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  Topic: Daimler Benz vs Rolls-Royce
jwells

Replies: 6
Views: 3488

PostForum: Authors' Corner   Posted: Mon Oct 17, 2016 22:59   Subject: DB 609
Re the detail of this engine, in the book, "Power To Fly" there are TS and LS drawings of the DB 609 which clearly show:

1/ It was a 60 deg Vee, not 45.
2/ It had a cannon tunnel is the ...
  Topic: Leonides - the Alvis Aero Engine
jwells

Replies: 2
Views: 4649

PostForum: Book, Mags, Films, Recordings, Reference   Posted: Sat Sep 29, 2012 00:08   Subject: ALVIS LEONIDES
Received my copy of this book recently. Good sized volume with hard cover and dust cover as well, printed on nice shiny paper.

Binding is a bit weak. The Index pages have fallen out of my copy al ...
  Topic: Book: Report On The 260-HP Mercedes Aero Engine
jwells

Replies: 1
Views: 3377

PostForum: Book, Mags, Films, Recordings, Reference   Posted: Thu Aug 30, 2012 00:18   Subject: 260 HP DIVa Mercedes
Frank,

Interesting to hear you have an original copy of this report but it has been reproduced a few times in various publications, eg

1/ In Jane's "Fighting Aircraft of WW1" pp 209 - ...
  Topic: ALLISON V-1710 CRANKSHAFT
jwells

Replies: 0
Views: 3948

PostForum: Allison Engines   Posted: Sun Jun 03, 2012 23:43   Subject: ALLISON V-1710 CRANKSHAFT
Can anyone supply me with a picture(s) or drawing(s) of the 12 counterweight crankshaft that was used in the late model V-1710 engines?

These cranks had the counterweights cast integral with the re ...
  Topic: A.B.C. DRAGONFLY Manual
jwells

Replies: 0
Views: 3004

PostForum: Book, Mags, Films, Recordings, Reference   Posted: Mon May 21, 2012 04:45   Subject: A.B.C. DRAGONFLY Manual
Does anyone have a copy of the WW1 manual, "The A.B.C. Dragonfly Aero-Engine" July 1919?

I purchased a copy from WW1Aero a while ago but unfortunately, some pages were missing!

Pages a ...
  Topic: DUESENBERG AIRCRAFT ENGINES.
jwells

Replies: 2
Views: 3857

PostForum: Book, Mags, Films, Recordings, Reference   Posted: Sun Apr 01, 2012 22:12   Subject: DUESENBERG AIRCRAFT ENGINES.
Received my copy about a week ago from amazon.com.

Prompt delivery!

Interesting book and a valuable addition to the aircraft engine history literature.

I like these small, specific monographs ...
  Topic: French aircraft engines
jwells

Replies: 4
Views: 5450

PostForum: Technical Discussion   Posted: Mon Jan 30, 2012 23:18   Subject: Hartmann articles
First, thanks to Bill Pearce for taking the time to inform us of the existence of the Hartmann articles.

Clearly Mr Hartmann's primary interest is in float planes and their history and it is to his ...
  Topic: Any info on French Buchet 6 HP engine, 1903?
jwells

Replies: 6
Views: 6746

PostForum: Technical Discussion   Posted: Fri Nov 25, 2011 22:20   Subject: Buchet Engine
In "Les Moteurs etc" on page 50, there is a photo of a single cylinder Buchet 1901 engine installed in a dirigible.

I could photo the pic and send it to you if desired.

Also, in the sa ...
  Topic: Continental Sleeve-Valve engines
jwells

Replies: 8
Views: 11197

PostForum: Technical Discussion   Posted: Wed Jul 13, 2011 03:41   Subject: Continental Sleeve-Valve engines
Jaymerich,

A. L. Niven was the Scottish engineer who was employed by Continental to design and develop SSV engines.

During his time with Continental, he filed about 75 patents concerning SSV ...
  Topic: Daimler-Benz 603, 605 compression ratios
jwells

Replies: 2
Views: 5014

PostForum: Technical Discussion   Posted: Thu Feb 17, 2011 19:12   Subject: DB 600 series CR's
There is some documentary evidence in existence which confirms that the reason for the differential compression ratios in the DB 600 series inverted V-12 engines was due to oil control problems.

It ...
  Topic: Le Rhone Rotary
jwells

Replies: 0
Views: 4020

PostForum: WWI Engines   Posted: Wed Mar 17, 2010 18:42   Subject: Le Rhone Rotary
Can anyone direct me to a clear and concise description of the operation of the VALVE MECHANISM in the Le Rhone rotary engine?

I've looked at Page pp 831 - 9 (good drawings but poor description) an ...
  Topic: SUNBEAM ENGINES
jwells

Replies: 0
Views: 3730

PostForum: Wants   Posted: Sat Jan 16, 2010 18:33   Subject: SUNBEAM ENGINES
Apparently, there are two BRITISH SUNBEAM engines held by the French Musee de l'air et de l'space at Le Bourget airport near Paris.

One is a SUNBEAM "MAORI" and other a SUNBEAM "VIKI ...
  Topic: BOOK ON THE "PEGASUS" ENGINE
jwells

Replies: 2
Views: 4405

PostForum: Book, Mags, Films, Recordings, Reference   Posted: Mon Oct 05, 2009 23:48   Subject: BOOK ON THE "PEGASUS" ENGINE
This book by Andrew Dow is a terrific piece of research and writing.

A great addition to the stock of aero-engine literature.

Gives incredible detail on the design, development and testing of a ...
  Topic: Connnecting rods
jwells

Replies: 12
Views: 10891

PostForum: Technical Discussion   Posted: Sun Sep 13, 2009 23:50   Subject: Conn-rod arrangements
There seems to be an assumption in most of these posts that the fork-and-blade arrangement results in a shorter crankshaft as compared to the side-by-side system. Does it?

The dimensions of the co ...
  Topic: BOOK ON THE "PEGASUS" ENGINE
jwells

Replies: 2
Views: 4405

PostForum: Book, Mags, Films, Recordings, Reference   Posted: Thu Jul 30, 2009 19:38   Subject: BOOK ON THE "PEGASUS" ENGINE
Amazon.co.uk is currently taking orders for a book on the "Pegasus" VTOL engine called, "PEGASUS - HEART OF THE HARRIER" by Andrew Dow.
Publication is due in September 2009.
 
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