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Kaasjager.
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 Posted: Feb 25, 2007 - 12:01 PM
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| Hey, i have a question about the F-15's F100-PW200/220(E)/229 engine. Why don't they use the "turkey feathers like on the F-16's PW200/220(E)/229's, I seem to remember that the feathers were introduced with the 200. So why doesn't the F-15 use them? |
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As a finishing touch God created the Dutch!
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 Posted: May 22, 2013 - 2:57 AM
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parrothead
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Posted: Feb 25, 2007 - 06:25 PM
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| I seem to recall hearing something about vibration causing trouble for the turkey feathers with the two engines so close together. |
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TC
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Posted: Feb 25, 2007 - 10:34 PM
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| They had them earlier in the As and Bs, but they were removed. From what I understand, they were a PITA. |
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Lightndattic
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Posted: Feb 26, 2007 - 05:27 AM
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TC wrote:
They had them earlier in the As and Bs, but they were removed. From what I understand, they were a PITA.
Same thing for the 101's on the B-1. |
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Kaasjager.
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Posted: Feb 26, 2007 - 12:31 PM
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TC wrote:
They had them earlier in the As and Bs, but they were removed. From what I understand, they were a PITA.
Ok, forgive this stupid Dutchy but what is PITA? |
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As a finishing touch God created the Dutch!
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LinkF16SimDude
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Posted: Feb 26, 2007 - 02:17 PM
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PITA = "Pain In The A$$" (or "Ar$e" for some of our European compadres...  )
And in Dutch (sorry if I butcher this...): Pijn In De Ezel |
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Why does "monosyllabic" have 5 syllables?
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Kaasjager.
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Posted: Feb 26, 2007 - 05:04 PM
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LinkF16SimDude wrote:
And in Dutch (sorry if I butcher this...): Pijn In De Ezel
Arg!, it makes my eyes hurt! It's pijn in de kont. Ezel = Donkey  |
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As a finishing touch God created the Dutch!
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TC
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Posted: Feb 26, 2007 - 05:11 PM
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Yeah, I try to keep it as censored as possible. Acronyms, the Phonetic Alphabet, and the use of a randomly placed dollar sign or asterisk can cover up some of the not-very-Disney-esque GI language.
Anyway, if you spot a pic of the Eagle with turkey feathers, you know you are looking at an old F-15 pic. Well, that and you may see maintainers in the pic wearing OD Green fatigues. If you happen to see maintainers with the OD Green fatigues, and color patches, then the pic is pre-1981 (the year the AF went to subdued patches on fatigues).
As I recall, the turkey feathers were removed from the Eagles in 1984, but it may have been before that. I'll have to take a look at some of my oldest Eagle pics and see. |
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LinkF16SimDude
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Posted: Feb 26, 2007 - 08:34 PM
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Kaasjager. wrote:
LinkF16SimDude wrote:
And in Dutch (sorry if I butcher this...): Pijn In De Ezel
Arg!, it makes my eyes hurt! It's pijn in de kont. Ezel = Donkey
 Sorry dude! It's only been 19 years since I've been to Holland. I'm surprised I remember THAT much, what with all the "full-strength" Grolsh I put away!  (still my favorite beer, BTW...) |
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Why does "monosyllabic" have 5 syllables?
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Kaasjager.
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Posted: Feb 26, 2007 - 08:55 PM
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LinkF16SimDude wrote:
Ah, Grolsch, you were at Soesterberg at the 32nd fighter wing?
I have some pics of the Zulu hangar there. We use it to scrap old F-16's now. |
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As a finishing touch God created the Dutch!
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TC
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Posted: Feb 26, 2007 - 09:47 PM
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| Somewhere amongst my stuff, I have some good pics of the Zulu Alert Eagles going full blower down the runway at Soesterberg. Wish the AF had never left CNA. Nice base, and a great assignment, from what I've been told. |
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"He counted on America to be passive...He counted wrong." -- President Ronald Reagan
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Kaasjager.
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Posted: Feb 27, 2007 - 02:07 PM
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LinkF16SimDude
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Posted: Feb 27, 2007 - 02:48 PM
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Kaasjager. wrote:
Ah, Grolsch, you were at Soesterberg at the 32nd fighter wing?
Nope. Never was in the miliatary. Did a sim job for Singer-Link at Twenthe in 1988 that took about 4 months to complete. A Grolsch brewery was just down the road in Enschede (the old one, not the new one). We took the tour...many times....
What were we talkin' about? Oh yeah...the Eagle's turkey feathers. An old boss o'mine that used to work Eagles in Saudi said they were removed due to vibration issues (which someone mentioned earlier), but he didn't elaborate.
So if the Eagle removes 'em, but the Viper keeps 'em, what aerodynamic role do they play? Drag reduction perhaps? Aero noise maybe? I'd think substantial high-frequency nozzle vibration would occur on a Viper without feathers when the aft airflow passes over the nozzle sections where the feathers normally live. Kinda like blowin' over the lip of a soda pop bottle, except you'd have to blow a 500 knot airstream.
But I'm no aero guy so ICBW. |
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Why does "monosyllabic" have 5 syllables?
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Kaasjager.
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Posted: Feb 27, 2007 - 04:09 PM
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Joined: Aug 26, 2005 - 01:36 PM
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LinkF16SimDude wrote:
Kaasjager. wrote:
Ah, Grolsch, you were at Soesterberg at the 32nd fighter wing?
Nope. Never was in the miliatary. Did a sim job for Singer-Link at Twenthe in 1988 that took about 4 months to complete. A Grolsch brewery was just down the road in Enschede (the old one, not the new one). We took the tour...many times....
Ah, another Twenthenaar! Did you live at Zuid Kamp those 4 months? Yeah, i think was a pipeline directly from the Grolsch brewery to the Messes. lol
From what i have heard the Turkey Feathers reduce drag around the nozzle. |
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As a finishing touch God created the Dutch!
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LinkF16SimDude
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Posted: Feb 27, 2007 - 05:48 PM
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Kaasjager. wrote:
Ah, another Twenthenaar! Did you live at Zuid Kamp those 4 months?
Nope again. We stayed at a nice place in Delden call the ApartHotel (English version). Nice rooms, big tennis court, REALLY cute female staff! Apparently it's still there after lo these many years. Would absotively LOVE to go back sometime!  |
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Why does "monosyllabic" have 5 syllables?
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