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KC-135 CFM56 Engine Conversions  
User currently offlineDc8jet From United States of America, joined Feb 2004, 326 posts, RR: 0
Posted (8 years 2 weeks 6 days 13 hours ago) and read 7043 times:

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.

8 replies: All unread, jump to last
 
User currently offlineEBJ1248650 From United States of America, joined Jun 2005, 1932 posts, RR: 1
Reply 1, posted (8 years 2 weeks 6 days 12 hours ago) and read 7031 times:

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!
User currently offlinePADSpot From Germany, joined Jan 2005, 1676 posts, RR: 4
Reply 2, posted (8 years 2 weeks 6 days 3 hours ago) and read 6967 times:

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

User currently offlineKC135TopBoom From United States of America, joined Jan 2005, 12181 posts, RR: 51
Reply 3, posted (8 years 2 weeks 3 days 22 hours ago) and read 6823 times:

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.


User currently offlineBrewha From United States of America, joined Jun 2008, 7 posts, RR: 0
Reply 4, posted (6 years 5 months 1 day 5 hours ago) and read 5931 times:

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?

User currently offlineKC135TopBoom From United States of America, joined Jan 2005, 12181 posts, RR: 51
Reply 5, posted (6 years 5 months 1 day 4 hours ago) and read 5900 times:



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


User currently offlineA342 From Germany, joined Jul 2005, 4721 posts, RR: 3
Reply 6, posted (6 years 5 months 1 day 2 hours ago) and read 5843 times:



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.
User currently offlineGalaxy5007 From United States of America, joined Sep 2005, 628 posts, RR: 0
Reply 7, posted (6 years 5 months 23 hours ago) and read 5786 times:

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?

User currently offlineKC135TopBoom From United States of America, joined Jan 2005, 12181 posts, RR: 51
Reply 8, posted (6 years 5 months 6 hours ago) and read 5645 times:



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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