Richmond Palladium (Daily), Volume 44, Number 294, 27 September 1919 — Page 7
THE RICHMOND PALLADIUM AND SUN-TELEGRAM, SATURDAY, SEPT. 27, 1919.
PAGE NINE
The Automobile Simplified By FREDERICK C. GUERFKJCH, M. E. Make This Your Automobile Correspondence School AN intimate talk on the porting tmlU f the automobile discussed In inch a way that the layman can easily understand them. If In reading these articles, as they appear in the Palladium each Saturday, there is anything not clear to yon. as'C Mr. Guerllch about It An answer will be published on the completion erf the articles on the section of the automobile under discussion. Copyrighted, 19 IT, By Frederltgc C. Guerrllch.
LESSON NO. 30. The Duplex System. There has recently been brought out, a combined high tension magneto and battery system of Ignition, called the Duplex System; which because of its low first cost and simplicity, may be the system of the future. Should the magneto again become as much
hare bn perfected step by step, and how or ft improvement led to another is cleaily seen in the development of the vailous magneto systems of ignition. TJhus we first had the low tension mt.gneto with Its outside coil; then wi) had the high tension magneto, wliich is the result of inventors
observing that the magneto armature
L " u U'h
Fig. 1
Mm
'Cu.ii
used as it was about two years ago, the Duplex System will be the Bystem most used. It therefore, is entitled to rxplanation. The automobile and its accessories
and its windings could be used in place of tUie coil; next we had the dual system, designed in order to make starting masier, but again making mat
ters complicated and bringing back
the induction coil; and now we have the duplex system, and in this it is plainly seen how the step taken In designing the high tension magneto led to the design of the duplex system; as, here also the Inventor, in
his desire to do away with the Induction coil, observes that the magneto armature has all the parts of an induction coil, and uses It in place of the induction coil of the dual system. Let us develop the duplex system. Again, in Fig. 1, I give you the wiring of the high tension magneto. What we want to do is to connect the battery to the primary of the armature so as to use the armature core, with its primary and secondary windings, in place of the Induction coil. As the magneto primary Is grounded on the one end, we cannot connect to
it on the grounded side of the inter
rupter points, and must therefore con nect between the armature and the in
terrupter. The wire for grounding, to
stop the magneto secondary being gen
erated, is also connected here, so let us simply connect to this wire, as shown by the dotted lines. (Ignore the dot and dash lines for the pres
ent.) Current from Battery.
You will observe that when the in
terrupter points are closed the cur
rent will come from the battery
through wires C and B to the point
F, where It will divide and some go
through A and the armature winding to the point K where this winding is
grounded and so back to the battery;
while the rest will go across the inter
rupter points and so to the ground. As the primary winding of the arma
ture offers a great resistance to the flow of current, while the Interrupter offers practically none, only a little
will go through the winding, and most
ly all through the interrupter. Thts
means that when the Interrupter points are closed the battery current
will have practically no effect, it simp
ly flowing from the battery to the
points, and so back to the battery.
Now let us see what will happen
the moment the interrupter points
open, which is also the moment the
piston of the engine is ready for the spark. As the points re opened the battery current cannot go across them to the ground, and therefore all of the current must go by way of A to the armature winding. Thus you will note that the current
v.lll now be flowing from the battery to the armature coil, as it does in the distributor system, the armature really taking the place of the Induction
coll.
In order to cause an Induction of
a high voltage current in the secondary winding, however, the primory current must be interrupted. Thus,
some device must be added for interrupting this current. The magneto in
terrupter, obviously, cannot be used
for this purpose. The simplest way to overcome this difficulty is to put a vibrator coil similar to those used on your door bell, in the circuit. The dot and dash lines show the course of the current, as It
win now flow, as instead of going from i the battery through the dotted line C it will go through G to the vibrator coll and then through H to B, and so as before. Fig. 2 gives the wiring of the duplex system, with the switch, necessary to stop the engine, or to swing to the battery for starting, and to magneto after starting. Reviewing the action, we find that when the switch is thrown to neutral, the battery circuit is open, as it can only go to the point "2" of the switch, while the magneto primary is grounded, it entering at 1 on the switch, and then passing through 5, 8, 7 and 3, and so to the ground. Thus no high voltage current will be induced in the secondary, and there will be no spark. When the switch is thrown to battery for starting, the segments 1 and 6 of the switch will touch and so will 2 and 5, and you will see that the current can go from H through 2, 5, 6 and 1 to wire B. Thus the current , will flow from the battery through O, then through the vibrator points, through H. then the switch, and finally B. When the interrupter points are closed the current will go through thpm to the ground. The moment they open, however, the current will go through the armature, and so Induce a high voltage current in the secondary winding, and thus e-lv th ronnir.
ed spark. Note how the interrupter
puiuis nuie me sparit. After the engine has started the Switch is thrown to mamctn In tVito
in ljii.) case the segment 1 of the switch will not be in contact with any metal portions of the switch, the point 8 being
auuui. alongside ot it. Thus B is dis
connected, as it should be when running on magneto. As the vibrator makes and breaks the circuit many times in a second, ther will be many shots of high voltage current in the secondary, and so there will be a sort of shower of sparks at the pings. A the lighting system of many cars is such that the battery is not grounded, arrangemnet is usually made on the switch for taking care of this. In this case, instead of the bat
tery being grounded, a wire, as shown by the dotted line, is run to the switch. The vibrator coil and the switch, which are not very expensive, can be very easily connected to any high-
tension magneto. In many cases thefr addition will help to make starting
easy.
Motorists
Pa IP
ectory
Food From Air Is Next Process, Soys Expert NEW YORK, Sept. 27 Food may be obtained from sunlight, air and water, according to a recent discovery of Dr. Winthrop John Vanleuven Osterhout, professor of botany at Harvard university. V The process of the food-making is as yet limited to the laboratory stage.
Prof. Osterhout points out, but It is possible, to place it on a commercial basis. "Analyzing food, we learn that the three chief components are sugar, fat and protein." he said. "Until recent
ly it was impossible to manufacture sugar synthetically, but now we have solved the riddle in several different ways.
Next War is Near,
General Glenn Says CH1LLICOTHE. Ohio. Sept. 27 Declaring that the next war will come
sooner than any one expects Major
General E. F. Glenn, commanding Camp Sherman, today attacked the League of Nations covenant in the
treaty of peace with Germany, asserting that France's condition was not as bad as the French race would have the world to believe. While he insisted that he was first of all an army man and that it was his duty at all times to stand by his government and his flag, he emphasized the fact that he did not desire any officer or man under his command to gain the "erroneous impression that we should help France out at the cost of the perpetual hatred of the German public."
ITCH! ITCH! ITCH!
It Seems Sometimes As If You Would
Fly Out of Your Skin.
On the theory that chickens are benefitel by exercise, a NSvada man has invented a drinking fountain elevated on a platform.
Ersema or salt rheum not only itch
es, but it also burns, ootea, dries and
scales over and over again. Sometimes it covers the whole body and causes intense suffering. You have found that local applications have no lasting effect, and you want permanent relief. Take Hood s Sarsaparilla, give It a good fair trial, because yo must thoroughly purify your blood or the eruntinn will continue to annoy, per
haps agonize you. This great medicine has been successfully used In thousands of cases. To make and keep the bowels normally active, take Hood's Pills, they are gentle and thorough. Adv.
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Generator repairing, general overhauling, all kinds of mechanical work, all makes of cars Davis-Overland Sales Go. 1209 Main St. Repair Dept. Phone 2411 BRAUN & HILL, Managers
The McConaha's Garage 418-420 Main Street Goodyear Tires Prest-O-Lite Batteries Accessories Mobileoil and Auto Repairing
HUDSON ESSEX NASH STUDEBAKER FEDERAL and NASH Trucks If you want an Automobile See Us
The McGonaha Company
413-415 Main St.
Phone 1079
PIEHL AUTO-ELECTRIC CO. Storage Batteries and Ignition Parts
Storage Batteries Auto Electric Supplies Armatures and Coils Rewound
Phones 1891-1893. W. C. Piehl, Mgr. 1024 Main Street Richmond, Indiana
When You Need Tires you Need 'em (WE SELL 'EM) NEEDHAM TIRES 5000-MILE GUARANTEE
Beeson Tire and Vulcanizing Co.
13 N. 9th St.
Richmond, Ind.
FORD DISTRIBUTORS Ford Automobiles, Ford Trucks, Accessories, Tires, Oils, Gas and Service Webb-Coleman
AUTOS WANTED For their parts. We tear 'em up and sell the parts. We have parts of all kinds such a3 Gears, Axels, Magnetos, Carburetors, Lamps, 'Windshields, Glass, used Tires and Tubes, Etc. RICHMOND AUTO WRECKING CO. Phone 2165 Second and Main
i rucK
Owners
i
ATTENTION!
On Wednesday, October 1st We Announce the Arrival of
Big 3$ T
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Company
Authorized Ford Sales and Service 19-21 South 7th Street Phone 16U6
Richmond Battery & Radiator Co. Distributors of U. S. It. Storage Batteries All makes of batteries recharged, repaired and rebuilt. Service free. 12th and Main St Phone 1365
Republic INTERNAL GEAR DRIVE Trucks Will solve your haulage problems. Truck repairing a specialty. STANDARD SUPPLY AND TRANSPORTATION CO.
First and Main Streets.
Phone 1069-2459
BUICK AGENCY For used cars, see us. We have the best in, the county and the prices are reasonable. CHENOWETH AUTO CO. 1134 Main Street Phone 1925
HARRY H. TUBESING GATESTIRES VULCANIZING Gates More Mileage Tires 1124 Main Street. Phone 1595 Tires called for and delivered
Maxwell,- Cole,- Aero Eight-Chalmers . See us BefoDe You buy that cai' STAFFORD MOTOR COMPANY 1026 Main Street Phone 10S8
Equipped With the Biggest Pneumatic Tires Made Don't Fail to See It While Here
It's the truck that made the trip from Boston to Boston via New York, Pittsburg, Los Angeles and San Francisco in 24 days, l hour and 55 minutes. Arrangements have been made with the management of the Washington theatre to show moving pictures in three reels of this remarkble trip. These pictures will be shown at 11 O'clock A. M. on Wednesday, Oct. 1st. Seats will be reserved for all Truck Owners or Operator wishing to see these pictures. These pictures are of a highly instructive value to anyone interested in transportation by the use oi trucks. You will also have at your disposal Mr. Russon, who is recognized as one of the best informed men in this country on trucking problems and conditions. Remember ! It's All Free ! Arrangements may be made for talks with Mr. Russon and assistants regarding your trucking problems at either one of the company's place of business named below. Don't Forget the Date Wednesday, Oct. 1st; Washington Theatre 11A.M.
McCONAHA'S GARAGE CHENOWETH AUTO CO.