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![]() "Ken S. Tucker" wrote: the magnetic compass can operate as an artificial horizon too, because it's like a plumb-bob. Good gawd. There truly must be no saturation limit for cluelessness. -- Dan "Did you just have a stroke and not tell me?" - Jiminy Glick |
#2
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On May 19, 8:43 pm, "Ken S. Tucker" wrote:
That isn't possible. Sure it is. As long as you're not accelerating, which is something that can be sensed by audio RPM , the magnetic compass can operate as an artificial horizon too, because it's like a plumb-bob. It's of course, independant of operating systems. You haven't flown, really, have you? If you had, you'd know that the compass, being suspended from a pivot, is kept upright by gravity, just like the ball in the turn coordinator stays in the bottom of its tube by gravity. However, in a coordinated turn, the TC's ball stays centered and the compass's card stays level with the airplane's wings, not with the horizon. If it did we wouldn't need to spend $900 on an attitude indicator; we could use the ball and compass. The compass reads all haywire during turns, too, not just during acceleration. You can't use it to roll out on a heading. Timed turns are for that. Both you and Mx would be awful surprised the first time you flew under the hood or in IMC. Vertigo, or what we call "crookedhead" around here, would get you big time in no time. It surprises all new guys, especially guys who "have it all figured out" and are trying to teach the teachers. They come home with their tails between their legs, same as the know-it-all trike pilot who has just had his first taildragger experience. Dan |
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Mxsmanic wrote in
: You think it terms of tiny airplanes. You can drive instruments in other ways besides with vacuum. Your problem is that you have a tiny brain. More like a micro brain. |
#4
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Mxsmanic wrote:
gatt writes: Once again you're totally clueless. Your Directional Gyro is vacuum driven. If you only needed electric instruments to fly, your primary instruments wouldn't be pitot-static. If you have an electrical problem, bus failure or inflight fire, you might lose all your electrical instruments. You think it terms of tiny airplanes. Bertie doesn't, and he agrees with me: You're clueless. -c |
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