The Edwards Motor Co. Of Springfield, Ohio

By Staff
Published on November 1, 1999
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It is always a delight to spend time looking through issues of
old magazines, particularly those from early in the twentieth
century. One day, while in the ‘library’ at Stemgas (well,
it’s actually a few book shelves in an old warehouse), I came
across this ad for the Edwards Motor Co. of Springfield, Ohio. As
this was an altogether unfamiliar name to me, I went immediately to
Wendel’s American Gas Engines Since 1872, to see what
I could learn.

No wonder I’d not heard the name. Only one model was
produced (with an HP range of 1? to 6), and production continued
for only a few years. The next step was an inquiry addressed to The
Clark County Historical Society in Springfield. Here is what they
were able to add:

‘The Edwards Motor Company was incorporated in 1920 with a
beginning capital stock of $60,000, although the first listing for
the company actually occurred in the 1919 Springfield City
Directory. They listed for the last time in the 1926 city
directory.

‘The factory moved three times, from 330 Bushnell Building
to 504 Mitchell Blvd., to 1076 Kenton Street.

‘The beginning officers were Charles L. Bauer, President, A.
Y. Edwards, Vice President and General Manager, and Clarence M.
Hollenbeck, Secretary-Treasurer.

‘The company was always listed as manufacturing gasoline
engines. It is not clear from the directories if the company closed
or was bought out by The Bauer Brothers Company, which was owned
and operated by Charles L. Bauer and his brothers.’

The Society had one photograph of an Edwards engine from a gas
engines show, but it wasn’t one that would easily reproduce.
They had no other literature, advertisements, or information.

However, the Society did tell me to contact someone from the
Miami Valley Steam Threshers Association, so I went to our
Directory file and looked up Mark Schleppi, Vice President of that
organization. Mark remembers that there was a time when a man in
southern Ohio had a restored Edwards, but he was unable to recall
the name. He was going to search the current engine registration
list of the club, as well, to see whether any Edwards owners might
be on it. Perhaps something will turn up there.

Also, in our files, we had a copy of an Edwards Motor Co. parts
list sent to us by Jake Zilverberg of Atkins, Minnesota, which
provides some explanation of the engine’s unique feature of
operating on one or two cylinders:

‘The Edwards Motor is ‘Several Engines in One.’ If
you had several engines you would learn each one. Two mixture
settings take care of full range. Read carefully and learn how.

‘When stating motor for the first time, set speed changer so
that about 3 or 4 threads are exposed on inside of hand wheel.

‘Before starting, open BOTH needle valves to a few notches
beyond the short mark. Push both air throttles in TIGHT. Pulling
out air throttles gives engine more air. Start the motor. If motor
smokes turn the needle valves to the right one notch at a time
until smoking stops. Smoky exhaust means too much fuel. Popping
back or missing means not enough fuel. If one cylinder is slow in
picking up kerosene, squirt in some priming gasoline.

‘When the air throttles are pushed in, the short mark on
needle valve head (see illustration, but it is not very clear in
the copy) is about the right place to set the needle valves. When
the engine is cold, open needle valve a few notches wider than when
it is hot. Adjust needle valve to the correct position with load on
the engine.

‘For 1? HP Load: Shut off one needle valve
and operate on one cylinder only. Turn speed changer to the left
slowly until the desired speed is reached. If engine misses, turn
on more fuel. Always push in air throttle as far as it will go for
slow speed.

‘For 6 HP Load: Turn speed changer to the
right until only about two threads are exposed on inside of hand
wheel. Start motor with air throttle pushed in tight and with
needle valves opened well beyond both notches. Pull out one air
throttle at a time as far as it will go. If cylinder stops firing,
open needle valve wider. Repeat the same process with the other
cylinder. Put the load on and the motor will steady down to regular
operation. If, after operating a short time, the motor stops, it is
possible that you have the mixture set too lean.

‘You can operate at any speed within the range of the speed
changer. Never turn the speed changer to the right beyond the point
where the parts are flush and no threads are exposed. Always run
with the air throttles pushed in, except when the higher speeds are
used and more power is required.’

We have had a couple of queries on the Edwards Motor Co.,
notably one from Armand DeYoung who wrote in 1993 that he was
compiling a list of owners of the Edwards igniter engines. We tried
to find out how that list had progressed, but hadn’t heard back
at press time.

We hope this article will encourage any owners of Edwards
engines to come forward–send us a picture or two so we can show
our readers who just may not have seen one of these!

We thought it would also be interesting to reprint a copy of the
parts list and its illustration, which comes from the eight page
document sent by Jake Zilverburg:

PARTS LIST

In ordering repair parts, refer carefully to symbols of parts
and give engine number.

Number is stamped on end of crank shaft and on finished surface
under crank case cover.

In these days of varying costs we do not issue a list of prices
for repair parts, and we thus give our customers the benefit of any
reductions. Parcel Post, C. O. D. is common practice and an
economical method. Note if the part desired is contained in an
assembly. If it is, you should return the assembly to us so we can
properly replace the part, unless you are sure you can do this work
satisfactorily yourself. If parts are right and left hand, state
whether for cylinder on governor side (No. 1) or pulley side (No.
2).

Part No. Name of Part

E-1Base and CylindersE-66Governor Weight
E-2Cylinder Base CoverE-67Governor Sleeve
E-3Main Bearing Cap No. 1E-68Governor Spring (Large)
E-4Main Bearing Cap No. 2E-69Governor Spring (Small)
E-5Main Bearing Liner, LowerE-70Governor Weight Fulcrum Pin
E-6Main Bearing Liner, UpperE-71Governor Weight Pin
E-7Main Bearing Cap StudsE-72Governor Lever, See Note
E-8Cylinder Head, including valve stem guides E-59 and igniter
studs Cylinder Head Assembly, including valves and Springs
E-73Governor Lever Bracket with guide pins, See Note Governor Lever
Bracket Assembly, including E-72, E-73, E-74 and E-75
E-9Cylinder Head Studs (long)E-74Governor Lever Bracket Pin, See Note
E-10Cylinder Head Studs (short)E-75Governor Valve Rod Arm, See Note
E-11Cylinder Head GasketE-76Governor Valve Rod
E-12ValveE-77Governor Valve Rod Spring
E-13Main Bearing ShimsE-79Speed Changer Rod with E-80 Rod Head
E-14Valve Stem WashersE-81Speed Changer Adjusting Nut
E-15Valve Stem Washer PinE-82Speed Changer Thrust Nut
E-16Intake and Exhaust Valve SpringsE-84Fuel Tank Straps
E-17Piston No. 1, See NoteE-85Needle Valve Seats, See Note
E-18Piston No. 2, See Note Piston Assembly, including rings, piston
pins, etc.
E-86Needle Valve, including E-87and E-88
E-19Piston RingsE-87Needle Valve Stem Head
E-20Piston Ring PinsE-88Needle Valve Stem Head Pin
E-21Piston Pins, See NoteE-89Butterfly Valve, See Note
E-22Igniter Pins (Special Steel)E-90Butterfly Valve Shaft, See Note
E-23Connecting Rod and Cap.(E-24) See Note. Connecting Rod Assembly
complete
E-91Butterfly Valve Lever, See Note
E-25Connecting Rod StudsE-95Ball Check Valve, with Ball and E-96 prior to 1920
E-26Piston Pin Bushing, See NoteE-96Ball Check Valve Gauge prior to 1920
E-27Connecting Rod, Bearings Rear halfE-97Main Bearing Wick
E-28Connecting Rod Bearings,Front halfE-98Fuel Tank
E-29Piston Oil Tube, See NoteE-99Belt Pulley 4?’ dia, & 5?’ face
E-30Crank Shaft and Fly Wheel assembled and balancedE-100Igniter Plug Gasket
E-31Fly Wheel, See NoteE-101Igniter Plug No. 1, Cylinder, See Note Igniter Plug
Assembly
E-33Piston Pin Lock Wire, See NoteE-103Stationary Electrode, See Note
E-34Crank Shaft PinionE-104Stationary Electrode Insulation, See Note
E-35Cam Gear, See NoteE-105Movable Electrode Shaft No. 1, See Note
E-36Inlet Cam, See NoteE-106Movable Electrode Shaft No. 2, See Note Movable Electrode
Assembly, See Note
E-37Exhaust Cam, See NoteE-107Movable Electrode Point See Note
E-38Cam and Gear Lock Pins,See NoteE-108Movable Electrode Arm, See Note
E-39Cam, Gear bracket, See NoteE-109Movable Electrode Springs, See Note
E-40Cam, Gear Stud, See NoteE-110Igniter Spring Pin, See Note .
E-41Cam Bell Crank, Upper,See NoteE-111Movable Electrode Stop Pin See Note
E-42Cam Bell Crank, Lower, See NoteE-112Movable Electrode Shaft Collar See Note
E-44Cam Bell Crank, Fulcrum Pin, See NoteE-113Movable Electrode Spring Pin, See Note
E-45 Cam Roller Pin, See Note Cam Gear Bracket AssemblyE-114Cylinder Head Extension Cylinder Head Extension Assembly
E-46Valve Rod End Pin, UpperE-115Cylinder Head Extension Cover Cylinder Head Extension Cover
Assembly
E-47Valve Rod End Pin, LowerE-116Needle Valve Head Stop Wire
E-48Valve RodE-117Muffler, See Note
E-49Connecting Rod Oil Tube, See NoteE-118Muffler Cap, See Note Muffler Assembly
E-50Valve Rocker Arm, No. 1, See NoteE-121Large Venturi, See Note
E-51Valve Rocker Arm, No. 2, See NoteE-122Small Venturi, See Note
E-52Valve Lever, No. 2 Cylinder, See NoteE-123Small Venturi Shaft, See Note
E-53Valve Rocker Shaft, See NoteE-124Small Venturi Shaft Lock Spring
E-55Valve Rocker Arm Adj. Screw,See NoteE-125Magneto
E-56Magneto Drive Pinion, See NoteE-126Lubricator
E-57Magneto GearE-127Ignition Wire No.1 Cylinder
E-58Valve Rod End Pin, Crank EndE-128Ignition Wire No.2 Cylinder
E-59Valve Stem Guide, See NoteE-129Float Chamber
E-60Cylinder Head Extension GasketE-130Motor Skids
E-61Cylinder Head Extension Cover Gasket prior to 1920E-131No. 27 End Wrench
E-63Magneto Bracket Cap ScrewE-132Ignition Plug Stud Starting Strap
E-64Magneto BracketMAGNETO REPAIRS Brush Holder with wire clips
attached Brush Brush Spring Brush Holder Plate.
E-65Governor Yoke
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