Newspaper Page Text
Page Fourteen
THE COCONINO SUN
FRIDAY, AUGUST 16, 1919.
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AUTOMOBILE NEWS
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HOW MUCH AIR IS
NEEDED IN YOUR TIRES?
You can not give a tire too much
air.
But, you can give it too little, and
under-inflated tires have caused more
tire expense, more annoyance, more
arguments over tire failures than all
the other injuries to automobile tires.
Some valuable hints concerning tire
inflation are advanced by the Babbitt
Bros. Trading Co. that, if heeded, will
mean a substantial saving to tire
users.
A motorist shouldn't think of run
ning his car on tires with too little
air in them any more than he would
consider running his engine without
oil. Before attempting either, he
knows and has been warned repeated
ly, that such practices are destructive
and expensive. He might accidentally
start on a trip without oil in the mo
tor, but never is this done intentional
ly. Why then, asks the Diamond
company, do so many motorists de
liberately run on tires with insufficient
air pressure?
The two main reasons for this com
mon practice, neither of which is ex
cusable, are: First, the car owner
may be neglectful and allow his vigi
lance on tire inflation to relax; sec
ond, he may like the easy riding o'f
low air pressures and indulge in the
practice as a luxury. In either case
tires are being destroyed prematurely
and the owner will get nothing near
the mileage built into the tire by the
maker.
Many users say they run their tires
under-inflated because they fear that
higher pressure might cause an in
jury. In the Diamond factories tires
are frequently inflated to several hun
dred pounds per inch for experimental
purposes. Not a single tire has ever
bursted, and in every case either the
rim or some other part gave way, not
the tire.
Contrary to common belief, hot
weather effect on tires the rising
pressure of contained air caused by
summer heat is not appreciable and
consequently is not at all dangerous.
The Diamond company recommends
the religious use of the following in-
flation table of minimum pressures on
cord and fabric tires if users wish to
get full value from tires. The pres
sure for various sizes in relation to
the load is given.
Cord Tires
CAR PRICES DUE
FOR NO CUT, BUT
SOME FOR RAISE
Size Inflation Load
3 in 45 lbs. 375 lb3.
3 in 50 lbs. 570 lbs.
4 in 60 lbs. 815 lbs.
5 in 75 lbs. 1,300 lbs.
I 5 in 80 lbs. 1,700 lbs.
Fabric Tires
Size Inflation Load
3 in 45 lbs. 375 lbs.
I 3 in 55 lbs. 570 lbs.
4 in 65 lbs. 815 lbs.
t 4 in 75 lbs. 1,100 lbs.
i 5 in 80 lbs. 1,300 lbs.
j 5 in 85 lbs. 1,700 IBs.
TO CLEAN SPARK PLUGS
i'
WASHINGTON, D. C, Aug.. 13.
Automobile prices are not going down
that is positive. Some have al
alrcatly increased, though there has
been no public announcement of the
fact. Others are stationary, and still
more manufacturers admit that on the
price question they do not know just
where they stand. They are trying
to get along without making an ad
vance, but to most of them it looks
as though, due to increased labor
costs, as well as additional prices that
must be paid for material, something
must be added to the selling price if
they are to continue making a show
ing on the right side of the ledger.
It is not only labor and materials
that are tending to boost motor car
prices. It is the fact also that no
manufacturer is yet back into full
production. When in full production
the factory costs are spread over a
large output, but as conditions are to
day this overhead must be met by a
limited number of cars. This means
that it costs more to build each ma
chine and as a consequence the pur
chase price of each car must be at
least a little higher.
Automobiles will never again reach
the low level that they did a few years
back. All conditions under which
they were built have changed.
It is costing more today to mine
metals to produce steel and the long
list of other products that enter into
automobile construction. No indus
try that the motor car manufacturer
must depend upon for his products
is operating today at full capacity,
and until they are there can be no
hope of any change in price other than
upward.
o
CAUSE OF KNOCKING
MANY IDEAS VIE
FOR RECOGNITION
The survivors of a myriad of ideas
serve the car owner of today. Only
subconsciously aware of their pres
ence, he conluxuriate in the comfort
of his machine, confident that all is
well, as the engine purrs and the tires
grip the road to speed him on his
way, business or pleasure bent.
There are some interesting stories
associated with the ideas that have
survived the tests and the competition
of the automobile construction world.
Such tales aie part of the romance
of modern business and contain sctres
of human interest features.
The automobile tire alone has be
hind its perfection the thoughts of
thousands of men, through a score of
years, in tropical rubber growing
plantation and American manufactur
ing center.
When a tire is brought to the fore,
its tread design perhaps catches the
eye of the observer first. What big
thoughts lie behind the making of
that design 7 It is merely a pattern
by which the automobile "fan" may
know the name of the tire maker?
The story of the making of one
tread design will answer both ques
tions and give an idea of 'the vast
amount of time and thought devoted
to the development of each of the
thousands of ideas which arc behind
the comfort and safety of the auto
mobile driver of today.
The Firestone company a short time
ago began placing the alternate cross
and square design on its cord tires.
The New White Garage, which firm
represents the company in this city,
learned the whys and wherefores of
the design when at the big factory
of the company at Akron recently.
"I 'found that it takes a jrroat deal
of time and thought to originate a
real non-skid tread for an autombile
tire," said Mr. Tillman yesterday.
"The design 'of alternate crosses and
squares was adopted by our company
only after months of careful inves
tigation, comparison and tests.
"In designing a tread the first aim
is to produce a maximum flowing of
rubber. Success in this means a cor
responding success in the amount of
traction obtained. This traction, with
due consideration to gasoline conser
vation, should hold the car to the
road. Other things beinjr equal, the
lime anil a fifth part or common salt more angles and the more lines of
In motors with detachable cylinder
heads great care should be taken to
see that the gasket used to pack the
joint does not project into the com
bustion chamber. When this occurs
the gasket is likely to become incan
descent, causing preignition knocks
and even back firing in the carbureter.
HOMEMADE CEMENT
I
OPENING THROTTLE
TOO QUICKLY CAUSES
THE ENGINES TO STALL
it gradually enough to give the engine
time to respond.
"No matter how great the danger
may be, the throttle must be opened
gradually. This does not mean to
hesitate, but at a speed which will not
cause the engine to choke and strug
gle before accelerating.
"Stalling the engine with the train
approaching at high speed is a dn-
"Now that the 'touring season is
here, it is well to give the motorist a
few words of advice on a subject usu
ally disregarded that is, railroad
crosssings'," said a well-known gov
ernment authority on motor cars.
"Railroads are continually issuine crerous exnerience. to sav thp Ipnat
warnings to drivers not to take any There is no time to start the engine,
so the operator who keeps his pres
ence of mind will use the starter to
pull out of danger. Afe he realizes
his, predicament he quickly shifts to
low speed and presses the starter
WEAR OF AUTO TIRE
IS IN PROPORTION TO
WEAR OF THE ROAD
cnances, out sun many people are
killed on the tracks every year
through their own carelessness. Some
are so eager to get across that they
even drive through closed gates. If
they wish to endanger their own lives
that is their own affair, but they also
imperil the lives of others.
"The usual method of crossing
tracks obscured from view is to drive
on hign gear, tnrottieu clown. To
drive in high gear requires a certain
pedal. The car moves forward slow
ly, but it moves 1 Keeping this fact
in mind the driver may save his own
life and also the lives of those with
him.
"When starting down a verytecn
grade it is advisable to place the
amount of gas, and if the amount is gears in low speed. The rear wheels
reduced too much the engine will
stall. By shifting into second speed
so much danger is overcome. Then
the engine is turning faster and it is
not so easy to stall. Furthermore,
the car may be driven across the rail
road tracks at approximately the
same speed. The impression prevails
that the car may be speeded up more
readily on high gear in the event of
a train approaching, but the distance
will then turn the engine, a movement
requiring considerable effort. This
produces a very good effect. A light
car on a moderately steep hill will
atop and a heavy car will move slow
ly, but always under control. This is
called 'using the engine as a brake.'
It should be practiced from time to
time so that the driver may become
familiar with the method. Do not nod
your head and say you understand it
say y(
it whi
is short and a full throttle opening and will aDnlv
on second speed win send tne car zor
ward with trreater certainty.
"This brings up a matter of lm-'best thing to do. So practice this
portance, that of opening the throttle ' trick frequently so that it becomes as
en the necessity
arises. When your brakes do fail you
will be too rattled to think out the
too suddenly. If the accelerator
pedal is pressed too quickly the en
gine sometimes stalls. This is be
cause the air valve yields readily to
the increased suction, giving a sud-;
den rush of air before the spray noz-1
zle can respond with enough gasoline.
Whether the throttle is opened by
hand or foot the driver should open
easy as any other operation and you
will have cause to be thankful if ever
the need arises to use it."
o
PERT (INENT) QUESTION
Employer: "lhe boy
is worth twice as much as you are?"
Boy: "Did he get it?"
The allowable weight per inch
width of tire for trailers should be
greater than for self-propelled vehic
les, in the opinion of trailer manufac
turers, because trailer wheels are free
rolling and do not have the destruc
tive effect of driving wheels on road
surfaces. This is not only obvious,
but is proved by the fact that tires
on trailers give two or three times
the mileage of tires on the drive
wheels of motor vehicles. Wear of
the tire is in direct proportion to wear
of the road. Therefore, if 800 pounds
per inch width of tire is allowed for
motor trucks, 1,000 pounds per inch
can properly be allowed for trailer
tires.
CARING FOR HUB CAPS
When putting the car in commission
for the year and every month during
the running season the hub caps
should be thoroughly cleaned out, all
the grease and verdigris removed,
after which the caps should be re
packed with fresh grease. It is also
well to clean out the hubs and bear
ings, washing them thoroughly with
gasoline, so that dirt and grit will be
dislodged. When this has been done
the moving parts should be again
lubricated, the hub caps put back in
place, and the car can be driven with
out fear
axles.
of improperly lubricated
HOW THEY GOT BY
"It's a mighty good thing," said
Uncle Eben, "dat de Ten Command
ments was handed down direct instead
of bein' 'bliged to go through de hands
of a lot of committees."
mixed to a naste with vmejrar make
an excellent cement for spark plugs,
for connection pipes, etc. When care
fully mixed this cement will stand
compression and heat and can be air
dried.
IS STYLE TO LEAD TO THIS?
An excellent method of cleaning
spark plugs, or, in fact, any mica
surface, is to wash them first in a
10 per cent solution of acetic acid,
which is an infallible solvent of grease
and carbon deposits. The plugs
should then be washed off with gaso
line and finally dried by rubbing with
a cloth.
"Green sweaters and green under
clothes and, perhaps for the lady, a
pair of red hose."
That is the way a busy young re
porter describes a discovery he made
recently .at the knitting art exhibition
of the National Association of Hos
iery and Underwear Manufacturers at
the exposition building of the Com
mercial Museum.
All varieties of the finished product
in hosiery, underwear, sweaters, and
knit goods for every purpose were on
exhibition. Of course, the reporter's
"discovery" is just a suggestion, but
well, one can never tell what 6tyles
will lead to.
f FIRST AID i
Cause, Prevention and Cure of S
Casing and Tube Troubles by
a Local Tire Surgeon
SURFACE CUTS
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B
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At least seventy-five per cent of the
automobile casings sold this year will
blow out before they are wom down
to the breaker strip. .
The average motorist -thinks it un
usual for a casing to wear down even
ly, until the tread rubber is gone.
Yet, that is the way it should wear.'
No tire manufacturer puts weak spots
in his casings intentionally; it is the
tire users who are responsible for
much of the "poor material" and
"flaws in manufacture" which cause
casings to fail the way they so
often do.
Water will not hurt the tread but
it will most assuredly rot the fabric
and while there is little harm in hav
ing dirt and sand on a tire, it must
be on the outside of the tread rubber
and not in the casing somewhere.
If a cut is not promptly cared for,
sand will be packed into it by the
weight of the ear, will separate the
tread and breaker strip from the can
vas, causing' sand pockets or blisters;
and finally the result is a loose tread.
The dirt will also grind into the fabric
and moisture will weaken it, until the
tire finally lets go.
Watch closely for small cuts in your
casings, have them vulcanized in time,
and you will be -putting off the day
when you will have to buy a new set
of tires.
Bring me your tire and battery troubles
make them right
-I'll
m m
i Harold Sykes j
Vulcanizing and Battery Works g
contact there are, the greater is the
gripping power. Figures show the
cross and square design has more an
gles than any other tread design on
the market today.
"Wear is also an important consid
eration. The higher the edge, the
stronger the bulwark raised against
tho attacks of wear and stress from
without. Because of its three projec
tions in every row, from side to side,
the cross and square design offers a
maximum of wearing surface.
"iverywhere the comer of the
square fits into the crotch of the
cross. A completely interlocking sur
face scheme is thus formed. As the
two figures are set turn and turn
about longitudinally around the cir
cumference of the tire, and also from
side to side across the tread, there
can not be such a thing as an unsup
ported line where the tire comes in
contract with the road.
"Straight lines and points, as well
as concave and convex curves are rep
resented. This is another character
istic that reduces slinpincr and facili
tates the handling of pleasure car or
truck.
"The value of the cross and snuarc
design is seen particularly along the
edges of the tire. The margin is ir
regular, because the point of the
square and the two 'claws' of the
cross are set alternately along the
sides, 'lhis is a great help m break
ing un strains and absorbing them,
obviating a fault in the majority of
tread designs.
"Not only along the edges, but also
all over, through and- around the tire
the cross and square design distrib
utes vibrations. A 'balanced series' of
alternate crosses and squares has
been attained, resulting in uniform ac
tion of the tread rubber and a bet
ter distribution of the strains to the
carcass of the tire. These things then
mean better adhesion, longer wear
from tread, and extra mileage from
the carcass.
"The interlocking of the two figures
all over the surface also reduces the
wear. The corner of the square is
set in such relation to the cross as
to prevent the forming of 'pockets.'
The height of the edge also helps the
tread to resist the effects of wear.
Along the sides the cross and square
(there are three rows everywhere)
stand up to the last, doing their ut
most to preserve the tire as the crown
is wom down.
"The gum used in the tread has
been increased in quantity in keeping
with the increased size of the tire.
In some of the sizes the amount used
is increased by as much as 20 per
cent. The gum is selected and treat
ed for those qualities which will as
sure the maximum of wearing and
cushioning power."
Tho Firestone company reports an
enormous demand for pneumatics
this summer, both cord and fabric
TRULY REALISTIC
"This snowstorm painting is very
fine, indeed," said tne critic to the
artist. "It almost makes me feel cold
to look at it."
"Yes, it must be realistic," admitted
the other. "A fellow got into my
studio in my absence, looked at the
picture, and unconsciously put my fur
overcoat on before he went out."
HER MANY CONNECTIONS
si
"I heard Mabel boasting the other
YOU CAN SAVE MONEY
BY TRADING HERE
We Have a $5,000.00 Stock of
Automobile Accessories
WE HAVE SOMETHING FOR EVERY CAR
AND SOMETHING FOR YOU
AT A SAVING OF 10 TO 250
Hartford Side Wind Shield for Buick, Oldsmobile, Overland,
Cadillac, or Studebaker, regularly $25, pur price, $20
Badger Auto Jack, 1 ton, regularly $4.50, our price $3. 1 0
Robe, extra fine quality, regularly $15.50, our price $12
AUTO SPRINGS
Made of Chrome Vanadium Steel, guaranteed for 12 months,
regularly 40c pound, our price 30c
BUY ONE OF OUR TRADING CARDS
AND GET GASOLENE AT 30c A GALLON
FARMERS ATTENTION
We bought 125 Singletrees; .regular price, $1.25 each; buy something in the
store and get TWO for $1.00
(Only TWO to the same customer)
Double Wagon Pole End Irons 40c each; TWO for 45c
Express Singletrees; regular price, 75c; our price 60c each; TWO for 65c
Neck Yoke, extraong; regular price, $1.50; our price (only 1 to a customer), 75c
NOTE We don't try to undersell the other fellows; but we try to give you
low price in high altitude. Pay us a visit and we will explain to you"
how to save 10 per cent more on the above prices.
WE PAY CASH FOR USED CARS
Spot cash for any make used car. No waiting, money ready.
USED CARS FOR SALE-CASH OR TERMS
RELIABLE AUTO SPRING
& SUPPLY COMPANY
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day that she had so many social connections."
Rear of J. J. Waldhaus' Garage
Z.A.BISSONNETTE -:-
"So she has. She works' in an up-1
;-
town teiepnone exenange.
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