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What are the failure modes of the Turbo Cyclones?

 
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rwahlgren



Joined: 15 Aug 2003
Posts: 156

PostPosted: Thu Nov 07, 2019 20:24    Post subject: What are the failure modes of the Turbo Cyclones? Reply with quote

Was reading about a DC-7B that was to be ferried, but to do so they had to lease an engine, and then during the test flight a few days ago they lost another engine. No details of course for us engine types. If there are people here that have a lot of experience with them it would be interesting to hear what you have to say about the failure modes of those engines.
It would have to be a major failure to require replacement.
Master rod bearings?
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jschauer



Joined: 19 May 2004
Posts: 93
Location: Justin, Texas

PostPosted: Sun Jan 05, 2020 11:53    Post subject: Reply with quote

Most of the failures I've encountered were the engines making metal. Most of the metal parts were from the nose case gear reduction. The early BA Wright R-3350s had a weak gear setup and the later post war CA Wrights were beefed up.
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