Engine Descriptions and Maintenance Procedures

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Members: Please click on an article title; you will then be presented with a Login page.

A.B.C. Scorpion Engine Maintenance and Running Instructions Donated by William Lewis
Alfaro Engine Technical Development Report 4 Donated by William Lewis
Alfaro Engine Technical Development Report 19 Donated by William Lewis
Allison 501 Turbo-Prop Engines Donated by Albert A. Volk
Allison Background, Products, Facilities Donated by William Lewis
Allison V-3420 and DV-6840 Engine Arrangements Donated by William Lewis
Armstrong Siddeley Aircraft Engines Donated by William Lewis
Armstrong-Siddeley Cheetah IX Top Overhaul
Armstrong-Siddeley Tiger VIII Overhaul
Beardmore 120 hp Technical Notes Donated by Victor Bentley
Benz B.4 200 ps Engine Manual Donated by William Lewis
BMW 003 Engine Donated by William Lewis
BMW 003 Turbojet Design Analysis Donated by William Lewis
BMW 003 Intelligence Reports and Correspondence
BMW 018 Turbojet Design Analysis Donated by William Lewis
BMW 801 D-2 Kommandogerät (Control System)
BMW 803A Aircraft Engine
BMW 803A CAD Models
Bristol Centaurus 660 Descripton Donated by William Lewis
Bristol Centaurus V, VII, IX, XI Operating Instructions Donated by William Lewis
Bristol Hercules 100 Descripton Donated by William Lewis
Bristol Hercules XVI, XVII, XVIII Operating Instructions Donated by William Lewis
Bristol Mercury XV Pilot’s Notes Donated by William Lewis
Bristol Orion Design Notes
Bristol Sleeve-Valve Engine Reference Data Donated by William Lewis
Bristol Theseus, Proteus Description, Performance Donated by William Lewis
Bristol Siddeley Double Mamba Mk.112 Performance and Installation Data Donated by William Lewis
Caminez V-2120 Engine
Chevrolet Aircraft Engines
Clerget 110 hp Technical Notes Donated by Victor Bentley
Comet Engine Corp Double-Acting Diesel Donated by William Lewis
Continental A-40 50-hr Endurance Test Donated by Stephen Stanley
Continental A-40 Design and Machining
Continental A-Series Engines: The A-50
Continental A-Series Engines: The A-65
Continental A-Series Engines: The A75
Continental A-Series Engines: The A-80
Continental A-Series Engines: The A100
Continental A-Series Engines: Fuel Injection
Continental C-Series Engines and Their Derivatives: The C75 and C85
Continental C-Series Engines and Their Derivatives: The C-115 and C-125
Curtiss, Lawrance and Wright Engine Specifications and Images
Curtiss CD-12 Engine by Lanny Waguespack
Curtiss H-1640 Dynamometer Calibration
Curtiss OX-5 Overhaul Methods Donated by William Lewis
Rebuilding Curtiss OX Motors to Obtain Maximum Power and Reliability Donated by William Lewis
Daimler-Benz DB601A,B Details Donated by Michael Smith
Daimler-Benz DB603A Details Donated by Michael Smith
Daimler-Benz DB601, DB603, DB605, DB610 Images, Drawings and Specifications
Daimler-Benz DB 601N Installation in Messerschmitt ME 109E Donated by William Lewis
D.R.P. (Pobjoy) Aurora 150hp Aircraft Engine Donated by William Lewis
de Havilland Ghost 48 - Part 1: Engine Components
de Havilland Ghost 48 - Part 2: Lubrication, Fuel and Ignition Systems
de Havilland Gipsy 85/100hp Care and Maintenance
de Havilland Gnome P.1200 Turboprop Installation Specification Donated by Gary Fisk
Duesenberg Aircraft Engines by William Pearce
Engine Maintenance Costs by Charlie Cravens
Ford's Aircraft Engine
General Motors Research Laboratories X-250
German WWI Engine Factories (French Report) Donated by William Lewis
German WWI Propeller Factories (French Report) Donated by William Lewis
German WWI Engine Development (French Report) Donated by William Lewis
German WWI Hiero 200, 230 hp Engines (French Report) Donated by William Lewis
German WWI Basse and Selve 300 hp Engines (French Report) Donated by William Lewis
German WWI Benz 575-675 hp Engines (French Report) Donated by William Lewis
German WWI Variable-Pitch Propellers (French Report) Donated by William Lewis
German V-1 Flying Bomb
Gnome 80 hp Technical Notes Donated by Victor Bentley
Gnome 100 hp Monosoupape Technical Notes Donated by Victor Bentley
Guiberson Diesel Engine Notes Donated by William Lewis
Halford’s H.1 in America by Dave Birch
Hall-Scott A-7a Care and Operation Donated by William Lewis
Hibner Rotary Gas Engine Donated by William Lewis
Hispano-Suiza Aviation Engine Installation Donated by William Lewis
Hispano-Suiza 650 CV Types 12 Nb, 12 Nbr Description Donated by William Lewis
Hispano-Suiza 650 CV Type 12Nb Illustrated Parts Catalog Donated by William Lewis
Hispano-Suiza 650 CV Type 12Nbr Illustrated Parts Catalog (see also 650 CV Type 12Nb) Donated by William Lewis
Hispano-Suiza 650 CV Type 12Nbr Specification Donated by William Lewis
Isotta Fraschini Gamma RC.35 Air-Cooled V-12 Donated by William Lewis
Jacobs L-4, L-5, L-6 Series Specifications, Data, Installation Drawings Donated by William Lewis
Jacobs R-755
Junkers Jumo 004 Technical Description Donated by Michael Smith
Junkers Jumo 205-C and 207 Diesel Engines Outstanding Features Donated by William Lewis
Junkers Jumo 211 Photographs Donated by William Lewis
Junkers Jumo 213 Engine by Doug Culy
Junkers Jumo 211 Photographs Donated by William Lewis
Kemp Air-Cooled Aeroplane Motors Donated by William Lewis
Kiekhaefer KB7ATS Experimental Target Drone Engine Performance and Endurance Tests Donated by Tom Fey
Kiekhaefer O-45-35 Starting Tests Donated by Tom Fey
Kiekhaefer V-105-2 Calibration Donated by Tom Fey
Lambert R-266 Instruction Book
Le Rhone 80 hp Instructions Donated by William Lewis
Le Rhone 80 hp Technical Notes Donated by Victor Bentley
Lorraine 12 Eb Specification and Detailed Description Donated by William Lewis
Lorraine 12 Hfrs Specification and Detailed Description Donated by William Lewis
Lorraine 18 Kd Specification and Detailed Description Donated by William Lewis
Lorraine 1932 Engine Catalog Donated by William Lewis
Liberty Motor Donated by William Lewis
Manley Engine: Langley Memoir on Mechanical Flight
Maybach Mb IVa 260 ps Parts Catlaog Donated by William Lewis
Maybach VL-2 Manual Donated by William Lewis
McCulloch Aircraft Engines by Kimble D. McCutcheon
McCulloch O-100-1 Engine Overhaul Manual Donated by Ted Koch
McCulloch PN 10609B Starter Tests Donated by Tom Fey
McCulloch XO-50-2 Target Drone Engine Calibration Donated by Tom Fey
McCulloch XO-90-2 Target Drone Engine Qualification Test Donated by Tom Fey
McCulloch YO-100-4 Calibration and Qualification for Rotorcycle Use Donated by Tom Fey
Meccanica Verghera Agusta Aircraft Engines Donated by William Lewis
Menasco Aircraft Engnes
Murray Rotary Engines
Napier Sabre Overhaul
Napier Sabre IIA, IIB Pilot’s Notes Donated by William Lewis
Napier Sabre VA Pilot’s Notes Donated by William Lewis
Packard Articles by Robert J. Neal
   Packard as an Aero Engine Builder: 1919 - 1923
   Packard Spark Ignition Engines: 1923-1939
   The Packard Diesel
   The Packard Merlin
   Packard Gas Turbines
   U.S. Army Air Service Engineering Division W-1
Packard 1A-1237 Final Specifications Donated by William Lewis
Packard-Built V-1650, Rolls-Royce Merlin XXVII Engineering Information Donated by James Tegart
Packard Diesel DR-980 Instruction Manual Donated by William Lewis
Pobjoy Niagara I Engine Technical Certificate # 25 Donated by Paul Wells
Pratt & Whitney Canada PT6A
Pratt & Whitney Field Service Information Letters Donated by William Lewis
  No. A-296: Supercharger Drive Train Reoperation to Improve Lubrication
  No. B-557: Bendix Injection Carburetor Poppet Valve Adjustment Nut Torque Limit
  Engine Part Physical Condition Appearance Illustrations
  Engine Section Serial Numbers
  Approval of Military Engines for Civilian Use
  R-1830-92 and Other C3G Engine Service Bulletins
  R-2800-22 and R-2800-57 Intermediate Rear Case Assembly Errors
  R-2800-34 Plug in Left Generator Pad Oil Hole
  R-2800 C-series Exhaust Collector Flange Interference
  No. S-122A: Scintilla SF14RN-8 and SF14LN-8 Magneto Distributor Finger Defects
  Service Bulletin Cross Reference
  Spark Plug Testers
  Twin Wasp S13C-G Carburetor Setting
  Water Regulator and Solenoid Valve Applications
  No. 3: R-1535 Master Rod, R-1830-64 Impeller Shaft and Ball Bearing Failures
  No. 4: Sump Plug Material Change, Handling Failed Ignition and Carburetor Components
  No. 5: R-985 Intake Pipe Flange Breakage, R-2000 Inter-Rocker Hose Assembly, R-2800 Fuel Transfer Inserts
  No. 6: Shipping Cases Damaged in Transit
  No. 8: R-2800 Radio Interference
  No. 20: Air Corps Activities Visits
  No. 22: Engines, Aircraft Carburetor Settings and Notes
  No. 27: R-2800 Fuel Feed Valve Housing Seals, R-2000 Impeller/Shaft Fit
  No. 28: R-1830-64 Master/Articulated Rod Assemblies
  No. 29: R-1830-86, R-1830-88, R-2000-3 Ignition Systems
  No. 30: R-2800 Spark Plug Connectors
  No. 30: Salvage of Engines Involved in Accidents
  No. 32: Bendix Stromberg Pressure Carburetor Idle Adjustment; Carburetor Impact Tube Damage; Supercharger Regulators
  No. 34: Oil Pressure Loss in Altitude Airplane Engines
  No. 35: R-2800 Fuel Discharge Nozzles
  No. 35: Forms Reporting Material Returned by Field Representatives
  No. 39: R-1830 Ignition Lead and Intake Pipe Interference
  No. 40: R-1830 Crankshaft to Propeller Shaft Oil Transfer Pipe
  No. 41: Hycar Nylon Fuel Feed Diaphragm
  No. 42: R-1830 and R-2800 Loose Data Plates and Emblems
  No. 46: Two-Stage and Two-Speed Blower Drive Clutches
  No. 48: Approved Spark Plugs
  No. 54: Identification of Manufacturers' Field Service Representatives
  No. 64: Selective Service Act Questionnaire
  No. 70: Pratt & Whitney Engines Built by Licensees
  No. 71: "K" Airship Carburetor Air Temperature
  No. 72: Collapsible Boxes
  No. 73: Corrosion in Storage Questionnaire
  No. 74: Removal of R-2000 and R-1830 Cast Ignition Harness
  No. 78: Reporting Work Completed on Campaign Changes
  No. 79: Responsibilities of Field Men with Regard to Official Army and Navy Publications
  No. 80: Communications and Correspondence
  No. 89: Chrome Plated Top Piston Rings
  No. 90: Scintilla #47 Compound Used in R-2800 Distributor Fingers
  No. 92: New CAA Mechanic's Certificate Regulations
  No. 129: Military Engines and P&W Equivalents
  No. 131: P&W Special Representatives
  No. 132: R-2800 Hesitation and Momentary Cutting-Out
  No. 133: Request for Field Data on Cast and Forged R-2800 Cylinder Barrels
  No. 134: Engine Sudden Stoppage
  No. 135: New Idle Adjustment Method
  No. 136: Damaged Main Oil Screens When Testing Hydromatic Propellers with Engine Inoperative
  No. 137: Airplane Manufacturer's Charts
  No. 140: Notes On Spark Plugs
  No. 146: Naval Directive Requesting Power Plant Operating Instructions
  No. 147: Reporting Field Campaign Changes
  No. 148: Request for Information About Trouble with Flexible Pedestal Engine Mounts
  No. 149: Exhaust "Vee" or Chevron Clamps
  No. 150: Douglas C-47A Circuit Wire Color Scheme
  No. 152: Nose Section Stud Well Water Drain Oil Leakage
  No. 153: R-1830-43 Restricted Throttle Position in CAC B-24s
  No. 154: Request for Overhaul Tool Information
  No. 155: Cylinder Hold-Down Flange Failed Studs or Loosened Nuts
  No. 157: PWA Tool #1268 Error Correction
  No. 165: Exhaust Valve Clearance on Water-Injected Engines
  No. 168: Advance Service Bulletin #A-255 Supplement
  No. 170: Necessity for Complete Information on Crash Reports
  No. 173: R-2800 Increased Propeller Reduction Ring Gear Backlash Limits
  No. 175: Navy Approval of Pratt & Whitney Recommendations
  No. 176: Returned Parts
  No. 177: R-1830-43, -65, -67 Pressurized Magnetos
  No. 182: Aircraft Manufacturers’ Minor Claims Handling
  No. 183: Republic P-47 Turbosupercharger Operation
  No. 184: Engine Serial Numbers
  No. 190: Two-Stage Supercharger Regulator
  No. 193: Imperfections Found on New Engines
  No. 195: Receipt Acknowledgement for Parts Shipped Direct from Vendor
  No. 199: R-1830 Auxiliary Drive Failures
  No. 200: Air Express Shipment Restriction
  No. 202: Returned Parts must be handled in accordance with SIL No. 176
  No. 203: Reclamation of Worn or Damaged Parts
  No. 205: Request for Complete References when Citing Company Letters
  No. 206: Selective Service Notice to All Representatives
  No. 209: Caution when Inspecting Water Injection Diaphragms
  No. 211: New Operating Limits for Consolidated B-24 and C-87
Pratt & Whitney Engine Operation Information Letters Donated by Bob Dalton
  No. 1: Carburetor Air Temperature Measurement on Single-Row Engines
  No. 2: Fuel Pressure Limits with Pressure Injection Carburetors
  No. 3: Wasp Mag Check; Twin Wasp CHT Limits; Wasp Major Torquemeter Constants
  No. 4: Icing with Float Type Carburetors
  No. 5: Practice Feathering and Unfeathering Procedures
  No. 6: Reverse Pitch Propeller Operation
  No. 7: Runaway Propeller Procedure
  No. 8: High-Blower Takeoff Carb Air Temp Limits
  No. 9: Commercial Engine Rating Definitions
  No. 10: Preflight Power Checking
  No. 11: Magneto Check During Flight
  No. 13: Engine Overspeeding
  No. 14: Checking Propellers after Reverse Pitch Operation; Firewall Shutoff Valve Operation
  No. 15: Fuel Boost Pump Use
  No. 16: Double Wasp CA Power Loss in Moist Air
  No. 17: Mixture Strength Effect on Cylinder Head Temperature and Horsepower
  No. 18: Idle Mixture Setting
  No. 19: Detonation and Preignition
  No. 20: Full Takeoff Power Use
  No. 20a: Engine Rating, Limits and Power Control
  No. 21: Transport Carburetor Setting
  No. 21a: Cruise Mixture Setting Using Torque Pressure Drop
  No. 22: Manifold Pressure versus RPM at Part Throttle
  No. 23: Extinguishing Blower Fires During Starting
  No. 24: Prestart Engine Procedure
  No. 25: Minimum Manifold Pressure
  No. 26: Emergency Use of Prime During Icing Conditions
  No. 27: Water Injection
  No. 28: Double Wasp CB Mixture Settings at Maximum Continuous Power
  No. 29: Carburetor Preheat Use Before Takeoff
  No. 30: PWA Operating Instructions for Military R-985 Models
  No. 31: Cruise Spark Advance
  No. 32: Effect of Fuel Grade on Engine Performance
  No. 33: Overboost Limits
Pratt & Whitney JT-3 Disassembly
Pratt & Whitney R-4360 Engine Exploded Views Donated by Bruce Vander Mark
Pratt & Whitney R-4360 Valve Train Development
Pratt & Whitney T34 Drawings
Pratt & Whitney TF30-12, -12A Engine Characteristics Card Donated by Michael Smith
Pratt & Whitney TF30-P-1, -1A Engine Characteristics Card Donated by Michael Smith
Pratt & Whitney Valve Adjustment Guides
R.A.F. 1a 90 hp Technical Notes Donated by Victor Bentley
R.A.F. 3a 200 hp Technical Notes Donated by Victor Bentley
Ranger L-440 Specifications and Internal Details Donated by Michael Smith
Ranger SVG-770 Internal Details Donated by Michael Smith
Renault 80hp Engine Instruction Donated by Michael Wessner
Renault 150hp Engine Instruction Donated by Michael Wessner
Righter 2-GS-17 Series 41 and 42 Engine Specification Donated by Ted Koch
Righter O-15-1 Engine Operation and Maintenance Instructions Donated by Ted Koch
Rolls-Royce Conway Part 1: Overview, Compressor, Combustion, Turbine
Rolls-Royce Conway Part 2: Accessory Drives, Fuel System
Rolls-Royce Conway Part 3: Oil, Starting and Air Systems
Rolls-Royce Conway Part 4: Operation
Rolls-Royce Conway Part 5: Bomber Installations
Rolls-Royce Conway Part 6: Transport Installations
Rolls-Royce Merlin Folio of Design, Installation, Running and Maintenance Notes Donated by William Lewis
Rolls-Royce Merlin Pocket Folio of Dismantling, Erecting and Repair Notes Donated by William Lewis
Rolls-Royce Merlin Model Differences and Timing Donated by William Lewis
Rolls-Royce Merlin II, III, IV Pilot’s Notes Donated by William Lewis
Rolls-Royce Merlin 500 as Fitted to York Aircraft Donated by William Lewis
Rolls-Royce Merlin XX Installation, Mechanism, Carburetion and Lubrication Diagrams - AP 1590G
Rolls-Royce Vulture II and IV Description Donated by William Lewis
Siddeley Puma 240 hp Technical Notes Donated by Victor Bentley
Studebaker XH-9350 Aircraft Engine
Szekely SR3-Model-L, -O Instruction Book Donated by Gary Van Farowe
Turbomeca Artouste Airborne Auxiliary Power Plant
Union Aircraft Engine Installation, Operation and Care Donated by William Lewis
Westinghouse J46
Westinghouse XJ40-WE-1 Engine Characteristics Card Donated by Michael Smith
Wright Aero YJ67-W-3 Engine Characteristics Card Donated by Michael Smith
Wright Aero YT47-W-1 Engine Characteristics Card Donated by Michael Smith
Wright Aero YT49-W-1 Engine Characteristics Card Donated by Michael Smith
Wright Cyclone 18 Fuel Injection and Low Tension Ignition Donated by William Lewis
Curtiss-Wright Exhaust System Investigations Donated by William Lewis
Curtiss-Wright Maintenance Considerations in Design Donated by William Lewis
Wright Gipsy Installation, Inspection and Maintenance Instructions
Wright Gipsy History
Wright R-3350 Engine Exploded Views Donated by Bruce Vander Mark
Wright Specification Preparation
Wright Supercharger Principles
Wright TC18EA Cutaways and Schematics
Wright Turbo Compound Power Recovery Turbine Removal and Disassembly
Wright TC18: Theory of Operation
Wright TC18: Troubleshooting for Optimum Performance
Wright TC18: Facts
Curtiss-Wright 1953 Airline Engineering and Maintenance Meeting Minutes Donated by William Lewis
   Contents, Opening Remarks (pp Cover - 5)
   I. Front Section (pp 6-16)
   II. Power Section (pp 17-59)
   III. Cylinder Assembly (pp 60-99)
   IV. Supercharger (pp 99-112)
   V. Rear Section (pp 113-121)
   VI. Lubrication (pp 121-157)
   VII. Carburetion (pp 157-194)
   VIII. Ignition (pp 195-213)
   IX. Exhaust System (pp 214-223)
   X. Cylinder Heads (pp 223-235)
   XI. General Maintenance Problems (pp 236-243)
   XII. General Operating Problems (pp 243-267)
   XIII. Miscellaneous (pp 267-286)
Zeitlin Aero Engine Donated by William Lewis
Additional Engine Descriptions and Maintenance Procedures

Engine Sales Brochures and Company Publications

This great collection of engine sales brochures includes images, specifications, construction details and performance charts for rare and not-so-rare engines and propellers. These are part of the AEHS Document Collection.

The pages listed below are available only to AEHS Members. You must join the AEHS in order to view them.
Members: Please click on an article title; you will then be presented with a Login page.

Engine Company Employee Publications
A.B.C. Hornet Engine Brochure Donated by William Lewis
A.B.C. Scorpion Engine Brochure Donated by William Lewis
American Airlines Douglas DC-7 Introduction and Description Donated by William Lewis
Bliss Jupiter Aircooled Radial Aero Engine
Bliss Titan Aircooled Aero Engine
Bristol at War and the Future Donated by William Lewis
Bristol Orpheus Description Donated by William Lewis
Bristol Sleeve Valve Aero Engine Brochure Donated by William Lewis
Bristol Sleeve-Valve Aero Engine Specifications Donated by William Lewis
Bristol Sleeve Valve and Turbine Engines
Burlat Moteurs Rotatifs Donated by William Lewis
Continental Aircraft Engines for Utility Planes Donated by Earl Lock
Continental Engine Price List, 1952 Donated by Scott Rodriguez
de Havilland Propeller Brochure
Description du Moteur Rotatif Burlat Donated by William Lewis
Caminez (440-C) Engine
Continental Aircraft Engines
de Havilland Gipsy Aero Engines
de Havilland Gipsy 100hp Aero Engine Brochure
de Havilland Propeller Brochure
Fiat Engines at the Second Annual New York Aviation Show
Frederickson Model 5A 2-Cycle 5-Cylinder Rotary Engine
General Electric Jet Propulsion circa 1979 Donated by Dale Gillmore
General Electric Jet Propulsion circa 1983 Donated by Dale Gillmore
Grant Marine Brochure (Curtiss and Liberty Marine Conversions) Donated by William Lewis
Isotta Fraschini Moteurs D'Aviation
Italian Aircraft Engines, 1939 (Alfa Romeo, Fiat, Isotta Fraschini, Piaggio) Donated by William Lewis
Junkers Jumo 205 Brochure Donated by William Lewis
Junkers Jumo 211A Brochure Donated by William Lewis
Junkers Jumo 211B, D Brochure Donated by William Lewis
Junkers Jumo 211B/D, G/H Brochure Donated by William Lewis
Kinner C-5 210 hp Aircraft Engine
Le Quadri-Moteur Breguet Brevet Bugatti
Les Productions Farman Department Moteur
Lockheed Model 1449 Super Constellation Turboprop with P&W T34 Donated by William Lewis
Maybach VL-1 Brochure Donated by William Lewis
Maybach VL-2 Brochure Donated by William Lewis
Menasco M-50 Engine
Metal Propellers Ltd Donated by William Lewis
Metal Propellers Ltd Advertisement Donated by William Lewis
Moore-Power Three-Valve Engine
Moteurs Train Aviation Donated by William Lewis
Oldsmobile and the Rolls-Royce Merlin Engine Donated by William Lewis
Packard - Master Motor Builders
Packard Diesel Aircraft Engine
Pratt & Whitney Aeronautical Engines for Every Purpose
Pratt & Whitney Family Day Brochure, 1944
Pratt & Whitney ‘CA’ Double Wasp Inside Information Donated by James Tegart
Pratt & Whitney R-4360 Brochure Donated by William Lewis
Riedel Model RBA/S10 Two-Cylinder Engine Starter Donated by William Lewis
Rolls-Royce Dart Propeller Turbine Aero Engine Brochure Donated by Michael Smith
Rolls-Royce Nene Turbo Jet Aero Engine Brochure Donated by Michael Smith
Rover (R-267) Aviation Engine
Schubert Valveless Engine Donated by William Lewis
Scott Flying Squirrl Light Aero Engine (16/34 bhp) Mark A.2.S Donated by William Lewis
Siemens Sh 20 Aircraft Engine Donated by William Lewis
Skymotor Aircraft Engines Donated by William Lewis
Moteur Sarolea type Epervier Donated by William Lewis
Sunbeam-Coatalen Aero Engines Donated by William Lewis
Super Rhone Radial Aircraft Engine Donated by William Lewis
Sturtevant Model 5A, 5A-4 1/2 Airplane Engines
Tank Aero Engine Donated by William Lewis
Thomas Aeromotors Donated by William Lewis
Moteur L.V. Thomas 2T-SS (2 Temps - San Soupapes) Donated by William Lewis
Moteur A.L. Varcin A Crémailéres et Secteurs de Renversement de Mouvement Donated by William Lewis
Velie 70hp Aircraft Motor Donated by William Lewis
Walter NZ 120/135 hp Licensed by Spartan
Weir Aero Engine Donated by William Lewis
U2 Leichtflug Motor Donated by William Lewis
United Aircraft Corp at War
Western Airplane Motor Donated by William Lewis
Westinghouse Turbojet Engines Donated by Earl Lock
Wolverine Aero 25-30hp Aircraft Engine Donated by William Lewis
Wright Cyclone Engine Brochure (R-1750), 1928 Donated by William Lewis
Wright Cyclone Engine Brochure (R-1750), 1930 Donated by William Lewis
Wright Cyclone Engine Brochure (R-1820), 1930 Donated by William Lewis
Wright Cyclone Engine Brochure (R-1820), 1933 Donated by William Lewis
Wright F-50 Series Cyclone Engine Brochure (R-1820), 1935 Donated by William Lewis
Wright G Series Cyclone Engine Brochure (R-1820), 1936 Donated by William Lewis
Wright G-100 Series Cyclone Engine Brochure (R-1820), 1938 Donated by William Lewis
Wright G-200 Series Cyclone Engine Brochure (R-1820), 1939 Donated by William Lewis
Wright Cyclone Powered Aircraft, 1937 Donated by William Lewis
Wright Whirlwind and Cyclone Airline Service, 1938 Donated by William Lewis
Wright Cyclone (R-1820-F) Serial Numbers, 1935 Donated by William Lewis
Wright Cyclone C9GC Serial Numbers, 1953 Donated by William Lewis
Wright Cyclone 9HE Serial Numbers, 1949 Donated by William Lewis
Wright Cyclone R-1750 Serial Numbers, 1931 Donated by William Lewis
Wright Cyclone 9 Power Unit for Douglas DC-4 Donated by William Lewis
Wright Cyclone 9HE Engins for the Douglas Super DC-3 Donated by William Lewis
Wright-Tuttle (Renard License) Aircraft Motor Donated by William Lewis
Wright Whirlwinds 320 and 450
Zundapp 50ps Flugmotor Donated by William Lewis