dc8jet
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KC-135 CFM56 Engine Conversions

Thu Dec 07, 2006 8:23 am

Anyone know where I can get an up to date list of the C-135s and KC-135s that have been converted to CFM56 engines. I have the lists in a couple of KC-135 books but there have been more converted since the books were published.
 
ebj1248650
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RE: KC-135 CFM56 Engine Conversions

Thu Dec 07, 2006 8:44 am

Quoting Dc8jet (Thread starter):
Anyone know where I can get an up to date list of the C-135s and KC-135s that have been converted to CFM56 engines. I have the lists in a couple of KC-135 books but there have been more converted since the books were published.

You might try going to the Boeing web page and finding the e-mail address for the company historian. If he doesn't have the information, he might be able to point you to the person who would have it. Incidentally, he's a nice guy, so please be courteous.
Dare to dream; dream big!
 
PADSpot
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RE: KC-135 CFM56 Engine Conversions

Thu Dec 07, 2006 5:46 pm

What about http://www.planelist.net/boeing-707.zip ... pretty detailed information on all KC-135 ever built.
 
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kc135topboom
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RE: KC-135 CFM56 Engine Conversions

Sat Dec 09, 2006 10:57 pm

Quoting Dc8jet (Thread starter):
Anyone know where I can get an up to date list of the C-135s and KC-135s that have been converted to CFM56 engines.

The USAF designation of the CFM-56 engine is the F-108. There are no USAF C-135s that have been reengined with the F-108s, only the KC-135 and several RC-135s, as well as the 11 remaining French C-135FRs and the TAF and Singapore AF KC-135Rs. The USN flys the F-108 on their E-6Bs, the RSAF has them on all of their E/KE-3s, the French on their E-3Fs, and the RAF on their E-3Gs. The F-108 also flys on the USN and USAF C-40A/B/Cs, as well as the RAAF, TAF, and RoKAF Wedgetails. The French also had CFM-56s on their A-340-300 and they had them on their one DC-8-55 (which is now retired, IIRC).

At the moment I cannot remember any other military aircraft that flys the F-108/CFM-56 engine.
 
brewha
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RE: KC-135 CFM56 Engine Conversions

Mon Jul 28, 2008 4:01 pm

Did the USAF field the intermediate level maintenance for the F-108? or is it all done at Tinker wit ha little 2 - level maintenance done in the field? I was reading aobut some of the problems with commercial version with bearings and such and I was wondering if the field can change bearings and cores , etx. or does that kind of maintenance have to go back to Tinker?
 
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kc135topboom
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RE: KC-135 CFM56 Engine Conversions

Mon Jul 28, 2008 4:50 pm



Quoting Brewha (Reply 4):
Did the USAF field the intermediate level maintenance for the F-108? or is it all done at Tinker wit ha little 2 - level maintenance done in the field? I was reading aobut some of the problems with commercial version with bearings and such and I was wondering if the field can change bearings and cores , etx. or does that kind of maintenance have to go back to Tinker?

Most maintenance on the F-108 engines is done at the base level, including replacing bearings. Intermediate and depot level maintenance is done at Tinker AFB, OK
 
A342
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RE: KC-135 CFM56 Engine Conversions

Mon Jul 28, 2008 7:13 pm



Quoting KC135TopBoom (Reply 3):
The French also had CFM-56s on their A-340-300 and they had them on their one DC-8-55 (which is now retired, IIRC).

The French AF has A342s, not A343s. Also, make that DC-8-72 Combi. IIRC they had two. Aren't these now with ATI? The -55 had the standard JT3Ds.
Exceptions confirm the rule.
 
Galaxy5007
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RE: KC-135 CFM56 Engine Conversions

Mon Jul 28, 2008 9:27 pm

Hey Top, Do they do the C-checks at both Tinker and Kelly aviation? I was down at Lackland back in March, and they had a crap load of KC-10s, 135s and C-17s all there for either C-check or GRIP(C-17). Or is Tinker just the main ALC for parts-to include engines?
 
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kc135topboom
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RE: KC-135 CFM56 Engine Conversions

Tue Jul 29, 2008 3:03 pm



Quoting A342 (Reply 6):
Quoting KC135TopBoom (Reply 3):
The French also had CFM-56s on their A-340-300 and they had them on their one DC-8-55 (which is now retired, IIRC).

The French AF has A342s, not A343s. Also, make that DC-8-72 Combi. IIRC they had two. Aren't these now with ATI? The -55 had the standard JT3Ds.

You are right, it is an A-342. But, France also did have a re-engined DC-8-55, the French President flew to PSM in 1988. I believe it was the only -55 ever converted, and it had an APU installed in the aft left wing root, too.

Quoting Galaxy5007 (Reply 7):
Hey Top, Do they do the C-checks at both Tinker and Kelly aviation? I was down at Lackland back in March, and they had a crap load of KC-10s, 135s and C-17s all there for either C-check or GRIP(C-17). Or is Tinker just the main ALC for parts-to include engines?

Yes, both Tinker and Kelly do "C" and "D" check equivelents. But, IIRC, only Tinker refurbishes the USAF and USN F-108 engines.

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