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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.

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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.
We also need to borrow and scan your very rare manuals (Napier Sabre Overhaul, Napier Dagger, etc.). We have access to the more common ones.

Webmasters: Please feel free to link to this page of the AEHS site. Other pages may change and should not be linked.

06-17-2013 - Werner J. Blanchard, the Man Behind Aeroproducts Propellers
06-14-2013 - Wonderful BBC Documentary on the Supermarine Spitfire --- its People and Engines
06-09-2013 - McCook Field's 1918 Propeller Testing Laboratory (Members Section)
05-27-2013 - New Additions to Tom Fey’s Righter 2-GS-17 Restoration (Members Section)
05-26-2012 - The Curtiss-Wright Cyclone 7
05-26-2013 - Green G4-35 Images added to Royal Air Force Museum London (Hendon) Gallery
05-11-2013 - The UK National Archives at Kew - Your First Visit, by David Birch
05-03-2013 - Sorted List of Engines in Museums Worldwide
04-20-2013 - More Images of Andy Lloyd's 1913 Chalmers
04-20-2013 - New Additions to Tom Fey’s Righter 2-GS-17 Restoration (Members Section)
04-13-2013 - Fairchild (Ranger) Engines
04-11-2013 - German WWII Aircraft Engine Production
04-06-2013 - Jacobs Engines
04-02-2013 - New Additions to Tom Fey’s Righter 2-GS-17 Restoration (Members Section)
04-01-2013 - Numerous Engine Picture Captons Corrected (kudos to Fred van der Horst)
03-28-2013 - New Wright Dataplates
03-27-2013 - Added new museums in Germany to AEHS List of Engines in Museums
03-26-2013 - Added new museums in Austria, Belgium, Hungary, Italy, The Netherlands, Poland, Slovakia and Spain to AEHS List of Engines in Museums
03-25-2013 - Pratt & Whitney R-1830-43 Disassembly, Inspection and Reassembly (Members Section)
03-22-2013 - Added new UK and French Museums to AEHS List of Engines in Museums
03-18-2013 - New Additions to Tom Fey’s Righter 2-GS-17 Restoration (Members Section)
03-14-2013 - Turbocharger Development and Production, 1924 - 1945 (Members Section)
03-02-2013 - Added new USA Museums to AEHS List of Engines in Museums
02-27-2013 - Updates to AEHS List of Engines in Museums
02-25-2013 - Inside the de Havilland Gyron Junior, Courtesy of Bruce Vander Mark (Members Section)
02-22-2013 - New Additions to Tom Fey’s Righter 2-GS-17 Restoration (Members Section)
02-18-2013 - The Packard Variable Speed Drive, by Jerry Wells
02-14-2013 - Update to Brian Mills’ Rolls-Royce Griffon Restoration (Members Section)
02-12-2013 - Reno 2012 Photos by Dan Whitney (Members Section)
02-10-2013 - Reno 2012 Coverage
02-02-2013 - Jimmy Doolittle's Granddaughter: The theme of this video, correctly remembering history, is what the AEHS is all about.
02-01-2013 - New Additions to Tom Fey’s Righter 2-GS-17 Restoration (Members Section)
01-30-2013 - The Engineering Division Side Type Turbocharger, 1922 - 1924 (Members Section)
01-29-2013 - AEHS Document Collection Catalog Completed
01-14-2013 - New Additions to Tom Fey’s Righter 2-GS-17 Restoration (Members Section)
01-06-2013 - US Army Air Corps Turbocharger Development, 1919 - 1922 (Members Section)
01-04-2013 - Pratt & Whitney R-4360-20 Start
01-01-2013 - New Dataplates
01-01-2013 - Curtiss-Wright XR-4090
12-31-2012 - Number of Citations in the USAF Engineering Division Finding Aid Tops 100,000
12-29-2012 - Additional Jumo 213 Images Added to Doug Culy’s Junkers Jumo 213 Article (Members Section)
12-27-2012 - Movie: Demo Run of Dan Whitney's Allison V-1710
12-25-2012 - USAF Engineering Division Finding Aid Enhancements
12-24-2012 - Streamlined Entry into the AEHS Members Section
12-22-2012 - New Additions to Tom Fey’s Righter 2-GS-17 Restoration (Members Section)
12-21-2012 - The First Turbosupercharged Aircraft Engine
12-20-2012 - New Section - Superchargers
12-12-2012 - Napier Lion Night Run (Bottom of Page)
11-29-2012 - New Additions to Tom Fey’s Righter 2-GS-17 Restoration (Members Section)
11-27-2012 - New Additions to Tom Fey’s Righter 2-GS-17 Restoration (Members Section)
11-20-2012 - Bill Pearce's Old Machine Blog (Aircraft, Automobiles and Engines)
11-16-2012 - Snecma Bibliothèque: Slow loads, finicky navigation, but be patient; it is worth the wait.
11-11-2012 - Evzen Vsetecka's Aircraft Engine Photographs: Hundreds of Rare Engines from All Over Europe
11-10-2012 - Bill Bishop's Armstrong-Siddeley Cheetah Restoration (Members Section)
11-08-2012 - Additions to Tom Fey’s Righter 2-GS-17 Restoration (Members Section)
10-26-2012 - Brian Mills’ Rolls-Royce Griffon Restoration (Members Section)
10-23-2012 - First Hucks Start in 70 Years
10-22-2012 - Brian Mills’ Bristol Hercules 216 Restoration (Members Section)
10-20-2012 - Tom Fey’s Righter 2-GS-17 Restoration (Members Section)
10-19-2012 - New! Members’ Restoration Projects (Members Section)
10-02-2012 - Japanese Ha51-01 (22-cylinder radial) Images and Ha54-01 (36-cylinder radial) specs
10-01-2012 - Book Review: Rolls Royce Piston Aero Engines - a designer remembers
09-30-2012 - Engine Images from the Osceola, Wisconsin Wheels and Wings Fly-In
09-27-2012 - Pre-WWI Engines from the Royal Air Force Museum London (Hendon), by David Birch
09-24-2012 - Cataloging of USAF Engineering Division Propeller Laboratory Memorandum Reports Begun
09-23-2012 - Cataloging of USAF Engineering Division Aircraft Laboratory Memorandum Reports Begun
09-11-2012 - AEHS Document Collection Catalog (Public Version)
09-10-2012 - AEHS Document Collection Catalog (Members Version with Access to Over 40 Engine Accessory Manuals)
09-06-2012 - Engineering Reno's Unlimited Racers - by Peter Law and Dan Whitney
09-05-2012 - Triptane --- the Super Fuel (Members Section)
08-31-2012 - New Section - Dataplates
08-25-2012 - More on the Junkers 222
08-24-2012 - Book Review - Eagle: Henry Royce's First Aero Engine
08-17-2012 - Presentations by Pete Law
08-16-2012 - AEHS Member Pete Law featured in Air and Space Magazine
07-26-2012 - Curtiss D-12 No. 1 Endurance Test Report
07-03-2012 - M-L Magneto Type ADS Manual (Members Section)
07-02-2012 - Hochleistungstriebwerke: Translated!!
07-02-2012 - AEHS 2012 Convention Presentation with Audio: The Range Extension Problem, 1939-1959, by George Cully (Members Section)
07-01-2012 - AEHS 2012 Convention Presentation with Audio: French ATAR History, by Fred van der Horst (Members Section)
06-25-2012 - AEHS 2012 Convention Presentation with Audio: A History of Aircraft Using Contra-Rotating Propellers, by Tom Fey (Members Section)
06-20-2012 - AEHS 2012 Convention Presentation with Audio: The Merlin Powerplant, by David Birch (Members Section)
06-18-2012 - AEHS 2012 Convention Presentation with Audio: Harry Ralph Ricardo, by Les Waters (Members Section)
06-16-2012 - AEHS 2012 Convention Presentation with Audio: Speed Density Fuel Controls, by Dan Whitney (Members Section)
06-15-2012 - AEHS 2012 Convention Presentation with Audio: Diesel Aircraft Engines, by Bill Brogdon (Members Section)
06-13-2012 - New Dataplates Section
06-10-2012 - Call for Information about Historic Washington National Aircraft Engine Testing Structures (home page)
06-10-2012 - New Pima Air Museum Images
06-01-2012 - Wright R-2600 Lockland Investigation, by Jay Smith
05-25-2012 - Images from the Air Force Armament Museum (Members Section)
05-24-2012 - AEHS 2012 Convention Including Images from the National Naval Aviation Museum
05-16-2012 - Ishikawajima Tsu-11
05-15-2012 - Cheetah Runs After 50 Years
04-30-2012 - Fuel Tests and Fuel Testing Methods Citations Added to Power Plant Laboratory Memorandum Reports (Document # = P41)
04-19-2012 - Catalog of Over 3,000 Reports from the USAF Flight Test Division. This is wonderful stuff!
04-15-2012 - The Curtiss CD-12 Engine, by Lanny Waguespack (Members Section)
04-04-2012 - The Junkers Jumo 213 Engine, by Doug Culy (Members Section)
03-29-2012 - Wright R-2600 Case History, by Jay Smith
03-21-2012 - Halford's H.1 in America by Dave Birch (Members Section)
03-19-2012 - New Video Link: Inside the cockpit of a DC-7B with Jeff Skiles and Sully Sullenberger.
03-10-2012 - New Pratt & Whitney R-2270 Images --- P&W's first two-row radial
03-09-2012 - Duesenberg Aircraft Engines by William Pearce (Members Section)
02-29-2012 - Surplus Merlins (Where did they all go?) (Members Section)
02-18-2012 - Hochleistungstriebwerke: 1943 paper describing different power plant types then available and new ones to be considered.
02-12-2012 - Napier Lion Gets a Test Club
02-10-2012 - New Videos
02-04-2012 - Aircraft Carburetor Air Scoops and Their Effect on Fuel-Air Ratio
02-01-2012 - Bristol Orion (Centaurus follow-on) Design Notes (Members Section)
01-26-2012 - Engine-Airplane-Carburetor Cross Reference (Members Section)
01-25-2012 - Airplane-Engine-Accessory Cross Reference (December 1943) (Members Section)
01-22-2012 - More Reno 2011 Photos (Members Section)
01-14-2012 - Reno 2011 Coverage
01-04-2012 - Napier Dagger VIII Construction Details (Members Section)
01-04-2012 - Book Review: Rocketbelt Pilot's Manual
12-31-2011 - Armstrong-Siddeley Tiger VIII Overhaul (Members Section)
12-28-2011 - Armstrong-Siddeley Cheetah IX Top Overhaul (Members Section)
12-18-2011 - General Electric CF6-50C Installed in Airbus A300B4 (Members Section)
12-14-2011 - General Electric I-16 Installation in the Bell P-59 (Members Section)
12-11-2011 - Images from the National Air and Space Museum, by John Fowler
12-10-2011 - Images from the National Museum of the United States Air Force, by John Fowler
12-05-2011 - Pratt & Whitney JT4A Installation in the Douglas DC-8 (Members Section)
11-28-2011 - Napier Dagger VIII added to 12-Cylinder Firing Order Display
11-17-2011 - El motor de la aviación: Completely Revised, Fall 2011 (Members Section)
11-14-2011 - WW1-Era Engine Images from the UK National Archives at Kew
11-13-2011 - Napier Sabre Overhaul (Members Section) Public Preview of Napier Sabre Service and Overhaul Tools
11-06-2011 - Pratt & Whitney JT4A Installation in the Boeing 707 (Membes Section)
11-05-2011 - Napier Lion Runs all Summer, 2011
10-28-2011 - Pratt & Whitney Piston Engine Production
10-23-2011 - New Features
10-22-2011 - AEHS 2011 Convention Presentation: Racing Development of the Rolls-Royce Merlin, by Dixon Smith (Members Section)
10-20-2011 - Wright's T35 Turboprop Engine, et al. — the Contest to Power the B-52
10-19-2011 - Engine-Related Records at the UK National Archives at Kew, Updated and Expanded
10-10-2011 - New Links
10-09-2011 - Correct Designations for Jet, Turboprop, Pulse Jet, Ram Jet and Rocket Engines (No dash between J, T, PJ, RJ, R and number after 15 May 1945)
09-30-2011 - Superchargers
09-23-2011 - AEHS 2011 Convention Presentation: Boeing’s Formidable B-52 Stratofortress Bomber (Members Section)
09-23-2011 - AEHS 2011 Convention Presentation: The Mighty B-52 (PowerPoint Slide Show with Music) (Members Section)
09-22-2011 - AEHS 2011 Convention Presentation: Modern Propellers for Warbirds (Members Section)
09-22-2011 - AEHS 2011 Convention Presentation: The Engine for the B-52 (P&W J57) (Members Section)
09-21-2011 - AEHS 2011 Convention Images: Flying Heritage Collection (Members Section)
09-21-2011 - AEHS 2011 Convention Images: Seattle Museum of Flight Restoration and Storage Facility (Members Section)
09-21-2011 - AEHS 2011 Convention Images: Seattle Museum of Flight (Members Section)
09-17-2011 - Carburetion
09-09-2011 - Installation Drawings for 25 Aircraft Engines from 1924
09-08-2011 - Book Review: The V12 Engine
09-04-2011 - AEHS 2011 Convention Report
09-03-2011 - Curtiss CD-12 added to 12-Cylinder Firing Order Display
09-02-2011 - Rolls-Royce Merlin Automatic Boost Control
08-31-2011 - Bristol Hercules 730 Construction Details (Members Section)
08-30-2011 - Allison V-1710 Construction and Installation Details
08-29-2011 - Pratt & Whitney H-3730 added to 12-Cylinder Firing Order Display
08-28-2011 - Pratt & Whitney X-1800 (H-2600) added to 12-Cylinder Firing Order Display
08-08-2011 - Updated List of Engines in Museums
07-23-2011 - Characteristics of Fuels
07-21-2011 - The BMW 801 D-2 Kommandogerät (Control System) (Members Section)
07-15-2011 - Lycoming XH-2470 added to 12-Cylinder Firing Order Display
07-01-2011 - Merlin vs Allison: Aircraft Engine Performance Analysis at Rolls-Royce, ca 1940 --- by Robert J. Raymond (web version)
06-21-2011 - German V-1 Flying Bomb - Construction and Power Unit (Members Section)
06-20-2011 - Manufacturing the de Havilland Gipsyqueen II - Part 3: Crankcase Top Cover, Camshaft, Gears, Final Engine Assembly and Test (Members Section)
06-18-2011 - de Havilland Comet 2 Engine Installation (Rolls-Royce Avon Mk 525)
06-16-2011 - Manufacturing the de Havilland Gipsyqueen II - Part 2: Pistons, Connecting Rods and Crankshaft (Members Section)
06-13-2011 - Vickers VC10 Engine Installation (Rolls-Royce Conway 42)
06-11-2011 - Manufacturing the de Havilland Gipsyqueen II - Part 1: Development, Features, Crankcase, Cylinder Barrel and Head (Members Section)
06-05-2011 - The Douglas XB-42 Propeller System (high-resolution version in the Members Section)
06-04-2011 - Rolls-Royce Conway
05-28-2011 - Merlin vs Allison: Aircraft Engine Performance Analysis at Rolls-Royce, ca 1940 --- by Robert J. Raymond
05-27-2011 - Comparison of Sleeve and Poppet-Valve Aircraft Piston Engines --- by Robert J. Raymond
05-24-2011 - AEHS 2010 Convention Presentation --- Shifting Gears in the Air: America and the Variable-Pitch Propeller, 1918 - 1938 (Members Section)
05-15-2011 - Daimler-Benz 600-Series Aircraft Engine Specifications
05-14-2011 - Gas Turbine and Propeller Blades from the Collection of Andrzej
05-11-2011 - Curtiss OXX Images added to Museo del Aire de Madrid
05-09-2011 - Book Review: Pioneer Mechanics in Aviation, by Giacinta Bradley Koontz
04-21-2011 - Napier Lion Runs! And Runs...
04-19-2011 - Junkers Jumo 222 Intellegence Reports
04-18-2011 - Daimler-Benz 600-Series Aircraft Engine Images
04-17-2011 - ID Unknown: can you identify these engines?
04-16-2011 - Images from the National Archives of the United Kingdom at Kew
03-31-2011 - El motor de la aviación: Revision 4 (Members Section)
03-30-2011 - El motor de la aviación: Revision 3 (Members Section)
03-29-2011 - El motor de la aviación: Revision 2 (Members Section)
03-28-2011 - El motor de la aviación: Revision 1 (Members Section)
03-20-2011 - Updates to Napier Lion Restoration
03-19-2011 - All About Allison Serial Numbers
03-18-2011 - Pressed Pistons, Part 2: Heat-treatment, Laboratory Control, Advantages of the Pressing Process (Members Section)
03-16-2011 - Pressed Pistons, Part 1: The Technique and Equipment Adopted by a Pioneer Firm (Members Section)
03-11-2011 - Powder Metallurgy (Members Section)
03-09-2011 - Steel-Tube Airscrew Blades: Production Technique of the American Propeller Corporation (Members Section)
03-08-2011 - Machining Cylinder Fins: Special-Purpose Maxicut Lathe for Aero-Engine Work (Members Section)
03-07-2011 - Magnesium Casting: Chevrolet Production of P&W Engine Parts (Members Section)
03-06-2011 - Supercharger Development in the U.S. During the Inter-War Period
03-05-2011 - Light Alloy Foundry Technique: Metal Patterns, Cores and Moulds (Members Section)
03-03-2011 - Light Alloy Forging: Large Scale Production by Chevrolet (Members Section)
02-26-2011 - British Magnesium (Members Section)
02-26-2011 - Magnesium from Seawater (Members Section)
02-26-2011 - Magnesium Surface Protection (Members Section)
02-25-2011 - Gravity Diecasting, Part 3. Ageing and Solution Treatment, Material Inspection, Five Alloy Specifications (Members Section)
02-23-2011 - Gravity Die Casting, Part 2. The Rolls-Royce Foundry Arrangement , Inspection (Members Section)
02-19-2011 - Book Review: Overhaul of Merlin Engines in India and the USSR
02-16-2011 - The de Havilland Goblin (Members Section)
02-08-2011 - Book Review: Alex Moulton: Bristol to Bradford-on-Avon---a lifetime in engineering
02-07-2011 - Notes on WWI German Superchargers, by Paul Dempsy
01-28-2011 - Book Review: The Rolls-Royce Tay Engine and the BAC One-Eleven
01-25-2011 - Book Review: Parkside: Armstrong Siddeley to Rolls-Royce, 1939 - 1994
01-16-2011 - Book Reviews: Fedden, Boxkite to Jet
12-28-2010 - R-R Merlin Gravity Diecasting (Members Section)
12-26-2010 - The de Havilland Ghost 48 (Members Section)
12-12-2010 - El motor de la aviación, Spanish, Nearly Every Aircraft Engine Ever Built, all 3,200 Pages! (Members Section)
12-12-2010 - Why Internal Combustion, by Paul Dempsy (Members Section)
11-20-2010 - Manufacturing the Armstrong-Siddeley Cheetah X (Members Section)
10-31-2010 - Fw 190 and BMW 801 (Members Section)
10-30-2010 - Hydulignum Propeller Blades (Members Section)
10-23-2010 - Material Testing (Members Section)
10-19-2010 - Homebuilt Radial, Salmson P-9
10-15-2010 - Training Female Labour (Members Section)
10-11-2010 - Propeller Blade Stress Measurement (Members Section)
10-08-2010 - Curtiss-Wright TC18DA Specifications
09-19-2010 - Manufacturing the Continental A-40 (Members Section)
09-14-2010 - Pratt & Whitney R-4360-59B Specifications
09-13-2010 - Flame Hardening: Heat-Treatment by the Shorter Process (Members Section)
09-06-2010 - Manufacturing Franklin Air-Cooled Aircraft Engines (Members Section)
08-29-2010 - Diamond Tools (Members Section)
08-24-2010 - Notes on Hispano-Suiza WW1 Engines, by Paul Dempsey (Members Section)
08-21-2010 - Propeller Manufacture: Electric Airscrews, Jablo and Steel Airscrew Blades (Members Section)
08-14-2010 - Manufacturing the S.U. Carburettor (Members Section)
08-10-2010 - Notes on Early Air-Cooled Engine Design, by Paul Dempsey (Members Section)
07-30-2010 - Hispano-Suiza 12-Y Manual Pages and Drawings (Members Section)
07-24-2010 - Wright Turbocompounds, by Carl Kuhns
06-27-2010 - Notes on the Liberty Aircraft Engine
04-30-2010 - A-12 / SR-71 Propulsion, A Photo Essay by Richard E. Loftis (Members Section)
04-24-2010 - Manufacturing the Napier Sabre (Members Section)
04-14-2010 - Manufacturing the Packard-Built Merlin (Members Section)
04-11-2010 - Manufacturing the Allison V-1710 (Members Section)
03-28-2010 - Improving the Mercedes
03-04-2010 - Szydlowski-Planiol Supercharger Test Report, with Critique by Jerry Wells
03-02-2010 - Bristol Centaurus Cutaway by Brian Peaden
02-21-2010 - Manufacturing the Rolls-Royce Merlin (Members Section)
02-04-2010 - Engine Related Records in the UK National Archives at Kew
01-24-2010 - Restorations: Napier Lion
01-23-2010 - XF-84H Propulsion, by John Leonard
12-30-2009 - Engine Installations (Members Section)
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
08-29-2009 - Book Review -- A Technical & Operational History of the Liberty Engine
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)
06-25-2009 - The WW I Austro-Daimler Aero Engines of Ferdinand Porsche
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 - R-4360 Cutaway
04-27-2009 - Members Section Added to the AEHS Web Site
02-23-2009 - R-4360 Service History for C-97 and KC-97 Aircraft in Air National Guard Units
12-31-2008 - The Liberty Engine and Torsional Vibration by Robert J. Raymond
11-30-2008 - USAF Engineering Division Finding Aid
05-21-2008 - Indexes for over 550,000 Air Force Documents
03-24-2008 - V-12 Firing Orders
02-24-2008 - Commonwealth Aircraft Corporation
03-20-2007 - Junkers Jumo 211
01-25-2007 - Bristol Hercules Sounds, Rolls-Royce Derwent Mk5 Engine Model
01-12-2007 - Japanese Engines, Expanded Carburetor Usage Database
10-03-2006 - The 120 HP Argyll -- Pioneer Sleeve Valve Aero-Engine
06-22-2006 - P&W Paint Specs
02-06-2006 - Index to Navy ADI(k) Microfilms of German Documents
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
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

... Plus much, much more that is order than two years.
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