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Any Photos Of Proposed CFM-56-2 Powered B-52?  
User currently offline747400sp From United States of America, joined Aug 2003, 3757 posts, RR: 2
Posted (4 years 9 months 3 weeks 5 hours ago) and read 10635 times:

Around 2006, I found out that there was a proposed program I believe in the 80's, to re-engine B-52s by replaceing their eight T-33s with six CFM-56-2. If anybody has any photos of how this re-engine B-52 would have looked, please post it? It would have been cool to see a jet with six CFM-56.

6 replies: All unread, jump to last
 
User currently offlinetf39 From United States of America, joined Jul 2006, 110 posts, RR: 0
Reply 1, posted (4 years 9 months 3 weeks 3 hours ago) and read 10598 times:

Unfortunately I don't have any photos/images but I thought the proposal was only for four CFM engines. At 34K pounds of thrust each, that should be enough since two TF-33 produce the same thrust. Hopefully someone has some pictures though  

User currently offlineHaveBlue From United States of America, joined Jan 2004, 2124 posts, RR: 1
Reply 2, posted (4 years 9 months 3 weeks 2 hours ago) and read 10577 times:

Quoting tf39 (Reply 1):
Unfortunately I don't have any photos/images but I thought the proposal was only for four CFM engines

I agree with tf39 I think it was only 4 engines, which makes sense since they already have 4 pylons ready to go for that and 6 would be overkill.



Here Here for Severe Clear!
User currently offlinesasd209 From British Indian Ocean Territory, joined Oct 2007, 642 posts, RR: 0
Reply 3, posted (4 years 9 months 3 weeks 1 hour ago) and read 10532 times:

Yes, I think the 6 engine idea would most likely result in a re-designing of the wing pylons? I would think that with the power available with more modern engines, as you have earlier said, this could easily be done with the 4 pylons and existing more modern engines than they currently fly with?

User currently offlineA380Heavy From United Kingdom, joined Mar 2006, 267 posts, RR: 0
Reply 4, posted (4 years 9 months 2 weeks 6 days 23 hours ago) and read 10492 times:

Found this image of the B52 re-engined with Rolls-Royce RB211's which will give you some idea of how the '52 would look with modern engines.

http://homepage.ntlworld.com/rez.manzoori/fakes/524-buff.jpg



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User currently offlineN328KF From United States of America, joined May 2004, 6491 posts, RR: 3
Reply 5, posted (4 years 9 months 2 weeks 6 days 18 hours ago) and read 10323 times:

Just two GE90-115Bs would do the job, too! But they'd never fit.  


When they call the roll in the Senate, the Senators do not know whether to answer 'Present' or 'Not guilty.' T.Roosevelt
User currently offlineKC135TopBoom From United States of America, joined Jan 2005, 12178 posts, RR: 51
Reply 6, posted (4 years 9 months 2 weeks 6 days 17 hours ago) and read 10264 times:

Quoting tf39 (Reply 1):
Unfortunately I don't have any photos/images but I thought the proposal was only for four CFM engines. At 34K pounds of thrust each, that should be enough since two TF-33 produce the same thrust. Hopefully someone has some pictures though
Quoting HaveBlue (Reply 2):
I agree with tf39 I think it was only 4 engines, which makes sense since they already have 4 pylons ready to go for that and 6 would be overkill.
Quoting sasd209 (Reply 3):
Yes, I think the 6 engine idea would most likely result in a re-designing of the wing pylons?

The mid 1980s B-52 reengine proposal was for 6 CFM-56-2B engines (F-108-100), the same engine then going on the KC-135R, and it would have looed like a modern day B-47E. The reengine proposal was for all B-52G/H airplanes as it was before the START treaty that scrapped the B-52G. The engine struts would have been changed in the proposal, as well as brakes, landing gear, modifications to electrical and hydraulic systems, and adding a duel APU for "quick-start" (same engines and APUs as the KC-135R), etc. IIRC, the costs were estimated at around $45M-$50M per aircraft, compared to the $29M costs to reengine the KC-135R. The B-52 reengine proposal was never funded.

Quoting A380Heavy (Reply 4):
Found this image of the B52 re-engined with Rolls-Royce RB211's which will give you some idea of how the '52 would look with modern engines.

Correct, but that proposal was also never funded either.


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