Author |
Message |
Topic: R-4360 Cam Disc |
kmccutcheon
Replies: 3
Views: 1385
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Forum: Technical Discussion Posted: Tue Mar 12, 2024 07:21 Subject: R-4360 Cam Disc |
One reason for the cam drive change, I think, is the slower cam ring speed.
Slower surface speed for the lifter roller cam interface, as well as the ring support bearing.
I agree with this expl ... |
Topic: Popped up on my radar |
kmccutcheon
Replies: 1
Views: 61
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Forum: Book, Mags, Films, Recordings, Reference Posted: Wed Feb 21, 2024 12:12 Subject: Popped up on my radar |
How was the Merlin book? |
Topic: Robert Raymond |
kmccutcheon
Replies: 0
Views: 170
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Forum: In Memoriam Posted: Sun Jan 14, 2024 08:47 Subject: Robert Raymond |
Robert (Bob) Raymond, a prolific AEHS author, died on 4 Nov 2021. Bob combined the knowledge, experience, curiosity and analytical skills necessary to write a number of articles that investigated aspe ... |
Topic: Axial and centrifugal compressors in the same engine |
kmccutcheon
Replies: 9
Views: 4699
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Forum: Gas Turbines Posted: Fri Dec 01, 2023 22:04 Subject: Re: Axial and centrifugal compressors in the same engine |
I have noticed that some turbo shaft and turbo prop engines have both a axial and centrifugal compressor. Any reason for this type of construction? A few examples of this are the P & W PT6 serie ... |
Topic: Video about TC-18 |
kmccutcheon
Replies: 2
Views: 414
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Forum: Wright Engines Posted: Sun Nov 19, 2023 05:37 Subject: Video about TC-18 |
Thanks for posting that.
I like Greg's work; he presents things in context and does a good job of explaining complex topics. |
Topic: Seeking Wright Engine Specifications |
kmccutcheon
Replies: 5
Views: 1591
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Forum: Wright Engines Posted: Tue May 09, 2023 20:27 Subject: Seeking Wright Engine Specifications |
Thank you! |
Topic: Wrong ADI fluid causes engine failure |
kmccutcheon
Replies: 4
Views: 5035
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Forum: Authors' Corner Posted: Sun Apr 30, 2023 20:53 Subject: Wrong ADI fluid causes engine failure |
One little noticed form of water injection was used on international variants of the DC-8...
Tony,
That is quite a story. Ingenuity knows no limits! |
Topic: Bristol Cherub |
kmccutcheon
Replies: 2
Views: 759
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Forum: British Engines Posted: Sun Mar 12, 2023 16:17 Subject: Re: Bristol Cherub |
Thanks for the article on the Bristol Cherub. Seems fitting that Bristol would make such a complicated valve drive mechanism!
Actually, it is quite simple... Think about the parts count. There are ... |
Topic: R-4360 Direct Fuel Injection |
kmccutcheon
Replies: 2
Views: 763
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Forum: Pratt & Whitney Engines Posted: Sun Nov 27, 2022 19:02 Subject: R-4360 Direct Fuel Injection |
I've sent a few emails asking about direct-injection experience. It appears that the B-36 was the only user of P&W direct-injection R-4360s. Thus far, no response from anyone who worked on them. |
Topic: Can Anyone Identify This Engine? |
kmccutcheon
Replies: 3
Views: 1391
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Forum: Non-Technical Discussion Posted: Sun Oct 02, 2022 07:31 Subject: Can Anyone Identify This Engine? |
Mike,
I identified it as a Lamabert 90, which I believe was a later instantiation of the Velie M-5. How does one tell the difference? |
Topic: Can Anyone Identify This Engine? |
kmccutcheon
Replies: 3
Views: 1391
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Forum: Non-Technical Discussion Posted: Mon Sep 19, 2022 08:26 Subject: Can Anyone Identify This Engine? |
From a photo taken at Parks Air College, St. Louis, Missouri c 1930.
https://www.enginehistory.org/BBimages/IMG_2712.jpg |
Topic: Paul Palmgren |
kmccutcheon
Replies: 0
Views: 680
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Forum: In Memoriam Posted: Sat Sep 03, 2022 09:37 Subject: Paul Palmgren |
I am saddened to report that Paul Palmgren passed away on 25 July.
Paul was an AEHS Charter Member who assisted the Society in so many ways. He helped locate and plan our first Convention. He wrote a ... |
Topic: Researching at National Archives - Current Status |
kmccutcheon
Replies: 1
Views: 658
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Forum: Help with Projects, Research, Finding Information Posted: Mon Aug 01, 2022 08:14 Subject: Researching at National Archives - Current Status |
Thank you, Paul.
Every tip helps navigate this tough time for research. |
Topic: Anyone Work on Pratt & Whitney J57 or JT3C? |
kmccutcheon
Replies: 0
Views: 781
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Forum: Gas Turbines Posted: Thu Jul 14, 2022 06:00 Subject: Anyone Work on Pratt & Whitney J57 or JT3C? |
An author researching a book is looking to interview persons who worked on the subject engines. If you care to participate, please contact the AEHS. |
Topic: Seeking Wright Engine Specifications |
kmccutcheon
Replies: 5
Views: 1591
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Forum: Wright Engines Posted: Thu Jul 07, 2022 08:03 Subject: Seeking Wright Engine Specifications |
Thank you jriend and sithomas for the suggestions.
Unfortunately, neither source produced anything helpful, as I was looking for Duplex Cyclone 972TC18DA and 988TC18EA performance data.
I was succes ... |
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