tag:blogger.com,1999:blog-6055491912637469469.post2325692518238765117..comments2024-03-23T06:17:06.909-04:00Comments on Real and Simulated Wars: Bouncy Landings - Yes, it's an angle of attack problem!JChttp://www.blogger.com/profile/00770262108283393835noreply@blogger.comBlogger9125tag:blogger.com,1999:blog-6055491912637469469.post-35543292616535825872011-05-31T21:49:22.081-04:002011-05-31T21:49:22.081-04:00Hi,
Thanks for your comments.
I read you guys and ...Hi,<br />Thanks for your comments.<br />I read you guys and get this feeling that we are talking about the same thing ... just with different words.<br />:)<br />Cheers,JChttps://www.blogger.com/profile/00770262108283393835noreply@blogger.comtag:blogger.com,1999:blog-6055491912637469469.post-50769649365916446872011-05-20T01:46:40.330-04:002011-05-20T01:46:40.330-04:00-Fernet Branca con coca uhh muy bueno.
-Estaba pe...-Fernet Branca con coca uhh muy bueno.<br /><br />-Estaba pensando el tema y puede ser "porpoising", un par de paginas pueden explicarlo mejor que yo, pero he visto varios accidentes por aquel motivo.<br /><br />-I was thinking about the subtjet, maybe is a porpoising is kinda difficult to me explain it but i saw several accidents as a result of the porpoising, only the pilots pride was harmed.<br /><br />http://www.pilotoutlook.com/airplane_flying/porpoising<br /><br />http://www.aerospaceweb.org/question/dynamics/q0233b.shtmlJaviernoreply@blogger.comtag:blogger.com,1999:blog-6055491912637469469.post-71614343742936231312011-05-17T09:21:36.861-04:002011-05-17T09:21:36.861-04:00But it isn't just about AOA - the angle of rep...But it isn't just about AOA - the angle of repose is higher than the normal landing attitude (if only by a little - bad practice to land on the tail-wheel, three point is the steepest usable incidence).<br /><br />What makes a bounce is that this AOA is only suitable for a certain energy level (or below), and excessive speed, plus in the first landing dumping the excess height are what allows any form of bounce at all. <br /><br />(A football dropped from 6 feet might bounce up 4-5 feet - but once placed carefully onto the ground won't bounce as it has no energy to convert back into height).Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6055491912637469469.post-74247172300358221182011-05-16T22:10:34.731-04:002011-05-16T22:10:34.731-04:00Hola Javier,
Gracias por tu respuesta. Entiendo l...Hola Javier,<br /><br />Gracias por tu respuesta. Entiendo lo que me dicen vos y anonymous. Estoy de acuerdo en que practicamente empuje la aeronave hacia la pista. Pero insisto que el golpe levanta la nariz aumentando el angulo de ataque y consecuentemente incrementando el "lift".<br /><br />No me trates de Ud. que no soy tan viejo. Reconozco que siendo de Cordoba tengo mas de un fernet en mi legajo. :)<br /><br />Un abrazo,<br /><br />JCJChttps://www.blogger.com/profile/00770262108283393835noreply@blogger.comtag:blogger.com,1999:blog-6055491912637469469.post-4167398257378147122011-05-16T18:35:52.957-04:002011-05-16T18:35:52.957-04:00-Posiblemente el efecto tierra sea el causante, pe...-Posiblemente el efecto tierra sea el causante, pero no creo que en IL-2 este modelado, me sumo a lo que dijo Anonymous es un tema de falta de quiebre de planeo y dejar que el avion se siente solo, si uno hace una transicion progresiva es capaz de lograr una "sentada" sin rebote.<br /><br />-Saludos, escribi en español porque entiendo que Ud. vivio en Argentina, buen fernet.<br /><br />-Javier B.Javiernoreply@blogger.comtag:blogger.com,1999:blog-6055491912637469469.post-45564880366412246602011-05-15T20:24:32.992-04:002011-05-15T20:24:32.992-04:00Hi Jomni,
Me too!
Anonymous,
Almost all you wro...Hi Jomni,<br /><br />Me too!<br /><br />Anonymous,<br /><br />Almost all you wrote doesn't add to the point to the video (why the aircraft bounced, from the lift point of view).<br /><br />Cheers,JChttps://www.blogger.com/profile/00770262108283393835noreply@blogger.comtag:blogger.com,1999:blog-6055491912637469469.post-25458162286117840342011-05-15T20:14:50.567-04:002011-05-15T20:14:50.567-04:00This comment has been removed by the author.JChttps://www.blogger.com/profile/00770262108283393835noreply@blogger.comtag:blogger.com,1999:blog-6055491912637469469.post-36755524993246620442011-05-15T18:26:43.493-04:002011-05-15T18:26:43.493-04:00Nah, you bounced because you tried to force it dow...Nah, you bounced because you tried to force it down before it was ready to land - the nose pointed down to lose the excess height.<br /><br />You were still at approach speed, and didn't flare - levelling the flight path with the wheels about 6" above the ground. The aircraft is then held off the ground until it settles in the ground attitude the last bit.<br /><br />Quite probably you are rounding out too high as well, with a progressive pull, the flare should end with the aircraft parallel to the ground but only 6" to 1' above the ground - a common error is to be 'ready' to land while still 6' to 20' above the ground, or even higher.<br /><br />Try flying a slower, flatter aproach, but carrying a bit more power until over the threshold, if engine failure is no risk, or finding your engine-off (or idle) glide approach that gives you a 'dead' airframe within about 5 seconds of flaring. Endless 'floating' is a symptom of too much energy, either too high, or too fast.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6055491912637469469.post-1259020871793299832011-05-15T01:50:57.681-04:002011-05-15T01:50:57.681-04:00That's why I hate tail draggers. :)That's why I hate tail draggers. :)Anonymoushttps://www.blogger.com/profile/06994348090945988216noreply@blogger.com