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CFM Releases More Info On Leap-X Engine  
User currently offlineArt From United Kingdom, joined Feb 2005, 3382 posts, RR: 1
Posted (5 years 11 months 6 days 15 hours ago) and read 6211 times:

CFM International has outlined some of the technologies that will allow its Leap-X new generation narrowbody engine achieve 16% lower fuel burn.

http://www.flightglobal.com/articles...nes-leap-in-engine-technology.html

The article also mentions CFM is working on an open rotor design with a 4.27m diameter fan envelope. Where would you place a 4.27m diameter fan on an aircraft?

[Edited 2008-10-31 01:49:41]

4 replies: All unread, jump to last
 
User currently offlineStealthZ From Australia, joined Feb 2005, 5705 posts, RR: 44
Reply 1, posted (5 years 11 months 6 days 13 hours ago) and read 6141 times:
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Quoting Art (Thread starter):
Where would you place a 4.27m diameter fan on an aircraft?

Not on a 737 class narrow body, that fan is half a metre greater in diameter than a B737 fuselage.
It would likely be neat retrofit on the AN-22 or TU-95 replacing the 5.7 metre contra rotating turboshaft engines!



If your camera sends text messages, that could explain why your photos are rubbish!
User currently offlineKeesje From , joined Dec 1969, posts, RR:
Reply 2, posted (5 years 11 months 6 days 11 hours ago) and read 6033 times:



Quoting Art (Thread starter):
The article also mentions CFM is working on an open rotor design with a 4.27m diameter fan envelope. Where would you place a 4.27m diameter fan on an aircraft?

Airbus and Boeing have been studying alternative configurations for over a decade.



User currently offlinePW100 From Netherlands, joined Jan 2002, 2485 posts, RR: 12
Reply 3, posted (5 years 11 months 6 days 10 hours ago) and read 5930 times:



Quoting Art (Thread starter):
Where would you place a 4.27m diameter fan on an aircraft?

Keesje, can you post your 150 seat turboprop again, it seems you just found an engine for your design!

Regards,
PW100



Immigration officer: "What's the purpose of your visit to the USA?" Spotter: "Shooting airliners with my Canon!"
User currently offlineAcNDTTech From United States of America, joined Jul 2008, 338 posts, RR: 0
Reply 4, posted (5 years 11 months 6 days 10 hours ago) and read 5910 times:

So we are finally coming back to the UDF idea. I was wondering how long it would take.

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