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Log in| Search found 27 matches |
| Author | Message |
|---|---|
 Topic: Turbocharging vs. mech stage + exhaust thrust |
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| sithomas Replies: 13 Views: 12125 |
 Forum: Technical Discussion Posted: Mon Jul 08, 2024 13:14 Subject: Turbocharging vs. mech stage + exhaust thrust |
| Only 19 years late, but for those in Canada (and likely many other countries except the US) the report can be found here:
https://hdl.handle.net/2027/mdp.39015024198973 A VPN may prove beneficial. ... |
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| Topic: "Engines-The Search for Power"/John Day (Hamlyn, 1 |
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| sithomas Replies: 3 Views: 5278 |
Forum: Book, Mags, Films, Recordings, Reference Posted: Mon Feb 12, 2024 13:49 Subject: "Engines-The Search for Power"/John Day (Hamlyn, 1 |
| Direct from the book:
"It was eventually succeeded by the Napier Sabre, whose design by F.B. Halford began in the mid-1930s with a planned power output of 2,000 hp (1,492 kW). Eventually this 24 ... |
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| Topic: Cosmos Mercury - Valves per Cylinder? |
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| sithomas Replies: 3 Views: 1753 |
Forum: British Engines Posted: Wed Jan 31, 2024 20:33 Subject: Cosmos Mercury - Valves per Cylinder? |
| That is excellent! Thank you. | |
| Topic: Info on German WWII piston aero-engines. |
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| sithomas Replies: 3 Views: 9534 |
Forum: DB, Junkers, Other German Engines Posted: Sun Dec 17, 2023 18:07 Subject: Info on German WWII piston aero-engines. |
| There is some good information on DB and Junkers motors buried in this Museum library.
https://muzeumlotnictwa.pl/digitalizacja/index.php?/category/40 |
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| Topic: Seeking Wright Engine Specifications |
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| sithomas Replies: 5 Views: 2250 |
Forum: Wright Engines Posted: Tue May 09, 2023 19:38 Subject: Seeking Wright Engine Specifications |
| From Curtiss-Wright document "Trouble Shooting for Optimum Performance" Page 7
https://i.ibb.co/0Yp8ZLP/TC.jpg[/img] |
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| Topic: Lockland Investigation - Arthur Nutt Papers |
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| sithomas Replies: 1 Views: 903 |
Forum: Wright Engines Posted: Tue Mar 14, 2023 11:28 Subject: Lockland Investigation - Arthur Nutt Papers |
| I found an interesting document at the NASM in Arthur Nutt's personal papers, which are available here:
https://edan.si.edu/slideshow/viewer/?eadrefid=NASM.1987.0115_ref265 It was interesting to ... |
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| Topic: Bristol Cherub |
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| sithomas Replies: 2 Views: 1470 |
Forum: British Engines Posted: Tue Mar 14, 2023 10:42 Subject: Bristol Cherub |
| Looking back, you are correct about the valve drive mechanism. "Unorthodox" would be more appropriate rather than "complicated".
Do any other aero engines use torsion drive for ... |
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| Topic: Bristol Cherub |
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| sithomas Replies: 2 Views: 1470 |
Forum: British Engines Posted: Sun Mar 12, 2023 14:14 Subject: Bristol Cherub |
| Thanks for the article on the Bristol Cherub. Seems fitting that Bristol would make such a complicated valve drive mechanism!
I am still trying to figure out how it works. From what I can figure fr ... |
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| Topic: Looking for a Bristol Perseus |
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| sithomas Replies: 0 Views: 1045 |
Forum: Wants Posted: Fri Aug 12, 2022 12:35 Subject: Looking for a Bristol Perseus |
| I know this is impossible, however if anyone knows of a Bristol Perseus looking for a new home then please contact me.
Condition and completeness are not important, I'd even love individual parts. A ... |
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| Topic: Seeking Wright Engine Specifications |
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| sithomas Replies: 5 Views: 2250 |
Forum: Wright Engines Posted: Wed Jul 06, 2022 17:59 Subject: Seeking Wright Engine Specifications |
| I found that many US Navy aeroplane manuals have good engine information.
Some details and the performance curve for the CB18A / R-3350-35A is in here: https://www.avialogs.com/aircraft-l/lockheed ... |
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| Topic: What was the Most Important development in Piston Aero Engin |
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| sithomas Replies: 8 Views: 3071 |
Forum: Non-Technical Discussion Posted: Thu Jun 16, 2022 21:03 Subject: What was the Most Important development in Piston Aero Engin |
| In addition to the good suggestions above, I would add
a) Reduction gear, particularly the Farman type b) main bearings with indium c) dual plug cylinders d) oil improvements over time e) dampers ... |
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| Topic: What book is this page from? Bristol Centarus Sleeve layout |
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| sithomas Replies: 4 Views: 2611 |
Forum: Book, Mags, Films, Recordings, Reference Posted: Mon May 30, 2022 10:46 Subject: What book is this page from? Bristol Centarus Sleeve layout |
| If anyone is interested, this figure isn't in the 5th edition.
I found a 4th edition and it is now on its way. The 4th edition isn't cheap! I am not looking forward to explaining to SWMBO why I nee ... |
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| Topic: Cosmos Mercury - Valves per Cylinder? |
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| sithomas Replies: 3 Views: 1753 |
Forum: British Engines Posted: Mon Apr 18, 2022 11:58 Subject: Cosmos Mercury - Valves per Cylinder? |
| How many valves per cylinder did the Cosmos Mercury have?
Wiki states two ( https://en.wikipedia.org/wiki/Cosmos_Mercury ) Flight July 3, 1919 page 871 states three. ( https://web.archive.org/web/ ... |
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| Topic: What book is this page from? Bristol Centarus Sleeve layout |
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| sithomas Replies: 4 Views: 2611 |
Forum: Book, Mags, Films, Recordings, Reference Posted: Thu Jan 27, 2022 20:57 Subject: What book is this page from? Bristol Centarus Sleeve layout |
| Thank you!
I haven't bought an engine book for weeks - time to right that wrong. |
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| Topic: What book is this page from? Bristol Centarus Sleeve layout |
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| sithomas Replies: 4 Views: 2611 |
Forum: Book, Mags, Films, Recordings, Reference Posted: Thu Jan 27, 2022 09:54 Subject: What book is this page from? Bristol Centarus Sleeve layout |
| I am hoping someone can tell me what book this page is from:
https://live.staticflickr.com/65535/51845259672_17b0b0faf5_c.jpg I found it on the Home Model Engine Machinist forum, but my attempts t ... |
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