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"Ken ****head Tucker" wrote in
: FWIW, I definitely agree, I'm talking about hitting pavement. It's the ground-effect that can keep the plane floating, that is a mysterious effect (not really well understood) that does happen at landings, but can be used to advantage, if you're not a *fraidy cat*. Once the rolling air from ground effect is achieved, a new dynamic is effective. Of course that "rolling air" needs AoA to be maintained, so nudging forward kills the "ground effect" and you're very near a 3 point landing. Maybe you guys want to analyse "ground effect lift". Ken YOU don't know **** from Shineola when it comes to ground effect. |
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Benjamin Dover writes:
YOU don't know **** from Shineola when it comes to ground effect. Since neither has anything to do with ground effect, why would that be a problem? |
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Mxsmanic wrote in
: Benjamin Dover writes: YOU don't know **** from Shineola when it comes to ground effect. Since neither has anything to do with ground effect, why would that be a problem? You'll never fly so you'll never know. Bertie |
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Mxsmanic wrote:
Benjamin Dover writes: YOU don't know **** from Shineola when it comes to ground effect. Since neither has anything to do with ground effect, why would that be a problem? My god you are ignorant. -- Jim Pennino Remove .spam.sux to reply. |
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Hi,
In article , wrote: Benjamin Dover writes: YOU don't know **** from Shineola when it comes to ground effect. Since neither has anything to do with ground effect, why would that be a problem? To coin a phrase: "Good grief" Andy |
#6
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"Ken S. Tucker" wrote in
: On Feb 22, 10:20 am, "gatt" wrote: "Ken S. Tucker" wrote in messagenews:1d524c70-22a0-483c-9b1f-c9c179fb6815 @e10g2000prf.googlegro ups.com... Yangooooo.....listen.... Then nudge yoke foward. If the landing is super Why would you have to "nudge" the yoke forward unless you're carrying too much airspeed? In a proper Cessna 152 landing, you're pulling the yoke back as you bleed off airspeed in order to ease the nosewheel down. There's no forward nudging. The nose is going to come down eventually no matter what. Previously you wrote: At the moment before touch-down push the yoke easy forward and I do a 3 point landing That puts undue stress on the nosewheel, especially in a soft-terrain environment. Published procedure is to hold the nosewheel off for as long as possible (which is done by pulling back on the yoke) and ease it to the ground as gently as possible. FWIW, I definitely agree, FWIW? That'd be the value of the dust bunnies under my couch and the dog's worn out chewie frog, I beleive. I'm talking about hitting pavement. Hey, you must be a reeeeel pile-it iffin you can talk lke that! It's the ground-effect that can keep the plane floating, that is a mysterious effect (not really well understood) Hey, the whole world is one big mystery to you Kennie! But wait, if you understand how to land a Starfighter on a carrier, then you must understand ground effect. that does happen at landings, but can be used to advantage, if you're not a *fraidy cat*. Once the rolling air from ground effect is achieved, a new dynamic is effective. Of course that "rolling air" needs AoA to be maintained, so nudging forward kills the "ground effect" and you're very near a 3 point landing. Maybe you guys want to analyse "ground effect lift". I can think of several things that the Mounties should be analysing right about now. Bertie |
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On Feb 22, 2:35 pm, "Ken S. Tucker" wrote:
FWIW, I definitely agree, I'm talking about hitting pavement. It's the ground-effect that can keep the plane floating, that is a mysterious effect (not really well understood) that does happen at landings, but can be used to advantage, if you're not a *fraidy cat*. Once the rolling air from ground effect is achieved, a new dynamic is effective. Of course that "rolling air" needs AoA to be maintained, so nudging forward kills the "ground effect" and you're very near a 3 point landing. Maybe you guys want to analyse "ground effect lift". Ken Ground effect is not a mystery to those who have taken groundschools and have licenses. It's mystery to simulated "pilots." Ground effect was well understood by aerodynamicists a long time ago, and it's been explained in the textbooks since then. Lowering the nose just before touchdown just reduces AOA so that the airplane thumps onto the runway. It's not going to squeak on. It's sloppy and stupid and damages things. Dan |
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#9
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On Fri, 22 Feb 2008 13:35:58 -0800 (PST), "Ken S. Tucker"
wrote: Once the rolling air from ground effect is achieved, a new dynamic is effective. Of course that "rolling air" needs AoA to be maintained, so nudging forward kills the "ground effect" and you're very near a 3 point landing. Maybe you guys want to analyse "ground effect lift". Ken If the wing is still flying in ground effect it's not going to quit just because some one lowered the nose. Yes, you can plant the nose gear on, but the wing will continue to fly which can be a bit inconvenient as well as disconcerting and uncomfortable. Ever see an airplane trying to do an imitation of a wheelbarrow? Just think of that tiny little nose gear supporting (and directing) the entire airplane's weight plus the extra downward force from prematurely lowering the nose (forcing it on). As the nose gear is usually coupled to the rudder it *may* not be going in the same direction the airplane is. I saw a *loaded* Aztec roll the tire right off the rim doing that, with *most* of the "North 40" watching. Fortunately the rim and tire survived, as did the twin and it only took a new inner tube and a bit of elbow grease to get it ready to fly out that evening. No, I wasn't flying it, but I was in charge of the group coming in on it which was a bit hard on the blood pressure. Roger Halstead (K8RI & ARRL life member) (N833R, S# CD-2 Worlds oldest Debonair) www.rogerhalstead.com |
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