jblake1
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Thrust Reverser Deployed In Flight?

Thu May 27, 2004 5:16 am


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Is there a problem with this 747SP? Has the thrust reverser deployed to soon?

apologies if this has already been asked..

 
tekelberry
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RE: Thrust Reverser Deployed In Flight?

Thu May 27, 2004 5:26 am

Even though it appears open, that part may have been replaced and hasn't been painted white to blend in.
 
Tom in NO
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RE: Thrust Reverser Deployed In Flight?

Thu May 27, 2004 5:31 am

I seem to recall that DC-8's could deploy two reversers while in flight. There was a story in one of the airliner magazines a while back written by a guy that had been onboard a DC-8 flight descending, I believe, into ABQ. The 8 dropped like a brick, and the landing wasn't exactly smooth.

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american762
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RE: Thrust Reverser Deployed In Flight?

Thu May 27, 2004 5:31 am

As far as the picture goes, TekelBerry may be correct. but there are several aircraft who if the reverse thrust are knocked out of their stowed position the door can open, especially on an SP which isn't exactly a new aircraft :P. I could be wrong but the pilot might have just hit the thrust lever and not noticed it. I know knewer aircraft and even Concorde had pins in main gear that stopped the reverse thrust from being activated until the wheel was firmly planted on the ground.
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airportugal310
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RE: Thrust Reverser Deployed In Flight?

Thu May 27, 2004 5:34 am

No if you look closely you can see the shine in the metal there. tekleberry is right: probably some replacement part.

Remember what happened to the Lauda 767 who's thrust reverser some how engaged in flight? Yeah, not good at all!

Check out this replacement part!!!! Not even from the right airline  Laugh out loud


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BR715-A1-30
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RE: Thrust Reverser Deployed In Flight?

Thu May 27, 2004 5:35 am

On early Quads, The Outboard reversers could be deployed to help slow the aircraft. But this was feasible on only Narrowbodies. I think that due to FAA requirements though, all four engines must be operating at forward thrust until touchdown. ???

I also seem to remember quite a few 727 pilots would shut the #2 engine down to save fuel. Dunno if its true, but it is what I heard. It was practiced in the 1970s only though.
Puhdiddle
 
FJWH
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RE: Thrust Reverser Deployed In Flight?

Thu May 27, 2004 5:41 am

I've been wondering the same question but talking about UGLY planes........ the 747SP  Insane
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clipperno1
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RE: Thrust Reverser Deployed In Flight?

Thu May 27, 2004 5:57 am

Seems to be a normal procedure for the IL-62.
Never flown with one, maybe somebody who has can tell us about it.


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adriaticus
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RE: Thrust Reverser Deployed In Flight?

Thu May 27, 2004 6:24 am

ClipperNo1... I've flown the Il62, and it is impossible to see the reverse thrusters from the cabin.

On the other hand, the A340 not exactly "deploys in flight", but certainly can before touchdown...


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AJet
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RE: Thrust Reverser Deployed In Flight?

Thu May 27, 2004 6:25 am

I confirm that the thrust reversers can be deployed in-flight on the DC8. I experienced it twice onboard a French Air Force DC8 back in 1997. I don't remember if just 2 or all of the 4 reversers were deployed though.
 
JuniorSpotter
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RE: Thrust Reverser Deployed In Flight?

Thu May 27, 2004 6:33 am

Well...back to the SP. Take a closer look at the engines, and compare the lines. The thrust reverser IS deployed. Easy to spot. Now...why? "I said flaps, Jerry...F L A P S !" Big grin

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sq452
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RE: Thrust Reverser Deployed In Flight?

Thu May 27, 2004 6:36 am

Planes touch down all the time and the reversers deploy...just not for the A340, but 777 as well...they'll start opening up before the front gear touches down,

With regards to the Saudi plane, its just a part that has not been painted, although does look like reversers deployed, they color would be a light greenish color, not silver.
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AGrayson514
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RE: Thrust Reverser Deployed In Flight?

Thu May 27, 2004 6:39 am

It does appear to be slightly open, or opening, and the #4 engine is not. Could it not be simply a loose panel? It also looks as if a part might be missing.


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JuniorSpotter
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RE: Thrust Reverser Deployed In Flight?

Thu May 27, 2004 6:52 am

I stand corrected.


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CMHSRQ
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RE: Thrust Reverser Deployed In Flight?

Thu May 27, 2004 11:14 am

I wonder how much oil they need to add to each of those engines in between flights.
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