Author Topic: grounded all US F15S's  (Read 1054 times)

Offline boxboy28

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grounded all US F15S's
« on: November 06, 2007, 11:16:48 PM »
just wondering if anyone else heard of this or has anymore knowledge about the issues.

http://www.boston.com/news/nation/washington/articles/2007/11/06/air_force_grounds_entire_fleet_of_f_15s/
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Offline Heater

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grounded all US F15S's
« Reply #1 on: November 07, 2007, 06:18:19 AM »
Here is a bit more information on this:

http://www.af.mil/news/story.asp?id=123074547
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Offline Scatcat

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grounded all US F15S's
« Reply #2 on: November 07, 2007, 07:21:13 AM »
ya, kinda sux.  The Eagle E model demo was cancelled at Randolph AFB this past Sunday because of the grounding. :(

Offline AquaShrimp

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grounded all US F15S's
« Reply #3 on: November 07, 2007, 08:01:29 AM »
You'd never hear of an F-16 breaking up in flight.  Of course, the F-15 wasn't designed as a 9-g fighter.  It was originally a 7.5g plane that at the last moment they tried to convert into a real fighter.  Well at least we still have our F16 fleet to keep us safe.

storch

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« Reply #4 on: November 07, 2007, 08:32:23 AM »
Quote
Originally posted by AquaShrimp
You'd never hear of an F-16 breaking up in flight.  Of course, the F-15 wasn't designed as a 9-g fighter.  It was originally a 7.5g plane that at the last moment they tried to convert into a real fighter.  Well at least we still have our F16 fleet to keep us safe.
ya you have you just may not remember

Offline Speed55

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grounded all US F15S's
« Reply #5 on: November 07, 2007, 08:58:53 AM »
Quote
The F-15 that crashed Friday was 27 years old.
- From the article.  

That many years of stress on parts, and something is bound to break eventually.
Hopefully from this, they can examine what part(s) in the structure failed and make adjustments.
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Offline Gunslinger

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« Reply #6 on: November 07, 2007, 09:44:18 AM »
Quote
Originally posted by Speed55
- From the article.  

That many years of stress on parts, and something is bound to break eventually.
Hopefully from this, they can examine what part(s) in the structure failed and make adjustments.


If it was made in 1980 it was probably close to retirement.  We tend to not flight jet fighters that long for this specific reason.

Offline AquaShrimp

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« Reply #7 on: November 07, 2007, 10:00:57 AM »
Quote
Originally posted by storch
ya you have you just may not remember


I just did a search, I couldn't find anything about airframe fatigue causing an F-16 crash.

storch

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« Reply #8 on: November 07, 2007, 10:15:34 AM »
I'll find the incidents but IIRC they occurred at homestead AFB something about fatigue in the wing roots, two crashes two fatalities.  I don't recall if the F16s were grounded though.

Offline Tiger

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grounded all US F15S's
« Reply #9 on: November 07, 2007, 03:51:59 PM »
the 15 that crashed seperated the cockpit area from the rest of the aircraft if I read it correctly.  Let me see if I can find where I read that at.

And it was a 27 year old plane... how many people have a car that was made in 1980 that still runs?

Offline Shifty

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« Reply #10 on: November 07, 2007, 05:29:42 PM »
Quote
Originally posted by AquaShrimp
I just did a search, I couldn't find anything about airframe fatigue causing an F-16 crash.


Give em time.

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Offline eagl

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« Reply #11 on: November 07, 2007, 05:53:52 PM »
Quote
Originally posted by AquaShrimp
You'd never hear of an F-16 breaking up in flight.  Of course, the F-15 wasn't designed as a 9-g fighter.  It was originally a 7.5g plane that at the last moment they tried to convert into a real fighter.  Well at least we still have our F16 fleet to keep us safe.


Hah...  Funny.  BS, but funny.

The last set of F-16s that fell out of the sky... A batch of bad welds in the afterburners caused the AB section to literally fall off the plane.  Since it's a single engine piece of..., losing one AB section means the plane fall down go boom.  

They lost a few F-16 from this before they grounded the fleet and returned a few dozen megabucks worth of engine parts to the manufacturer.

The F-15 can lose one of pretty much anything and can usually still fly home.

The F-15... What, one inflight breakup in 30 years or so?  Big whoopdee do.

Oh yea, the F-15E has demonstrated the ability to take 12+ G's with essentially no damage.  One guy did this in my squadron (12ish G's during a bombing run pullup) and after thorough inspections, the plane flew again about a week later.

Even the F-15A and C are pretty durable.  An early F-15 pulled about 11 G's and the only thing that flat-out broke was the fwd motor mount.  The engines just klonked down to rest on the engine bay floor (the main mounts did not fail), and the plane flew home.
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Offline eagl

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« Reply #12 on: November 07, 2007, 05:55:10 PM »
Quote
Originally posted by AquaShrimp
I just did a search, I couldn't find anything about airframe fatigue causing an F-16 crash.


Search for F-16 wing cracks though, and you'll find that hundreds of F-16s were either retired early, or require major wing rebuilds due to wing cracks occuring far before the expected service life expired.

Also, the planes are not as durable as the F-15 so they get retired long before the F-15 service life expires.

Oh yea... Calling the F-15 not a "real fighter" demonstrates that you are amazingly ignorant about modern fighter aircraft.  When it first flew, it had a gun and could out-maneuver any production fighter in the world.  That makes it a fighter in pretty much anyone's book (except yours apparently).

This makes the second time you've trumpeted your ignorance about aviation in the last couple weeks...  You might want to re-think how aggressively you post crap like this since you haven't shown that you have a shred of knowledge about this stuff.

Maybe you should take up gardening or something else where you can read a book or two and impress people with your knowledge.

 :p
« Last Edit: November 07, 2007, 06:00:39 PM by eagl »
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Offline Bronk

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« Reply #13 on: November 07, 2007, 06:04:35 PM »
LOL careful eagl or you'll be Ignored also.:D
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Offline Dnil

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grounded all US F15S's
« Reply #14 on: November 07, 2007, 06:06:50 PM »
werent the navy f-16s retired because of fatigue?