a stable spinning Super Cub which allowed me to experience that the fully developed spin was really quite stable and that I had the ability to stop it whenever I wanted even to the point of recovering on (=fairly close to) a desired heading. It allowed me time to look at the airspeed indicator and confirm that we were in a stall and not a spiral and to note that the VSI showed a relatively slow decent rate. I could also check the T&B to note the reported spin direction and to confirm that this was also what my eyes were telling me. It made me understand that I was always in control of the situation and helped me with spatial awareness and seemed to slow the experience down somewhat so that I had lots of time to internalize what was happening and what my eyes were seeing. Later in my training I was better able to enjoy and comprehend the demonstration and execution of the full range of accelerated stalls, and this gave me the confidence to perform and enjoy all these maneuvers while solo. I need to note that the above only applies to stable spinning aircraft and that one of the problems of learning in a more modern and therefore dumbed down aircraft like the C172 is that they will not spin long enough to really experience a stable fully developed spin and IMHE will spiral out of the spin far too quickly, and that is a flight condition that I do NOT suggest should be savored or not corrected immediately. Once a person is fully comfortable with the full regime of stalls and spins then stall demonstration and recovery on heading and with minimal loss of altitude is IMHE a much simpler exercise. I do not mean to suggest that I am in any way special, but only that I was fortunate to have had instructors who taught me that there was little to fear on the left side of the envelope. Happy landings, -- Dudley Henriques |
#25
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About Stall Psychology and Pilots
As much as I like the "dud" his post is the
most completely idiotic thing I had to read. On Feb 16, 12:10 pm, Dudley Henriques wrote: It's interesting to note that although stall recovery should be thought of as something done with a minimum loss of altitude, the emphasis on recovery should always be placed on the regaining of angle of attack as PRIME to recovery. NUTZ. You need airspeed, it's called kinetic energy that is needed to suck off, using the wings (you know, those little things that protude out the side of airplanes). I am one instructor who strongly believes that instructors should consider altering their approach to teaching stall to focus more strongly on recovering angle of attack than recovering in minimum altitude. See KIAS, Dud, you'd last 2 minutes in the RHS of my plane, after that you'd be lickin' pavement, from my shoe on your ass. Stalls entered at low altitude have many times resulted in secondary stall entry or a mushed recovery followed by ground impact by pilots who COULD have lowered the nose and held it down there a bit longer than they did, using the air under them to better advantage and giving themselves the needed time to regain angle of attack and smooth airflow as they attempted a recovery. But because they had been taught that ALTITUDE rather than AOA was the killer, they recovered trying to save altitude, when in reality what was needed was to USE THE AVAILABLE ALTITUDE CORRECTLY....and save the airplane. Toward this goal, I strongly encourage all CFI's to reference AOA in stall recovery. This doesn't mean INSTEAD of altitude, but it does mean that to recover the airplane, you absolutely HAVE to restore AOA, and at low altitude that might very well mean using available altitude to the last foot of air to do that. I have always taught stall recovery both with and without power. The FAA requires power. I want the student to see the difference and at the same time be able to stress that it's the ANGLE OF ATTACK that saves your butt. The strong lesson here is that you USE altitude......you don't try to minimize it at the expense of angle of attack. Dud, you're clueless, you have not a clue about KIAS, spiral dives or g-force recovery's. In short I see NO evidence you have even been in an airplane with your focus on AoA. I can get a good AoA at 10 KIAS or 200 KIAS, what are going to do? Regards Ken |
#26
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About Stall Psychology and Pilots
"Dudley Henriques" wrote in message ... It's interesting to note that although stall recovery should be thought of as something done with a minimum loss of altitude, the emphasis on recovery should always be placed on the regaining of angle of attack as PRIME to recovery. Agreed, I have always thought of myself as flying a wing to which is attached a fuselage rather than the reverse. I am one instructor who strongly believes that instructors should consider altering their approach to teaching stall to focus more strongly on recovering angle of attack than recovering in minimum altitude. Stalls entered at low altitude have many times resulted in secondary stall entry or a mushed recovery followed by ground impact by pilots who COULD have lowered the nose and held it down there a bit longer than they did, using the air under them to better advantage and giving themselves the needed time to regain angle of attack and smooth airflow as they attempted a recovery. But because they had been taught that ALTITUDE rather than AOA was the killer, they recovered trying to save altitude, when in reality what was needed was to USE THE AVAILABLE ALTITUDE CORRECTLY....and save the airplane. 'Flying requires airspeed, altidude and brains. A lack of one can be traded for an excess of another. Try not to run out of all three at the same time.' Toward this goal, I strongly encourage all CFI's to reference AOA in stall recovery. This doesn't mean INSTEAD of altitude, but it does mean that to recover the airplane, you absolutely HAVE to restore AOA, and at low altitude that might very well mean using available altitude to the last foot of air to do that. I have always taught stall recovery both with and without power. The FAA requires power. I want the student to see the difference and at the same time be able to stress that it's the ANGLE OF ATTACK that saves your butt. The strong lesson here is that you USE altitude......you don't try to minimize it at the expense of angle of attack. Sounds like you had a fine instructor. I was very fortunate to have had several good instructors and only a few not so good. The best of them were fully confident in the abilities of the aircraft and were not afraid to demonstrate the full range of aircraft behavior. IMHE it is easier to find good instructors at schools offering tailwheel. Here in Canada VFR instructors are licensed at 4 different levels plus 2 levels of acro instructor, (IIRC, IFR is an additional qualification on top of each of the VFR levels) (CPL is permitted to do some training of PPL level pilots.) IMHE hiring instructors with level 1 rating (required to train other instructors) results in finding much more experience and a much better learning experience, they usually cost a little bit more but it is minimal in the big picture of total training costs. The typical level 4 instructor is often referred to as a 231 hr wonder, as that is the minimum amount of time required to obtain this license. After my initial power lessons I did most of my training in sailplane gliders and there the only thing we have is AOA. Sailplanes spend a great deal of time scratching in minimal lift conditions flying just above the stall looking for the minimum sink rate. Adverse yaw is substantial and quick footwork is required to lift a dropping wing. The need to stay coordinated is helped by the yaw string but they are great for training ones feet. I found it relatively easy to transition back into powered tailwheel aircraft but it did take some time to add power management to the various recovery procedures. I experienced no reluctance from my gliding instructors to demonstrate or practice stalls or spins. Since all stalls are power off, they are quite gentle but spinning over the top while reclined in a full canopy glider gives a view of the action that a Cessna student can only imagine. Thermalling @60 deg bank and pulling a constant 2Gs while crosscontrolled is quite different from steep turns in a Cessna. I did experience much more variability in instructor ability and experience in sailplane training than I did in power. Happy landings, |
#27
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About Stall Psychology and Pilots
On Feb 15, 6:37 pm, Bertie the Bunyip wrote:
"Robert M. Gary" wrote in news:ebb74b75-9910-4c50-ae86- : On Feb 15, 3:56 pm, Dudley Henriques wrote: Bertie the Bunyip wrote: Dudley Henriques wrote in : Man there are a lot of posts on this topic. Too much newsgrouping, people need to do more flying When my airplane is finished! Bertie Watchu building? |
#28
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About Stall Psychology and Pilots
On Feb 15, 2:37 pm, WingFlaps wrote:
I see your point but I admit to being "uncomfortable" with advanced stalling manouvers. I can recover well within PTS when the wings let go but I don't like it. What runs in my mind is: Should I feel comfortable at the edge of control, and if I am comfortable will I be more likely to go where I should not? When I get onto my dream of aerobatics I'll let you know how my comfort zone extends. Here's half the battle: Realizing that the airplane is never out of control. It's only doing what we ask it to do. It will stall if we make it, it will unstall if we make it. It will spin if we ask it to and will stop spinning when we say so. Of course, the CG had better be within limits. The folks who get into trouble with stalls or spins are getting into them without knowing what happened, and why. They learned by rote and did not get an understanding and some experience with these things so they don't recognize the situations that lead to them, and they don't know the methods of control throughout. When I show students that the airplane does exactly what I demand of it, they lose their fear of all this. Dan |
#29
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About Stall Psychology and Pilots
On Feb 15, 9:54 pm, Bertie the Bunyip wrote:
wrote : On Feb 15, 9:06 pm, wrote: The ultimate answer to getting the quality level up in the GA pilot community will in my opinion require a whole new look at the way flight instruction is conducted. ... Dudley Henriques Obliquely related to the topic of comfort in the left hand curve of the flight envelope, some low speed F22 aerobatics: http://www.airventure.org/2008/news/080214_raptors.html What a ride that aircraft provides. Well, that thing looks after alpha for you. Bertie OH that's just great. Now I have to ask WTF 'alpha' is. ****. Thanks. ;-) Sew watt is it? |
#30
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About Stall Psychology and Pilots
"Ken S. Tucker" wrote in message ... As much as I like the "dud" his post is the most completely idiotic thing I had to read. On Feb 16, 12:10 pm, Dudley Henriques wrote: It's interesting to note that although stall recovery should be thought of as something done with a minimum loss of altitude, the emphasis on recovery should always be placed on the regaining of angle of attack as PRIME to recovery. NUTZ. You need airspeed, it's called kinetic energy that is needed to suck off, using the wings (you know, those little things that protude out the side of airplanes). I am one instructor who strongly believes that instructors should consider altering their approach to teaching stall to focus more strongly on recovering angle of attack than recovering in minimum altitude. See KIAS, Dud, you'd last 2 minutes in the RHS of my plane, after that you'd be lickin' pavement, from my shoe on your ass. Stalls entered at low altitude have many times resulted in secondary stall entry or a mushed recovery followed by ground impact by pilots who COULD have lowered the nose and held it down there a bit longer than they did, using the air under them to better advantage and giving themselves the needed time to regain angle of attack and smooth airflow as they attempted a recovery. But because they had been taught that ALTITUDE rather than AOA was the killer, they recovered trying to save altitude, when in reality what was needed was to USE THE AVAILABLE ALTITUDE CORRECTLY....and save the airplane. Toward this goal, I strongly encourage all CFI's to reference AOA in stall recovery. This doesn't mean INSTEAD of altitude, but it does mean that to recover the airplane, you absolutely HAVE to restore AOA, and at low altitude that might very well mean using available altitude to the last foot of air to do that. I have always taught stall recovery both with and without power. The FAA requires power. I want the student to see the difference and at the same time be able to stress that it's the ANGLE OF ATTACK that saves your butt. The strong lesson here is that you USE altitude......you don't try to minimize it at the expense of angle of attack. Dud, you're clueless, you have not a clue about KIAS, spiral dives or g-force recovery's. In short I see NO evidence you have even been in an airplane with your focus on AoA. I can get a good AoA at 10 KIAS or 200 KIAS, what are going to do? Regards Ken Ken, With respect, I think you must have missed my reply in another thread. I am enclosing it here for your convenience and consideration. "Private" wrote in message ... "Ken S. Tucker" wrote in message ... I was out paying taxes, to get some coin for the piggy bank, I shook it 3 times and still didn't hear any rattling, that's simple accounting to tell me when I'm broke, works every time! Ken Some here would suggest that you apply the same strategy to your head before posting. I am somewhat embarrassed to be entering this thread, but I just can't resist swinging at a soft pitch like that. Happy landings, To elaborate, my suggestion was that before posting you should give your head a shake to determine if there is anything inside and to consider whether you really wished to make the fact public. Happy landings, |
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