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  Topic: Steam in the Air book
jaymerich

Replies: 9
Views: 14874

PostForum: Book, Mags, Films, Recordings, Reference   Posted: Wed Sep 28, 2022 04:14   Subject: Steam Power
Hi!: the Steam Powered Airplane was the Besler, in an airplane originally fitted with an OX-5.
Steam cycle is inherently less efficient than Otto or other ICE, but weight of Besler steam machine was ...
  Topic: Steam in the Air book
jaymerich

Replies: 9
Views: 14874

PostForum: Book, Mags, Films, Recordings, Reference   Posted: Wed Sep 28, 2022 04:11   Subject: Steam Power
Hi!: a Chinese toy maker is offering a model Stirling Engine with the shape of a multicylinder aircraft radial engine. Salut + [/img]
  Topic: Experimental and Odd-Ball Engines
jaymerich

Replies: 6
Views: 19641

PostForum: Authors' Corner   Posted: Mon Jan 14, 2019 07:15   Subject: Unusual engines
Hi!: Douglas Self maintains an interesting page on mechanical oddities, including engines. The book: 'Some unusual engines', by J K Setright is a classic in the field.
Wobble plate motors, Scottish ...
  Topic: Wanted Bristol parts
jaymerich

Replies: 0
Views: 3597

PostForum: Wants   Posted: Tue Mar 06, 2018 01:53   Subject: Wanted Bristol parts
Hi!: someone offering a batch of six or seven workable Bristol Hercules Sleeve-Valve Cylinders, pistons, rods, junk heads, sleeves, sleeve drive mechanisms?

It's for assembling a flat-six truck or ...
  Topic: Bristol Hercules
jaymerich

Replies: 2
Views: 8110

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: 6078

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: 6829

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: 6829

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: 18281

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: 9131

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: 8391

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: 8391

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: 18281

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: 18281

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: 18281

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 ...
 
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