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   ​Robert A. Reynolds started his design and developed his rotary valve engine around 1903. He continued experimenting and perfecting this engine for eight or nine years before introducing it to the public. A 4-cylinder, rotary valve type engine was produced by a newly formed company named Reynolds Gas Engine Company. The company had M.J. Murphy who was president of the Murphy Chair Company and of the Security Trust Company as the President. The Vice President was Walter S. Russell who was also president and general manager of the Russell Wheel & Foundry Company. The board of directors includes Howard E. Coffin, vice president and consulting engineer of the Hudson Motor Car Company, George H. Cheney, Professor Herbert Saddler of the University of Michigan, and Cecil Taylor.
​
   During the development of this engine Vice-President Coffin supervised the building up of the Reynolds rotary valve engine, and this effort helped culminate the finished product of its general appearance. This engine if of the four-cylinder type with a block casting construction, and the ignition effort is done by a magneto.

   The Reynolds Gas Engine Company was located in Detroit, Michigan and two patents were located for this company. Patent number 924,382 issued on June 8, 1909 for an Internal Combustion Engine. A second patent number 1,052,530 issued on February 11th, 1913 for a Rotary Valve for Explosion Engine.
    The original Reynolds Rotary Valve Engine was introduced as a four cylinder, four stroke engine. Following "extended tests in various makes of cars with splendid results" a six cylinder version was later produced. This engine was more particularly for marine service.

​   The construction of the engine along with pictures and illustrations will give an idea of the main features. The horizontal cross shaft in the front end of the engine is driven by means of spiral gears from the crankshaft and is turn drives the magneto on one side and the water pump on the other. Incidentally, this cross shaft is also made to drive the oiler through the medium of an concentric on the same cross shaft. A vertical shaft also at the front of the engine carries a spiral gear which meshes with another at its lower end on the horizontal cross shaft. The position of this spiral will be seen on the view of the bottom of the cylinders.

​   The vertical shaft carries a spirally or angular cut gear at the top of the cylinder which meshes with the first of the train of four gears which transmit the valve drive across the heads of the cylinder to the individual valves. The valves are heavy disks which conform in the shape with the head of the cylinder.
​

   The rotary valve which seats against the head of each cylinder is allowed enough space so that there is at all times an oil film about .662 inches thick between the valves and the seat. Small holes are drilled in the faces of the valves to allow any particles of foreign material which might produce abrasion on collecting them. The segmental parts are generous in size. The opening instead of being annular as in the case of the ordinary poppet valve is an open space and there is no throttling of the gas or in pinching the stem on itself as in the case of ordinary poppet valves.

                                  -Research by Dave Ziegler
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Employee Login
  • Home
  • About
    • History
    • Our Team
    • Volunteers
  • Displays
    • Vehicles >
      • Open Wheel >
        • 1935 Miller-Ford
        • Mechanical Rabbit
        • Johnny Lightning Special
        • #8 Blue Crown Spark Plug Special
        • #45 “The Pup” Champ Car
        • Wolfgang #4 Sprint Car
        • #4 LeFevre Dirt Champ Car
        • Opperman's 4x Sprint Car
        • #1 Dunseth Sprint Car
        • #5 Randol Offy
        • 4x Sedan
        • Wolfgang 4x Sprint car
        • 4x Offset Roadster
        • #43 Christie Miller
        • #57 Plymouth STP
        • Blue Crown Special
        • Tamale Wagon
        • #11 Kinser Sprint Car
        • #1 Kodiak Special
        • Channel-Lock Special
        • Stealth Special
        • Andy Gump Sprint Car
        • #94 Kenny Weld Sprint Car
        • Black Deuce
        • #1 Delrose Holt Silver Crown
        • #30 P.O.B Sprint Car
        • #2 Watson Dirt Champ car
        • #5 Watson Roadster
        • #96 Trostle Sprint Car
        • #94 Nance Super Modified
      • Indy Pit >
        • #54 Chicago Rawhide Special
        • #81 Central Excavating Special
        • 1914 Cornelian
      • Music Room >
        • Lively Set Car
      • Bill's Garage >
        • 1953 Corvette
        • Hedy Lamarr's 1958 Cadillac
        • 1920 Model T Ford Hot Rod
        • Lady Luck T-Bucket
        • 1949 Kurtis Sports Car
        • Jack Beck's Alfa Romeo
        • 8 Ball Hudson
        • Ariel Square Four Motorcycle
        • Turbine Powered Daytona Boss
        • 2003 Honest Charley's Flathead Motorcycle
        • #2 Harley-Davidson Motorcycle
        • Coors Extra Gold "32
        • The Dale Car
        • 1966 Plymouth Hemi Belvedere
      • Land Speed >
        • MacKichan-Schulz Streamliner
        • Rossi's 1927 T Cosworth
        • Eelco Wee Eel II
        • #494 Model A Streamliner
        • #43 Creel Lakester
        • Ron Main's Flatfire Streamliner
        • HAL Dry Lakes Roadster
        • Art Gerrick's Dry Lakes Car
        • 1933 Chevy Comp Coupe
        • Seth Hammond Lakester #77
      • Safety >
        • Jack Petty Ford
      • Show Cars >
        • Bergler's 'More Aggravation'
        • Red Baron
        • 1934 "Sweet Dreams" Ford Roadster
        • "Big Daddy" Roth's Outlaw Tribute
        • 1937 Studebaker Extremeliner
        • Boothill Express
        • Fahrner's X-Ray Roadster
        • Goldbrick
        • Venus
        • Zausner Speedway Special Roadster
        • Zausner Vicky
      • Luxury Cars >
        • Tucker
        • Duesenberg Model J
        • Essence of Bucciali
      • Legends in Racing >
        • 1965 Mustang GT
        • Shelby Series 1 Roadster
        • Pumpkin Seed
      • Dragsters >
        • GMC Dragter
        • Tony Nancy Wedge II
        • 303 Roadtser
        • Smaldino & Yates "Fargo" Dragster
        • E.J. Potter's "Whizzer" Drag Bike
        • Ramcharger Funny Car
        • Swamp Rat V-B
        • 1931 Bantam Drag Car
      • NASCAR >
        • #21 Pearson Mercury
        • #26 Curtis Turner 1956 Ford Sunliner
        • 1956 Pontiac Sedan
        • Robert Yates Racing Ford
        • #9 Kasey Kahne
      • Le Mans >
        • Cadillac LMP Le Mans Prototype
      • Model T >
        • Montier Ford
        • 5 Millionth Ford
        • Lloyd Fisher Fronty Race Car & Hauler
        • #6 Voboril Brothers
        • Craig-Hunt T-Powered Race Car
        • The Galvanized Bullet
        • Twin-Engine Model T Speedster
        • Spruce Deuce
        • Mercury Speedster
        • Edsel's Hot Rod
        • Fronty-Ford #27
        • 1908 REO
        • 1886 Benz Replica
        • 1912 Indian Board Track Racer
      • Model A and B >
        • ​1931 Model A Coupe
        • Hy-Point Special
        • Red Devil Pickup
      • Flathead Ford V-8 >
        • 1950's Roaring Roadster
      • Orphan Engines (Misc.) >
        • #26 Miller Fertilizer Special
        • #60 Super Modified
        • Arnold's Auto Wrecking Jalopy
        • #2 Ranger Sprint Car
      • Quarter Midgets >
        • Micro-Sprint #95
        • 1959 Moss (1/2) Midget
        • TQ Midget
        • Offyette Quarter Midget
        • Elvis's Quarter Midget
        • Dreyer Junior Racers
        • #8 June Bug
      • Midget Racers >
        • Lloyd Axel #5
        • Edmunds-Sesco Midget
        • #97 Henderson
        • #46 Kurtis Kraft Offenhauser
        • #1 Edmunds-Kenyen
        • #10 Lynch Offy
        • #1 Bardahl Special
        • #4 Ramada Inn Offy
        • #76 Honker
        • #4 Rex Mays Offy
        • #44 Ed's Auto V8-60
        • Lewis-Yeley Midget
        • Wilke-Pak Mopar
        • #8 Reichenbach SESCO Midget
        • #78 Red Caruthers Midget
    • Engines >
      • Miller Room >
        • 272 ci Miller DOHC v-16
        • 1932 Miller 308 c.i. DOHC V-8
        • 1953 Studebaker DOHC V-8
        • Miller DOHC 200 c.i. 4 Cylinder engine
      • Open Wheel >
        • Moser
        • Rodeck 406 Engine
        • 220 Offenhauser
        • Robert Roof SOHC
        • Rajo-Lencki 4
        • Gallivan DOHC
        • 1913 Chalmers
        • Plymouth Weslake
        • Voelker 6
        • Foyt DOHC Indy Engine
      • Indy Pit >
        • 2002 Toyota RV8F CART engine
        • Cosworth DFX Indy Engine
        • Mercedes Indy Engine
        • Brayton V-8 Indy Engine
        • Drake V8
        • Fronty-Ford "DO" Engine
        • 1935 Studebaker Straight-8
        • Fueling Oldsmobile Indy Engine
        • Weslake Chevy Conversion
        • Gurney-Eagle Ford Indy Engine
        • Supercharged Offy 110
      • Bill's Garage >
        • 1915 Wilbee V-8 Engine
      • Land Speed >
        • Ron Main's Flat Fire
        • MacKichan-Schulz 302 CID Chevrolet
      • Luxury Car Engines >
        • 1930 Cadillac V-16
      • Legends in Racing >
        • Yunick Twin Turbo
      • Model T >
        • HAL Akron-Hed
      • Model A and B >
        • HAL SOHC
      • Flathead Ford V-8 >
        • V-8 60 Ardun OHV Conversion Display
        • Tornado OHV Conversion
        • Robertson Flathead
        • V-8 Ford Birner
        • Ford Alexander
      • Orphan Engines (Misc.) >
        • Hudson Twin H-Power 6 Cylinder
        • 1923 Chevrolet Series M
        • Sweet 16 Chevrolet
        • Hispano-Suiza Engine
        • 1911 Reynolds Rotary Valve 4-Cyl. Engine
        • Alfa Romeo Twin Cam Engine
        • Bugatti Type B Engine
        • Scheel Rotary Valve Head
        • The "Cheater" Manifold
        • Chevy Twin Turbo
      • Midget Racers >
        • SESCO Engines
        • V-4 Cylinder Chevrolet Wilson
        • 2-Cylinder Offy
        • Stapp Engine
        • SCAT Engine
        • V-8 Cylinder Oldsmobile 215
        • Popp SOHC
        • Marchese DOHC
        • Simonek Engine
    • People >
      • Famous Builders >
        • A.J. Watson
        • Harry A. Miller
        • Ed Iskendarian
        • Stu Hilborn
        • Mickey Thompson
        • Smokey Yunick
        • Carroll Shelby
        • Vic Edelbrock Sr.
        • Robert Roof
        • Leo Goossen
      • Speedway Motors Drivers >
        • Jan Opperman
        • Doug Wolfgang
        • Joe Saldana
        • Cheryl Glass
        • Tiny Lund
        • Lloyd Beckman
        • Cliff Sealock
        • Don Brown
        • Keith Hightshoe
        • Bob Coulter
        • Tim Schulz
        • Grady Wade
        • Larry Dickson
        • Howdy Williams
        • Jay Woodside
        • John Wilkinson
        • Ray Lee Goodwin
        • Don Droud Jr.
        • Frank Brennfoerder
        • Woody Brinkman
        • Bill Utz
        • Ed Bowes
        • Harold Leep
        • Thad Dosher
        • Roy Bryant
        • Dick Sutcliffe
        • Don Maxwell
        • Danny Wallace
        • Lonnie Jensen
        • Jerry Stone
        • John Gerloff
        • Bob Burdick
        • Shane Carson
        • John Larson
        • Ed Leavitt
        • John MacKichan
        • Bill Smith
        • Greg Weld
        • Gordon Woolley
        • Kyle Berck
      • Famous Photographers >
        • Leroy Byers
        • Bob Mays
    • Toys, Etc. >
      • Buck Rogers
      • Lunch Boxes
      • Pedal Cars
      • Tether Cars >
        • #777 Garold Frymire Streamliner
        • Champion
        • Olsen Machine
        • Polywog
        • Richter #2
        • Richter #12
        • Royal
        • Bluebird Streamliner
      • Soap Box Derby
      • Cookie Jars
      • Car Mascots
      • Taxi
      • Car Club Plaques
    • Safety Display
  • Events
    • Cars & Coffee
    • Speedsters Trials & Reunion
    • Plan Your Event
  • Get Involved
    • Donate
    • Membership
  • Contact
  • Visit
    • Harvest Hosts
    • School Field Trips
    • FAQ
  • Shop