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  Topic: Bristol Hercules
jaymerich

Replies: 2
Views: 4176

PostForum: Wants   Posted: Fri Aug 18, 2017 08:14   Subject: Bristol Hercules
Hi!: me too!
Manuals, you can find it, CD-ROM or paper versions, in ebay.com, some French sites offer documents about the SNECMA produced engines under Bristol license for the Noratlas transport.
...
  Topic: Too hard criticism of S-S-V eng in article by R J Raymond?
jaymerich

Replies: 0
Views: 2615

PostForum: Technical Discussion   Posted: Sat Jul 26, 2014 13:31   Subject: Too hard criticism of S-S-V eng in article by R J Raymond?
Hi!: some of the statements may be in contradiction with other works: both H Ricardo an M Hewland found that the mechanical losses of a SSV engine are reduced respect a Poppet-Valve engine.

Regard ...
  Topic: Trans-sonic propellers?
jaymerich

Replies: 2
Views: 3397

PostForum: Technical Discussion   Posted: Thu Aug 09, 2012 09:35   Subject: Cutted link
Hi!: I beg your pardon, as I should have had a look by myself for the subject of Trans-sonic propeller in a web browser, it would have yielded enough info for me. Another question: does it make any s ...
  Topic: Trans-sonic propellers?
jaymerich

Replies: 2
Views: 3397

PostForum: Technical Discussion   Posted: Thu Aug 09, 2012 05:47   Subject: Trans-sonic propellers?
I vaguely remember having read that during WWII, German engineers were convinced that propellers would be useful up to airplane speeds not too much below Mach-1, and also it seems that something like ...
  Topic: Continental Sleeve-Valve engines
jaymerich

Replies: 8
Views: 10718

PostForum: Technical Discussion   Posted: Wed Aug 08, 2012 19:51   Subject: Non-British Sleeve-Valve engines
The very good article by K McCutcheon on Liquid-Cooled Pratt & Whitney engines gives more than ample information about the way Sleeves were produced in the US, and with a mix of the sleeve-valve e ...
  Topic: Five-stroke double expansion engine
jaymerich

Replies: 2
Views: 5009

PostForum: Book, Mags, Films, Recordings, Reference   Posted: Wed Aug 08, 2012 19:36   Subject: 5-Stroke engine
The subject of the XIXth Century Otto three cylinder IC double expansion engine is well discussed in the book by T Suzuki "The Romance of Engines", SAE. The double and triple expansion conce ...
  Topic: Cooling fins
jaymerich

Replies: 2
Views: 4353

PostForum: Book, Mags, Films, Recordings, Reference   Posted: Wed Aug 08, 2012 19:31   Subject: P V Lamarque's on Cooling fins for motor-cycle engines
Yeah, the content of this article is different from the one by Biermann in NACA, it was published in the proceedings of the Automobile Engineers' Society (London), year session's volume.
  Topic: Cooling fins
jaymerich

Replies: 2
Views: 4353

PostForum: Book, Mags, Films, Recordings, Reference   Posted: Sat Mar 31, 2012 08:17   Subject: Cooling fins
I've finally realized that The Institution of Automobile Engineers was different from SAE, and that the article by Lamarque on cooling fins for motorcycle engines, that appears in the references list ...
  Topic: Continental Sleeve-Valve engines
jaymerich

Replies: 8
Views: 10718

PostForum: Technical Discussion   Posted: Sat Mar 31, 2012 07:51   Subject: To J Wells on Single-Sleeve-Valve engines
Hi !: thank you for your suggestion. I did make a fishing in the ESPACENET patent database, and found many of them related to SSV engines, at least I had a lot of fun doing it. I put in the Wikipedia ...
  Topic: Continental Sleeve-Valve engines
jaymerich

Replies: 8
Views: 10718

PostForum: Technical Discussion   Posted: Sun Jul 03, 2011 07:09   Subject: Continental Sleeve-Valve engines
Hi Kimble !: I read with interest the sections of the book on Continental engines and its people dealing with the subject of Single Sleeve Valve ( SSV ) engines. To my surprise, the author points that ...
  Topic: Continental Sleeve-Valve engines
jaymerich

Replies: 8
Views: 10718

PostForum: Technical Discussion   Posted: Mon May 09, 2011 01:58   Subject: Continental Sleeve-Valve engines
Thank you for your information Kimble. It was surprising to me, as my idea was that Bristol and Napier Sleeve-Valve engines were the top of aviation reciprocating engines, in terms of performance, rel ...
  Topic: Continental Sleeve-Valve engines
jaymerich

Replies: 8
Views: 10718

PostForum: Technical Discussion   Posted: Fri Jun 25, 2010 14:19   Subject: Continental Sleeve-Valve engines
When looking in patent databases, one realizes that Continental engines of USA, patented some Sleeve-Valve general aviation engines. I would like knowing if someone has data on the results obtained wi ...
  Topic: Steam in the Air book
jaymerich

Replies: 6
Views: 9393

PostForum: Book, Mags, Films, Recordings, Reference   Posted: Fri May 07, 2010 08:42   Subject: Steam in the Air book
By serendipity, I've found a picture of an steam aircraft engine, it is on show at the Warner Robins Air Force Museum, Warner Robins, GA. There's also a video of the only airplane ever flying with a ...
  Topic: Sleeve valve engines
jaymerich

Replies: 8
Views: 11897

PostForum: Technical Discussion   Posted: Mon Mar 15, 2010 17:39   Subject: New sleeve-valve research published by SAE
Good news for SV engines lovers!: SAE published a paper by Muhammad Hafidz Rahmat et al, entitled "Side Opening Intake Strategy Simulation and Validation for a Sleeve Valve Port Application" ...
  Topic: 1951 Spanish turbojet patent
jaymerich

Replies: 0
Views: 3386

PostForum: Gas Turbines   Posted: Thu Jan 28, 2010 14:02   Subject: 1951 Spanish turbojet patent
Around this date, the spanish INTA (Instituto Nacional de Tecnica Aeroespacial -National Institute for Aerospatial Technics) started the development of an oblique compressor turbojet, whose developmen ...
 
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