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| A-10 wing question https://warthogterritory.net/forum/viewtopic.php?f=3&t=10059 |
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| Author: | Dice-man [ 30 Dec 2005, 07:18 ] |
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Simple question, why does the outer-wings angle up? Ugly But Well Hung |
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| Author: | Goob [ 30 Dec 2005, 09:39 ] |
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Same reason the F4s did to fix a stability problem stemming from poor design work(EASY FIX).But hell it was done with a fricken slid rule. live to wrench,wrench to live and 727's do truly suck |
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| Author: | TheBigThug [ 30 Dec 2005, 10:22 ] |
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Dehydral It allows the aircraft to balance out in the airflow (self righting) also helps in coordinated turns requiring Less Rudder and rudder trim as it allows the lift Generated To Go Down and Outward at an angle toward the 3-9 line of the wing (if this makes Sense). This also helps in decreasing hte tendency of stalls due to the Chord taper Profile from Inboard to outboard of the wings. "The greatest pleasure is to vanquish your enemies, to chase them before you, to rob them of their wealth, to see their near and dear bathed in tears, to ride their horses and sleep on the white bellies of their wives and daughters." -Genghis Khan Edited by - thebigthug on Dec 30 2005 09:23 AM |
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| Author: | Mister A10 [ 30 Dec 2005, 11:52 ] |
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...because it's even uglier if they droop down. |
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| Author: | TheBigThug [ 30 Dec 2005, 12:33 ] |
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like your libedo, be sure to take an Extra Large glass of water with your Viagra. Would hate to see you get a stiff neck with all the rubber necking and abuse you will get from us Knuckleheads! <img src=icon_smile_clown.gif border=0 align=middle> <BLOCKQUOTE id=quote><font size=1 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote> ...because it's even uglier if they droop down. <hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face="Verdana, Arial, Helvetica" size=2 id=quote> "The greatest pleasure is to vanquish your enemies, to chase them before you, to rob them of their wealth, to see their near and dear bathed in tears, to ride their horses and sleep on the white bellies of their wives and daughters." -Genghis Khan |
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| Author: | TheBigThug [ 30 Dec 2005, 12:37 ] |
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The Phantoms had it do to the Carrier take off and recovery operations at Those speeds. The Phantom did not have the Wing Area to support a slow speed handling region Needed in carrier operations. Rudder imput would cause a snap roll. If you look at most slow speed aircraft, Cessnas, Agriculture Low wing Aircraft and so forth you can see why this design was so critical for increasing stability in slow flight regimes. <BLOCKQUOTE id=quote><font size=1 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote> Same reason the F4s did to fix a stability problem stemming from poor design work(EASY FIX).But hell it was done with a fricken slid rule. live to wrench,wrench to live and 727's do truly suck <hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face="Verdana, Arial, Helvetica" size=2 id=quote> "The greatest pleasure is to vanquish your enemies, to chase them before you, to rob them of their wealth, to see their near and dear bathed in tears, to ride their horses and sleep on the white bellies of their wives and daughters." -Genghis Khan |
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| Author: | Mister A10 [ 30 Dec 2005, 22:51 ] |
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Thanks Thug, but I steer away from the Viagra after everything started to take on a blue tint. Now that I've cleansed the system, I realize I didn't need the pill to get it up. Heck, I can't even roll over in bed without thinking I've got a kick stand! |
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| Author: | Dice-man [ 31 Dec 2005, 07:59 ] |
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Thanks Goob and Thug, kinda' what I thought. MR. A-10 I would like to see more out of you than a short (and uninspired) responce to a question, a three year old wallpaper, and a battle damage shot off the net...where is all those "unpublished" pictures and "stuff" you have?? <img src=newicons/idea.gif border=0 align=middle> Ugly But Well Hung |
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| Author: | Mister A10 [ 31 Dec 2005, 15:17 ] |
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I posted some of my stuff. The rest is packed in boxes since I moved out of my house last week. I'm staying with my son Eric's family until they move in March. He's helping me set up a website and take pictures. I managed to find the dual canopy A-10 model in one of the easy boxes to get my hands on. Anything in particular you'd like me to work on first? I've got time and cold beer to do whatever. |
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| Author: | Dice-man [ 31 Dec 2005, 16:06 ] |
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Mister A-10, if you have any art related (door or nose) images that's my passion. If not anything from the eary days would be of interested to the members of the forums. Also do you know if they have ever got the YA-10 at Langly refurbished? Ugly But Well Hung |
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| Author: | Bacon Bits [ 01 Jan 2006, 06:42 ] |
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Good question Dice. Am I right in thinking that the Hog's 'Hoerner' wingtips improve the stability of the aircraft amongst other things? I saw some Cessna 150's in Florida with added Hoerner wingtips. Happy New Year. Edited by - Bacon Bits on Jan 01 2006 05:42 AM |
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| Author: | Coach [ 01 Jan 2006, 15:46 ] |
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The YA-10 at Langley is still green with Flying Tiger teeth, parked on the Aero Club ramp. I told the Aero Club I would be glad to take it up for a test hop if they would let me. It looks pretty sad, but my dream is to one day see it beside the F-15, F-16, F-86 and F-105 in its rightful place along side other great (three out of four) combat fighters in Langley's air park. Coach |
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| Author: | Dice-man [ 01 Jan 2006, 17:22 ] |
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<BLOCKQUOTE id=quote><font size=1 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote> The YA-10 at Langley is still green with Flying Tiger teeth, parked on the Aero Club ramp. I told the Aero Club I would be glad to take it up for a test hop if they would let me. It looks pretty sad, but my dream is to one day see it beside the F-15, F-16, F-86 and F-105 in its rightful place along side other great (three out of four) combat fighters in Langley's air park. Coach <hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face="Verdana, Arial, Helvetica" size=2 id=quote> Thanks for the info Coach, looks like it will be a while before they do anything with it. I would also like to see it in the airpark but, the one thing I "hate" about the park is the gray color of all the aircraft. I can understand not wanting to put any unit markings on them but, at least they could paint them in some type of "combat colors". Ugly But Well Hung |
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| Author: | Coach [ 01 Jan 2006, 17:25 ] |
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I agree 100%, Dice. I curse under my breath every time I look at the F-105 and F-86 in their primer grey paint. It is disrespectful to their great combat legacy. Coach |
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| Author: | fenderstrat72 [ 01 Jan 2006, 18:52 ] |
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Dice since you were asking about some old aircraft I have a question for you? At Shaw we had two A-10's that did not fly at all. One was in load barn and the other was at the hush house (ABDR?). Do you remember or know the tail numbers of these two jets? I should know because I loaded the one in the barn every month and made many midnight raids for plyon parts off of the other. Fender "A woman drove me to drink and I hadn't even the courtesy to thank her". W.C. Fields |
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| Author: | a10stress [ 03 Jan 2006, 07:41 ] |
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<BLOCKQUOTE id=quote><font size=1 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote> Same reason the F4s did to fix a stability problem stemming from poor design work(EASY FIX). <hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face="Verdana, Arial, Helvetica" size=2 id=quote> To "fix a stability problem" implies that it was added after the jet was designed. That is the wrong impression. This feature was there from the first three-view drawing. Low wing aircraft need a combination of sweep or dihedral to achieve acceptable lateral/directional handling qualities. The same aerodynamic effect can be had by putting roughly half the angle of dihedral on the whole wing, that is, tilt it up starting from the centerline. That would require a heavy joint at the maximum wing bending point, as well as complicate other structural geometric features in the fuselage, pylons and landing gear. In keeping with the simplification theme, it was decided right away to sacrifice aesthetics for practicality. So it looks like a desperate quick fix, but it isn't. <BLOCKQUOTE id=quote><font size=1 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote>But hell it was done with a fricken slid rule.<hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face="Verdana, Arial, Helvetica" size=2 id=quote> Wait a minute. I think we had digital DATCOM, IBM-360's and HP-45's to noodle with. Maybe they did the prototype with slide rules, but they were gone in 1973 for the production design. I can recall some "finite element" dynamics stuff going out of house to use the commercial CDC machines. They were state of the art at the time for scientific work. We used the good stuff when we needed it. Ninety percent of the game is half mental. |
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| Author: | a10stress [ 06 Jan 2006, 07:00 ] |
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<BLOCKQUOTE id=quote><font size=1 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote> Am I right in thinking that the Hog's 'Hoerner' wingtips improve the stability of the aircraft amongst other things? <hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face="Verdana, Arial, Helvetica" size=2 id=quote> The drooped tips are an induced drag (drag due to lift) reduction device, equivalent to a span increase. The more g's you pull, the more drag reduction. It seems to be a good trade with span increase because hardly any wetted area is added that would add back some parasitic drag. Winglets have a similar induced drag effect but they also have a handling qualities impact that could be destabilizing. Maybe winglets don't even work on a straight wing airplane. I've never seen them applied there. I saw and had an opportunity to save the with/without drooped tips wind tunnel data but blew it. My memory may be faulty, but I believe that they were effective and not a marketing gimmick. Pretty much every odd detail on the A-10 ( or any airplane for that matter) has a function. That's what makes them facinating. Ninety percent of the game is half mental. |
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| Author: | Old Chief [ 06 Jan 2006, 13:34 ] |
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Stess, the only straight winged aircraft I ever saw with winglets was the Navajo Panther, an aftermarket mod involving 4 blade Q-tip props and ZipTip winglets. I guess it works, they advertise improved short field performance, lower stall speeds and better handling in turns and turbulence. OC |
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