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Torque Meter
Journal of the Aircraft Engine Historical Society
For seven years the AEHS published a prestigious quarterly journal, Torque Meter, which contained articles on all types of aircraft engines, both new and old. Topics included engines and the aircraft they powered with emphasis on the engine installation, propellers, accessories, cooling, operation, and maintenance.
Torque Meter is no longer published. However,
All Torque Meter Back Issues Are Still Available!
Searchable Torque Meter Table of Contents
Volumes 1-7 (2002-2008) (488 K PDF)
Compiled by Jim Strobeck
Searchable Torque Meter Alphabetic
Feature and Column Index (106 K PDF)
Compiled by Sandy Skinner
Most new articles are now published in the Members' Section
AEHS Members also have access to the Members' Bulletin Board
Join AEHS Now!
Help Needed:
Bristol Centaurus
An Australian group is overhauling a Type 18 Bristol Centaurus engine. The intention is to return this engine back to Airworthiness, and then be reinstalled back into the Sea Fury that is also being overhauled to Airworthy standard.
Whilst we do have some parts and information for this job, we would like to know more! If anyone has information, or knows of someone that may be familiar with the machining process involved in the manufacture of the sleeves, and even the machines used for this job, it would be greatly received and very much appreciated.
We do have some information (metallurgy content , tolerances) but we would
like some of the finer details of the machining process, and the machines
they were produced on. If anyone has this information, please pass it on via
Thank you.
David Bienvenu
Rolls-Royce Merlin Book
The Rolls-Royce Heritage Trust is putting together a book about the Merlin engine. We would like to include a list of surviving engines, and to this end any help would be appreciated.
All that is required is the mark and serial number of the engine, be it airworthy, on display, in a museum aircraft or in private ownership. Engines must be complete or substantially complete - no wrecks. All marks are eligible for engines made in the UK, USA and Australia.
We hope to collect serial numbers of all Packard Merlins, including the -3, -7 and -9s, etc., in Mustangs/museums/privately owned (even those built by Continental). Any such knowledge about Merlins other than those in USA/Canada would also be helpful.
If anyone would like to provide me with such details they can e-mail me
through
Dave Birch, Rolls-Royce Heritage Trust
In order to conserve bandwidth, many of the images and references provided by the Aircraft Engine Historical Society require the use of Portable Data Format (.pdf) and Tagged Image Format (.tif) file readers. Readers for these file formats can be downloaded free of charge by clicking on the icons below.
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We Need Your Help!
Please help the Aircraft Engine Historical Society achieve its mission. We need donations (click here to donate) and we need material for publication on this web site. If you wish to contribute material, you can find submission guidelines here. Please feel free to contact us about your article ideas.
Webmasters: Please feel free to link to this page of the AEHS site. Other pages may change and should not be linked.
03-06-2010 - Manufacturing the Rolls-Royce Merlin, Part 2 (Members Section)
03-04-2010 - Test Report on the Szydlowski-Planiol Supercharger, with Critique by Jerry Wells
03-02-2010 - Bristol Centaurus Cutaway by Brian Peaden
02-21-2010 - Manufacturing the Rolls-Royce Merlin, Part 1 (Members Section)
02-04-2010 - Engine Related Records in the UK National Archives at Kew
01-24-2010 - Book Review: The Engines of Pratt & Whitney
01-24-2010 - Restorations: Napier Lion
01-23-2010 - XF-84H Propulsion, by John Leonard
01-10-2010 - Reno - 2009 (Members Section)
12-30-2009 - Engine Installations (Members Section)
12-29-2009 - New Links
11-22-2009 - SNECMA ATAR 9C as Used in the Mirage III
11-21-2009 - Table of US Engine Details, provided by Larry McClellan (PDF, XLS)
11-15-2009 - The Westinghouse Aviation Gas Turbine Division 1950-1960
11-07-2009 - Rolls-Royce Tyne Mk 22 as used on the Transall C160Z
10-25-2009 - The Engines of Brodhead, The Opposed (Members Section)
10-09-2009 - The Engines of Brodhead, The Radials (Members Section)
10-04-2009 - New Features - Members' Projects First Engine Runs
09-12-2009 - Queensland Air Museum, by Bruce Vander Mark
09-11-2009 - Report from the Sixth Annual AEHS Convention
09-06-2009 - The Engines of Brodhead, The Vees (Harroun, Hispano-Suiza, OX-5, etc.) (Members Section)
08-29-2009 - Book Review -- A Technical & Operational History of the Liberty Engine
08-25-2009 - Book Review -- Olympus
08-25-2009 - General Aviation Piston and Turboprop Images
08-24-2009 - Gas Turbine Observations
08-22-2009 - How Many Valves?, by Kevin Cameron (History of Number of Valves per Cylinder, Members Section)
08-22-2009 - The Engines of Brodhead, a Photo Essay by Richard E. Loftis (Members Section)
07-09-2009 - Merlin 23 Images, New Reference Links
06-30-2009 - Western Canada Aviation Museum, Rotax 912
06-28-2009 - Book Reviews -- The Merlin in Perspective, Sectioned Drawings of Piston Aero Engines
06-25-2009 - The WW I Austro-Daimler Aero Engines of Ferdinand Porsche
06-02-2009 - Book Review -- Flow Matching of the Stages of Axial Compressors
05-26-2009 - Boeing Model 377 Stratocruiser Propeller Woes, by Carl Kuhns (128K PDF)
05-26-2009 - The Engineering Division W-1: A Tale of Great Expectations, by Robert J. Neal (Members' Section)
05-11-2009 - Links, R-4360 Cutaway
04-27-2009 - Members' Section Added to the AEHS Web Site
03-01-2009 - Book Reviews -- The Vital Spark!, The Merlin 100 Series
02-23-2009 - R-4360 Service History for C-97 and KC-97 Aircraft in Air National Guard Units
02-08-2009 - Blower Drive Failures in Wright Turbo-Compound Engines
01-19-2009 - Aeroproducts Propeller Failure
01-12-2009 - Book Review -- The Rolls-Royce Dart
01-01-2009 - Individual Torque Meter Volume 7 (2008) Issues Available
12-31-2008 - The Liberty Engine and Torsional Vibration by Robert J. Raymond
12-15-2008 - Torque Meter Table of Contents, Volumes 1-7
12-01-2008 - Book Review -- Rolls-Royce and the Rateau Patents
11-30-2008 - 3,162 Citations Added to the USAF Engineering Division Finding Aid
10-06-2008 - Book Review -- Rolls-Royce on the Front Lines
08-24-2008 - Ken Royce 5F
07-24-2008 - Book Review -- The Rolls-Royce Spey
07-06-2008 - Book Reviews -- Frank Whittle: Invention of the Jet, The Allison Engine Catalog: 1915-2007
07-05-2008 - New Links: Bristol Aero Engine Collection, Siemens Engines
05-21-2008 - Indexes for over 550,000 Air Force Documents
05-14-2008 - Florida Air Museum
04-03-2008 - Armstrong-Siddeley
04-02-2008 - Review of El motor de la aviación (De la "A" a la "Z" Edición "super" 2008
03-24-2008 - New V-12 Firing Orders
03-12-2008 - Additions to Propellers Section
03-10-2008 - Additions to Diesels Section
02-24-2008 - Commonwealth Aircraft Corporation
02-17-2008 - Musee de L’Air et Espace, Le Bourget, SNECMA Museum
01-14-2008 - Mighty Eighth Air Force Museum, Master Motor Builders Reviewed
01-14-2008 - New helicopter engine images from Aero-Museum of Szolnok, Hungary
12-28-2007 - Gas Turbine Blades
11-16-2007 - Science Museum Images, Including 50hp Antoinette
11-14-2007 - Napier Images
11-06-2007 - Wright Turbo Compound Facts
08-07-2007 - USAF Engineering Division Finding Aid now searches across all organizations
04-28-2007 - de Havilland Aircraft Heritage Centre Engines
03-20-2007 - Junkers Jumo 211
03-15-2007 - Power of the Past Museum
03-08-2007 - Engines in Hungarian Museums
01-25-2007 - Bristol Hercules Sounds, Rolls-Royce Derwent Mk5 Engine Model
01-18-2007 - Derby Industrial Museum and Museo Del Aire, by John Martin
01-12-2007 - Japanese Engines, Expanded Carburetor Usage Database
01-11-2007 - Jacobs Post-WWII Auction Details
10-03-2006 - The 120 HP Argyll -- Pioneer Sleeve Valve Aero-Engine
09-20-2006 - Continental IV-1430 Video (2.5 MB WMV), Chrysler XI-2220
09-19-2006 - Rare and Exotic Pratt & Whitney Piston Engines
09-18-2006 - New England Air Museum
09-17-2006 - Transport Museum, Budapest
09-02-2006 - Pratt & Whitney Customer Training Center and Museum
08-18-2006 - Report Excerpt from "Problems of Accelerating Aircraft Production During World War II"
06-22-2006 - New England Air Museum Engine List, P&W Paint Specs
02-19-2006 - Italian Engines, British Fasteners
02-06-2006 - Index to Navy ADI(k) Microfilms of German Documents
01-30-2006 - Model Engines in Barcelona
11-22-2005 - Napier
11-07-2005 - Gnome Omega Sounds
08-30-2005 - Early Jet Aircraft Mechanic
06-07-2005 - Gas Turbine Engineering Experiences
05-18-2005 - Commemorative Air Force B-29 "Fifi" Maintenance
05-11-2005 - Brian Perkins' Model Bristol Hydra
05-09-2005 - Japanese Engines (Ha32-21 and Ha32-22)
05-02-2005 - P&W J58 Images
02-01-2004 - Brian Perkins' Model Bristol Aquila and BP 75
12-01-2004 - Design Details of the Mitsubishi Kensei Engine
12-01-2004 - Design Details of the BMW-801A Engines
11-30-2004 - Messerschmitt Me-262 Airframe and Engine
10-28-2004 - USAF Case History Files Index
08-22-2004 - Excerpts from 1939 Wright Aero Installation Manual
08-11-2004 - Pratt & Whitney J58 Last Run
06-01-2004 - The Making of a Flight Engineer, Part 6
09-04-2003 - Sounds
08-13-2003 - Packard Aero Engine Statistics
01-24-2003 - Air-Cooled Aircraft Engine Cylinders
01-16-2003 - Japanese Engine Designations, SSME Conclusion
