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PostPosted: 26 Nov 2005, 23:11 
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was thinking about the f-22 that lost an engine to sucking something. Questiong because of the design of the a-10 engine isnt to more forgiving of ingestion debris than most modern fighters.


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PostPosted: 27 Nov 2005, 03:48 
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Matt,

The A-10 is very resilient when it comes to the potential of FOD due to the engines being place up so high. However they do get damaged. I have seen jets come back Code 1 from their flight only to find large pieces of the fan blades missing during the Post Flight inspection. So yes, I would have to say it is more forgiving to a certain extent.


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PostPosted: 27 Nov 2005, 05:55 
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If you're talking about the High Bypass design I'd have to say yes. Only a small amount of air goes into the compressor section. The intake area for the compressor in no where near as large as the fan intake. On jets like the 15,16,& 22 they suck as much air as possible into the compressor, and if anything goes down the pipe it usually goes into the compressor causing a failure.

Correct me if I'm worng guys. It's been a while.

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PostPosted: 27 Nov 2005, 09:05 
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They suck a much larger amount into the compressor but they do have bypass as well (part of the turbofan design). Anytime you place the intake closer to the ground you will have problems with FOD. As lilhitler said the A-10 is not immune to this, I have seen many a FOD'd engine from panel fasteners etc. I have even seen one fod'd from a coyote!

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PostPosted: 27 Nov 2005, 14:16 
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Geez, I've heard of bird strikes, but coyote strikes? Yeesh! <img src=icon_smile_blackeye.gif border=0 align=middle>

Hokey religions and ancient weapons are no match for a GAU-8A at your side, kid...--Hawg Solo

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PostPosted: 27 Nov 2005, 14:28 
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......and the coyote strike was on an A-10!

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PostPosted: 27 Nov 2005, 15:05 
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I think we had a coyote strike at night a few years back. Details to follow.

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PostPosted: 27 Nov 2005, 23:05 
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Details? How about pics?? Preferably damage-to-the-coyote pics, not just warthog damage....<img src=newicons/bounce.gif border=0 align=middle> <img src=newicons/anim_puke.gif border=0 align=middle>

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PostPosted: 28 Nov 2005, 08:32 
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I remember an A-10 at Myrtle Beach eating a seat cover. Seems the cover was folded and left behind the seat. Pilot was taxing to EOR with the canopy open and the cover was dislodged from its resting place and went straight down one of the motors. Best I can remember, one of you old MB crew dogs help me out, it didnt really damage anything. Borescope revealed no damage internally and the blades were fine.

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and I hadn't even the courtesy to thank her".
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PostPosted: 28 Nov 2005, 09:31 
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I wonder if the F-22 could withstand a single engine failure since both engines are part of the flight controls. Glad we don't have to contend with those kind of write ups.


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PostPosted: 28 Nov 2005, 13:22 
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The flight controls on the F/A-22 wont care that one of the engines are out. There will no degradation of the flight control system. They have a pretty well thought out system.

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PostPosted: 28 Nov 2005, 14:49 
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Cool Deal, was just wondering about adding vectored thrust to the equation of an engine failure. Thx M&M


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PostPosted: 28 Nov 2005, 14:57 
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Ah I see what you were getting at with the vectored thrust. With an engine out he wont be looking for any high degree of manueverability. It will an IFE and more than likely a straight in appraoch.

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 Post subject:
PostPosted: 29 Nov 2005, 17:11 
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Yeah we had a coyote strike in 96. 78-632 hit and split a coyote taking off on a night sortie. No pics available.......sorry.

"By this time tomorrow I shall have gained either a peerage or Westminster Abbey !" Nelson the Immortal Memory

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PostPosted: 29 Nov 2005, 19:00 
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Engine FOD'ed out,let see now, How about the "Plugs" for the panels?
We had one sucked down in a Blacktail coming home from a Hurria-vac,
(Ray-boy) knows the CrewChief, he also was the Cover of Airman Magazine that month <img src=newicons/anim_lol.gif border=0 align=middle>(Good Guy though We fought alot but he was a good crewchief)
Mallard Duck,Blue Herrion, Raccon,Turkey Vultures,Candain Goose,Flight Glove and various other crap.

Did have a Jet that had a Fan Blade brake off and they all went out the Cowl door then The whole Fan assy. Broke-up off the shaft and "LEFT" the engine and Jet.
They found it over the old range,the retaining bolt on the shaft failed and Bye Bye.

But those engines can take it,found alot of broken blades,I even had a rear turbine blade brake off and the dam "TEMS" COMPUTER found it. We looked and looked why we kept getting a Code3 HIt and we found it melted to the inside of the exhaust pipe

Not including the Battle DAMAGE those engines could take.

No other jet could withstand alot of that kind of FOD and still run.

Goose

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 Post subject:
PostPosted: 29 Nov 2005, 19:28 
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The C-130 is pretty tough too. I would compare it engine-wise to the A-10. I remember one at Pope the engine FELL OFF. It FELL the FUCK OFF during flight after catching fire, and it IFE'd to the Fayetteville airport. This happened the same week a helicopter from Ft. Bragg crashed and a canopy off of one of our jets flew off during flight. I think they blamed the canopy on the seal exploding.


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 Post subject:
PostPosted: 30 Nov 2005, 08:25 
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Its really amazing sometimes what an engine can and cant do.
I was flying back from the PI in 6-84 with the "GREEN LIZARD"
(MY ET-39A) and we started get little "Bumps" in #2 engine,not enough to really show anything but you felt it.
Those were J-60 engines at that time on the Saberliners.

Got home to Yokota Japan noticed 5 intake rivets gone.
Now rivets came off all the time and all you did was a engine inspectine for "Damage and fod."
Several blades were bad so we did a more indepth look at it

Looked over the inlet and part of it just "Pushed in"<img src=newicons/anim_shock.gif border=0 align=middle>
Scared me.
Just a very small patch.
Called engine shop <Boy if that dont date you) over in FMS they came out and took down the engine and the Inlet and the whole inside under the collar was just shot! rust and corroison every where.
The inlet had been on the jet since it was in Japan that was 1979,and that was part of Paint Shops inspection at Phase Dock.
They just kept putting paint on it,never peeled back the skin to check the Bracing

So that was my only other Engine "War story" I had on the J-60's

Took out 3 blades and the inlet was Condemed and sent to Engine school for display

Goose

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 Post subject:
PostPosted: 01 Dec 2005, 10:49 
Hey all,
I've been to this site many times but finally decided to join and add my 2 cents worth. I used to work TF34 logistics at Kelly AFB so am very familiar with the A-10. Just wanted to say that when I went to the engine accident investigation school the instructor told a story about a C-141 that had an engine FOD caused by a horse. I don't recall where it happened, maybe the PI, but it seems that the local cops patrolled the base on horseback. Well, one day one of the cops was patrolling and had to take a leak. He dismounted near the active runway and was doing his thing when a C-141 was taking off. Apparently the noise from the engines scared the hell out of the horse and it ran right onto the runway and got sucked into the #4 engine. Pretty weird story but hey, it made me laugh.


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 Post subject:
PostPosted: 01 Dec 2005, 11:17 
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Damn, not that's got to be the biggest mess ever.
Welcome to the forum.


They say that the only two things certain in life are death and taxes. I prefer them in that order.


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 Post subject:
PostPosted: 02 Dec 2005, 15:39 
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Joined: 27 May 2003, 18:48
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Location: Still fighting the indians in Western Massachusetts
Yeah that would suck pretty bad. If I was the crew chief and goose was my assistant (sorry Goose) I'd be like "hey Goose grab a sponge and bucket. Clean that shit up !"

"By this time tomorrow I shall have gained either a peerage or Westminster Abbey !" Nelson the Immortal Memory

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 Post subject:
PostPosted: 02 Dec 2005, 18:20 
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OH Billy,

It better of happened in the PI, because you would have to get me "PLASTERED" to clean that crap up!
Back then about $5.00 then pay the locals to clean it up while we go to the "Nepa Hut" or "Fire Empire" Did I get it right Dice?
I was only there TDY off and on.

Goose


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