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KlimaBXsst
Topic Author
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Convair 880 engine inlet intakes?

Tue Jun 09, 2020 2:13 pm

Flattened ovals or round?

Was just watching a video of a Convair departure from Mojave, and the inlets appear to be flattened ovals resembling the 727-100 #2 engine intakes but with the oval horizontal instead of like the 727-100’s oval vertical.

Was this an optical illusion on the Convair 880 or did the engine inlets evolve during the course of production? Been doing searches but to no avail yet.
Aesthetically the A 340 got it right!
 
KlimaBXsst
Topic Author
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Joined: Wed Jan 23, 2019 4:14 pm

Re: Convair 880 engine inlet intakes?

Tue Jun 09, 2020 2:17 pm

Here is the YouTube of the 880 leaving Mojave.

https://m.youtube.com/watch?v=isP1LVVZ6nU
Aesthetically the A 340 got it right!
 
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ClassicLover
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Re: Convair 880 engine inlet intakes?

Tue Jun 09, 2020 2:23 pm

I think they have round engine inlets... look at the two head on photos in this article -

https://travelupdate.com/convair-880-video/

Judging from those, I'd say they're definitely round and not oval shaped.

When it comes to the original Boeing 727, the oval shape of the number two engine is quite prominent. I don't see that here with the Convair.
I do enjoy a spot of flying, especially when it's not in economy!
 
KlimaBXsst
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Re: Convair 880 engine inlet intakes?

Tue Jun 09, 2020 2:39 pm

ClassicLover wrote:
I think they have round engine inlets... look at the two head on photos in this article -

Judging from those, I'd say they're definitely round and not oval shaped.

When it comes to the original Boeing 727, the oval shape of the number two engine is quite prominent. I don't see that here with the Convair.


Yes I am thinking it is PROBABLY
projection media distortion.

But watching the video really made - and makes - me question if “there was something I had missed about the Convair 880 design,” or the design of this particular 880 departing Mojave.
Aesthetically the A 340 got it right!
 
n9801f
Posts: 205
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Re: Convair 880 engine inlet intakes?

Tue Jun 09, 2020 2:41 pm

That's a fun video.

If you're ever in Memphis, you can get right next to a Convair 880 at the Elvis Presley museum.

It was interesting to see that plane in person. It was smaller than I realized.
 
Clydenairways
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Joined: Thu Jan 11, 2007 8:27 am

Re: Convair 880 engine inlet intakes?

Tue Jun 09, 2020 4:31 pm

The intakes are definitely round on the 880. If you want to see flat intakes, look at the Mc Donnell 220 bizjet, practically square !

https://www.airliners.net/photo/Untitle ... 2BoA%3D%3D
 
e38
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Joined: Sun May 04, 2008 10:09 pm

Re: Convair 880 engine inlet intakes?

Wed Jun 10, 2020 1:09 am

slightly off-topic, but with reference to the forward entry door on the Convair 880 (and 990 as well) what is the construction such that when the door is open, it is positioned somewhat above the actual opening of the aircraft? Of all the aircraft with swing-type doors, I’ve never seen one open like this,

e38
 
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DL_Mech
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Re: Convair 880 engine inlet intakes?

Wed Jun 10, 2020 3:13 am

The 880 entry door is a plug door in that it is larger than the opening in the fuselage. In order to open the door, it must first move upwards to clear the door stops that the door sits against (similar to an Airbus door). Boeing and Douglas doors swing inward first in order to clear the opening.

Image

https://images.fineartamerica.com/image ... rutein.jpg
This plane is built to withstand anything... except a bad pilot.
 
e38
Posts: 715
Joined: Sun May 04, 2008 10:09 pm

Re: Convair 880 engine inlet intakes?

Wed Jun 10, 2020 11:53 am

interesting!
Thank you, DL_Mech.

e38
 
Max Q
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Joined: Wed May 09, 2001 12:40 pm

Re: Convair 880 engine inlet intakes?

Wed Jun 10, 2020 1:36 pm

I like the aluminum foil dress !
The best contribution to safety is a competent Pilot.


GGg
 
BravoOne
Posts: 4094
Joined: Fri Apr 12, 2013 2:27 pm

Re: Convair 880 engine inlet intakes?

Wed Jun 10, 2020 4:40 pm

Max Q wrote:
I like the aluminum foil dress !



That was a TWA issue during the 1967,68 time period as I recall. There were about five versions of this and the were issued to the TWA Hostess when they checked in for their tripss on certain market segments as I recall. The NY Pentouse version was pretty flammable so they wound upt discarding the whole concept..Thank God. I wass married to a TWA Hostess at the time learned a few new swear words during this period.
 
Max Q
Posts: 8229
Joined: Wed May 09, 2001 12:40 pm

Re: Convair 880 engine inlet intakes?

Thu Jun 11, 2020 9:26 pm

BravoOne wrote:
Max Q wrote:
I like the aluminum foil dress !



That was a TWA issue during the 1967,68 time period as I recall. There were about five versions of this and the were issued to the TWA Hostess when they checked in for their tripss on certain market segments as I recall. The NY Pentouse version was pretty flammable so they wound upt discarding the whole concept..Thank God. I wass married to a TWA Hostess at the time learned a few new swear words during this period.



Funny, thanks for that personal take, those dresses looked like they could double as a TV dinner wrap !
The best contribution to safety is a competent Pilot.


GGg
 
744SPX
Posts: 215
Joined: Mon Jan 27, 2020 6:20 pm

Re: Convair 880 engine inlet intakes?

Thu Jun 11, 2020 9:36 pm

Flammable? They could have made a pretty good sight gag with those on the Airplane movies...
 
BravoOne
Posts: 4094
Joined: Fri Apr 12, 2013 2:27 pm

Re: Convair 880 engine inlet intakes?

Thu Jun 11, 2020 10:30 pm

744SPX wrote:
Flammable? They could have made a pretty good sight gag with those on the Airplane movies...


Your'e are showing your age!
 
Lemmy
Posts: 251
Joined: Fri Dec 10, 2004 8:40 am

Re: Convair 880 engine inlet intakes?

Fri Jun 12, 2020 6:19 pm

Does the front fan on those engines not turn? The engines appear to be running but the fan isn't turning. Is the first stage a stator? I don't think I've ever seen that before.
I am a patient boy ...
 
889091
Posts: 188
Joined: Sat Apr 06, 2019 7:56 pm

Re: Convair 880 engine inlet intakes?

Fri Jun 12, 2020 10:57 pm

Did those GE engines utilise water injection? And I thought the Mig29 was smoky.....
 
BravoOne
Posts: 4094
Joined: Fri Apr 12, 2013 2:27 pm

Re: Convair 880 engine inlet intakes?

Sat Jun 13, 2020 2:19 pm

889091 wrote:
Did those GE engines utilise water injection? And I thought the Mig29 was smoky.....


They are basically GEJ79's minus the AB., The same engine as seen in he F4 which you could see coming for miles. No water.

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