JETPILOT
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What Is This? Never Saw It Before!

Thu May 17, 2007 7:11 pm

Check this video. Look closely at the 747. I has 2 engine on one nacelle. Anyone know anything about it? It also has external fuel tanks on the outer pylons. Does this thing fly?

http://www.youtube.com/watch?v=XClK8qS79Bg

JET

[Edited 2007-05-17 12:19:01]
 
Legs
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RE: What Is This? Never Saw It Before!

Thu May 17, 2007 7:19 pm

Check this thread from a while back:
RE: What Is It? (by ANCFlyer Mar 8 2007 in Civil Aviation)

Its a modified 747 used in the movie Casino Royale
 
JETPILOT
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RE: What Is This? Never Saw It Before!

Thu May 17, 2007 7:25 pm

Damn... I thought it might be a repost. Thanks for the info.

JET
 
b78710
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RE: What Is This? Never Saw It Before!

Thu May 17, 2007 7:28 pm

stationed at dunsfold airfield.....where they film top gear also!
 
Legs
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RE: What Is This? Never Saw It Before!

Thu May 17, 2007 7:32 pm

Not a problem at all, glad to help
 
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zeke
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RE: What Is This? Never Saw It Before!

Thu May 17, 2007 7:35 pm

Quoting Jetpilot (Thread starter):
Check this video. Look closely at the 747. I has 2 engine on one nacelle. Anyone know anything about it?

It is the Skyfleet airplane prototype from the James Bond Casino Royale movie.

http://www.flightglobal.com/articles...47-xxx-on-show-ahead-of-movie.html
We are addicted to our thoughts. We cannot change anything if we cannot change our thinking – Santosh Kalwar
 
Legs
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RE: What Is This? Never Saw It Before!

Thu May 17, 2007 7:40 pm

I actually kinda like the idea, kinda like a 747 and a B-52's lovechild! Not so sure about its feasibility in the real world though.
 
tommybp251b
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RE: What Is This? Never Saw It Before!

Thu May 17, 2007 10:50 pm

Hi Guys!

Never forget that there were more things in the movie than you can see on the pictures.

1. It had 747-400 Winglets
2. It had a stretched upper deck
3. and on the side, it looked like the part of the A380 with all the airline stickers of the buyers as you can see in on the last picture of the link above.

Best Regards. Tom
Tom from Cologne
 
Viscount724
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RE: What Is This? Never Saw It Before!

Fri May 18, 2007 7:14 am

Quoting Legs (Reply 6):
I actually kinda like the idea, kinda like a 747 and a B-52's lovechild! Not so sure about its feasibility in the real world though.

It worked on the B-47. First flight 60 years ago, December 17, 1947. Over 2000 built through 1957. I think it was the first production aircraft with jet engines suspended on pylons below the wings. Provided a lot of inspiration for subsequent Boeing types, military and commercial.


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[Edited 2007-05-18 00:16:04]
 
Legs
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RE: What Is This? Never Saw It Before!

Fri May 18, 2007 11:10 am

Good point, but I was thinking more along the lines of the commercial world where the almighty dollar reigns supreme. I would imagine that a dual engine pod would make maintenance a bit of a headache, or at the very least you would need two different accessory configurations for the engines
 
ZBBYLW
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RE: What Is This? Never Saw It Before!

Fri May 18, 2007 11:59 am

Quoting B78710 (Reply 3):
stationed at dunsfold airfield.....where they film top gear also!
Did anyone see the Top Gear episode where they were testing out tractors and Jeromy decided to pull the 747 with his tractor haha!

Edit: WOW thats embarrassing... the link is the Top Gear episode in where they do it... I should click the links before posting...

[Edited 2007-05-18 05:00:29]
Keep the shinny side up!
 
rwessel
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RE: What Is This? Never Saw It Before!

Fri May 18, 2007 1:18 pm

Another issue for a commercial aircraft with pairs of engines in a pod would be certification requirements in case of engine failures. I don't know if any standards currently exist, but I could easily see that the regulators might hesitate to count those two engines as completely separate. Just think if you had a fire in one of them - could you really expect not to shut down the other engine in the same pod?

Also, as I understand it, the B-52 experience (admittedly built to rather different standards) is that the failure of the second engine in the pod is more-or-less assumed (not that it always happens, of course), and the aircraft is flown more like a quad.

You'd probably be able to certify an aircraft with four engines in two pods on more-or-less that same basis as a twin, but then you'd end up with the worst of both worlds - a quads fuel consumption, and a twins need for extra power. You might find a situation with an extremely large aircraft where the lack of suitable single engines might make that a practical option (for example a 2.5 million pound aircraft with eight GE-90s in four pods). Much smaller than that, and you could just build an ordinary quad.
 
3MilesToWRO
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RE: What Is This? Never Saw It Before!

Fri May 18, 2007 6:25 pm

Quoting Rwessel (Reply 11):
Another issue for a commercial aircraft with pairs of engines in a pod would be certification requirements in case of engine failures. I don't know if any standards currently exist

Well, Il-62s keep flying. So did Concordes not so long ago.

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