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#61
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Mechanics of Elevator Trim. In Detail.
On Jun 9, 10:28*pm, Tina wrote:
Lost and Found Found: To the village that has lost its idiot: we've found him. Ya, 'I'm building an airplane and want to know who the trim works. Also how do I weld it?' -Robert |
#62
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Mechanics of Elevator Trim. In Detail.
Hi,
In article , Le Chaud wrote: That's interesting. How do you see the trim tab fromm the cockpit? Umm...you move your head? On a PA28, the trim tab runs most of the length of the moving tailplane. Pull the yoke back with your left hand, look over your left shoulder and move the trim wheel through the extent of its travel with you right hand and watch what happens. I've been in Tomahawk and DA-20. I did preflight on DA-20, but didn't test trim. Then you didn't do the pre-flight correctly. Andy |
#64
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Mechanics of Elevator Trim. In Detail.
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#65
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Mechanics of Elevator Trim. In Detail.
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#66
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Mechanics of Elevator Trim. In Detail.
"Robert M. Gary" wrote in news:a70d185c-acc8-458f-8551-
: On Jun 8, 8:54*pm, Le Chaud Lapin wrote: Spent 30 minutes at pool yesterday discussing with professional metalworkers best way to weld a complex joint for important element of prototype of what would be considered a wing. When you go to look for commerical rated pilots to do the test flight please cross my name off the list. Hell, I don;t even want to be in the same hemispehre. Bertie |
#67
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Mechanics of Elevator Trim. In Detail.
Some students want the first approach, some may want the second - it's
probably 95% to 5%. If you assume they all want the more detailed explanation for everything, you will have frustrated students who either think that flying is too complicated for them to learn, or who quit because they are bored. When I took driver's ed in high school they didn't explain the inner workings of a carburetor, nor did they need to in order for me to be able to learn how to drive. Knowing how a carburetor works and having the ability to tear one down and put it back together again does not make me a better driver. You want to know every detail - fine. You just need to find an instructor who is willing and able to do that for you. As you know, not all of them are nor do they need to be in order to be able to teach you to fly and fly well. I suspect you dispute that fact, but history has already proven you wrong. "Le Chaud Lapin" wrote It is the instructor's choice to determine how deep s/he should delve into the mechanics of flight. One instructor might say, "Move trim wheel up or down to relieve pressure on yoke." Another might say, "Trim wheel is connected to a trim tab on elevator, often located on one side of elevator only, and air moving across elevator results in aerodynamic force vector on tab that acts on elevator to position elevator so that point of equilibrium is reached, and such force being sufficient that you no longer need the yoke to position the elevator. As you can imagine, speed and orientation of aircraft will have some effect on force...and therefore position of elevator. Also, if only one tab, force applies asymetrically to aircraft...etc." |
#68
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Mechanics of Elevator Trim. In Detail.
In article ,
Le Chaud Lapin wrote: So here the question would be whether it is possible to understand how a trim tab works without ever having flown an aircraft. I have flown in DA-20 and Tomahawk, but I do not think actual flight would have been necessary to understand how trim tab works. Knowing how a trim tab works isn't necessary for flying. The pilot needs to know is how to use trim. -- Bob Noel (goodness, please trim replies!!!) |
#69
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Mechanics of Elevator Trim. In Detail.
On Jun 10, 5:14*am, Bob Noel
wrote: In article , *Le Chaud Lapin wrote: So here the question would be whether it is possible to understand how a trim tab works without ever having flown an aircraft. I have flown in DA-20 and Tomahawk, but I do not think actual flight would have been necessary to understand how trim tab works. Knowing how a trim tab works isn't necessary for flying. *The pilot needs to know is how to use trim. It is not necessary to know how many things in aircraft work to be able to fly, but knowing how they work doesn't hurt. Otherwise companies like Jeppensen, FAA, etc, would not go through trouble of making all those pretty diagrams (and exams to go with). -Le Chaud Lapin- |
#70
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Mechanics of Elevator Trim. In Detail.
On Jun 10, 5:04*am, "BDS" wrote:
Some students want the first approach, some may want the second - it's probably 95% to 5%. *If you assume they all want the more detailed explanation for everything, you will have frustrated students who either think that flying is too complicated for them to learn, or who quit because they are bored. There were two extreme examples in my ground school (but not in my class). One had failed written once already, and they other said one day, "Forget learning...if you want to pass the exam, this is best tool you can use: gave me link to web site. It has most of the questions in easy-to-memorize format." I asked them why not just learn what they need to know, at least enough to get a 70...and they both frowned as if I has asked them to learn to change diapers. When I took driver's ed in high school they didn't explain the inner workings of a carburetor, nor did they need to in order for me to be able to learn how to drive. *Knowing how a carburetor works and having the ability to tear one down and put it back together again does not make me a better driver. True. I wouldn't expect explanation of GPS in ground school, or Pascal's principle, etc, but which many situations like this, it doesn't hurt to know. You want to know every detail - fine. *You just need to find an instructor who is willing and able to do that for you. *As you know, not all of them are nor do they need to be in order to be able to teach you to fly and fly well. *I suspect you dispute that fact, but history has already proven you wrong. No, I do not dispute this. I have learned that flying is like many other things. It is very possible to get by using mostly manipulation of that which is presented to you. -Le Chaud Lapin- |
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