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HAWK21M
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Engine Inlet Plugs - Type

Wed Feb 14, 2007 1:03 am


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Photo © Rhys Dudley


What material are these Inlet plugs of & How are they attached.
regds
MEL
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N231YE
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RE: Engine Inlet Plugs - Type

Wed Feb 14, 2007 1:16 am

Considering that the aircraft is a static display, my guess is that the covers are permanent/semi-permanently attached to the engine. I have seen these covers on museum-housed aircraft before, but I am not sure of their composition.

Some sort of plastic/polycarbonate?
 
BAE146QT
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RE: Engine Inlet Plugs - Type

Wed Feb 14, 2007 1:26 am

Quote:
Note the clear coverings to protect the engine internals and fans.

Definitely polycarbonate or some sort of acrylic.
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HAWK21M
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RE: Engine Inlet Plugs - Type

Wed Feb 14, 2007 1:27 am

Quoting N231YE (Reply 1):
my guess is that the covers are permanent/semi-permanently attached to the engine

The brackets on the ends seem fixed to the Engine Inlet inside.
So these are Permanent/Long term storage plugs.

regds
MEL
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BAE146QT
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RE: Engine Inlet Plugs - Type

Wed Feb 14, 2007 1:41 am

Quoting HAWK21M:
So these are Permanent/Long term storage plugs.

I'd say so. Have a look at this picture;

http://www.airliners.net/open.file/0956489/M/

I'd say that bird isn't ever going anywhere again. It's the Qantas Founder's Museum, apparently.
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troubleshooter
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RE: Engine Inlet Plugs - Type

Wed Feb 14, 2007 4:41 am

You´ll find this type of "cover" very often when there is actually no engine installed! I would guess this could be the case here. Note the painted "fan blades" on the cover...
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N231YE
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RE: Engine Inlet Plugs - Type

Wed Feb 14, 2007 5:55 am

Quoting Troubleshooter (Reply 5):
You´ll find this type of "cover" very often when there is actually no engine installed! I would guess this could be the case here. Note the painted "fan blades" on the cover...

That is true, however...


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Photo © Ryan Callaghan



...in this case, the photographer of this photo writes:

Quote:
Close up of VH-EBQ's number 3 engine apparently still in working order.
 
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HAWK21M
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RE: Engine Inlet Plugs - Type

Wed Feb 14, 2007 4:52 pm

Any Instance of usage of Transparent Plugs for normal Layover FOD protection.
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MEL
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SkydrolBoy
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RE: Engine Inlet Plugs - Type

Thu Feb 15, 2007 4:48 am

Quoting HAWK21M (Reply 7):
Any Instance of usage of Transparent Plugs for normal Layover FOD protection.

I doubt it, all plugs I have seen used for FOD protection on serviceable a/c are painted bright red or orange. Somehow I think that if they were transparent we would be reading a story about someone forgetting to remove them.
 
N231YE
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RE: Engine Inlet Plugs - Type

Thu Feb 15, 2007 8:30 am

Quoting SkydrolBoy (Reply 8):
I doubt it, all plugs I have seen used for FOD protection on serviceable a/c are painted bright red or orange. Somehow I think that if they were transparent we would be reading a story about someone forgetting to remove them.

Good point, I never thought of that...
 
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HAWK21M
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RE: Engine Inlet Plugs - Type

Thu Feb 15, 2007 11:18 pm

Quoting SkydrolBoy (Reply 8):
Somehow I think that if they were transparent we would be reading a story about someone forgetting to remove them.

True.
Out here We use the Bright Yellow Cap type plugs for the B737s Inlet & Exhaust & The Tarpaulin type for the B757 Inlets.
regds
MEL
I may not win often, but I damn well never lose!!! ;)
 
L-188
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RE: Engine Inlet Plugs - Type

Sat Feb 17, 2007 1:29 pm

Quoting Troubleshooter (Reply 5):
You´ll find this type of "cover" very often when there is actually no engine installed! I would guess this could be the case here. Note the painted "fan blades" on the cover...

I think you are correct.

Engines are worth money, no point in giving them to a museum.
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FredT
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RE: Engine Inlet Plugs - Type

Sat Feb 17, 2007 10:44 pm

Quoting Troubleshooter (Reply 5):
You´ll find this type of "cover" very often when there is actually no engine installed! I would guess this could be the case here. Note the painted "fan blades" on the cover...

To get that out of the discussion once for all: Those are transparent covers. No painted fan blades, and actual fan blades behind the covers.

Shouldn't be too difficult finding engines of that type which are at the end of their service life.

Rgds,
/Fred
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