THE HONGKONG TELEGRAPH,
BUY AN AUSTIN "7"
Its cheap to run, costs little to buy, and
* sells for more than any other when selling
time comes.
Alex. Ross & Co., (China) Ltd.
BANK OF CHINA
BOLD (China) Ltd.
HONGKONG.
Естату
is simply another term
for
SHELL
The regular use of Shell Motor Spirit and Lubri- cating Oils results in a marked" reduction in
j running costs.
THE ASIATIC PETROLEUM CO. (SOUTH CHINA) LTD. ¡INCORPORATED IN GREAT BRITAIN)
We Have Everything You Need For the Car
YEP! That's a fact Accessories, Spare Parts, Magnetos, Columbia Bat-
terles, Texaco Oil, Texaco Grease, Texaco Gasoline, Acme Quality Paints and Varnishes, "Most Miles and Per Dollar" Tyres
Tubes
(Firestone & you
know 'em)
H
"
TYRE DEVELOPMENT:
MOTORING SUPPLEMENT. SATURDAY, OCTOBER 17. 1925.
ENDURANCE DRIVER,
ADVANCE IN SCIENTIFIC TRAINED ON. VEGETARIAN
MANUFACTURE.
DIET
The recent purchase by two of In soven days the United States the largo rubber companies of has boon crossed by a closed auto- their own textile mill facilities in mobile, establishinga feat of signi New Bedford Mass, 'U.S.A.," has ficunco to two industrios-the brought Now England a little more automobile and the moving pic-| intimately and definitely in touchture. Actual running ture for with the great automotive In-3,370 miles was 96 hours, 15 min- dustry than it had ever been beutes." The car was a stock model fore.
Studebaker Standard Six Coach.
A remarkable feature of the run The two units of the Rotch Cotton Mills purchased by The was that a trained: endurance Goodyear tyre & Rubber Co. driver, a vegetarian living on will be used exclusively for the California fruits gave up the drive production of - tyro materials at Kanas City when his home specifically the Super-twist cord state product ran out, and the rest recently developed by Good- of the run was made in record timo by an amateur who novor had attempted such driving.".
year.
ro-
How is a tyre made and what
This, with the fact the car was is the difference between a good stock model. Studebaker Stan- tyre and a poor ons f
dard Six Coach taken off the xalos Probably most people do not
floor at Los Angeles, make the re- alize the tremendous advance-cord run more nearly akin to the mient in the manufacturing processes that have come in the experience of the average motor car driver than ahy similar run! tyre industry within the past
ever made. decade unless they have compar- ed the mileage they used to get from their tyres with that, given by automobile tyres to-day.
Mike H. Newman is the man who brought the Couch from Kanas City, where it was two hours behind schedule, into New When the Goodyear company York City two hours ahead of was organized in 1898, its main running time; after having rested product was carriage tyres, bicycle 15 extra hours in Philadelphia. Lyres,and a few accessories.
The Coach carried the first As recently as a quarter of a prints of a Christie moving pic- century ago the automobile tyre ture comedy, "Seven Days," for a as a factor of the industrial world preview show in New York. was unknown. Last year more
than half a billion dollars worth Along the route time was taken of automobile tyres were built and for a number of preview showings consumed in the United States in the larger cities, and this is expected to open a new era in alone.
P. W. Litchfield first prosident motion picture exhibition.
of Goodyear, joined the factory
in 1901 as factory manager, aud
under his direction in that year
the first automobile tyre was nearly as mnch of the weight and a built by Goodyear. Since that larger part of the cost than rub. time more than 66 million tyres bar in the highest grade tyres.
What are the difference between have been built under Mr. Litchfield's direction at the a good tyre and a poor one? Good
materials comes first. Akron plant
That means long staple cotton, And tyre production has spread out to plants in Toronto the best grade of plantation rub-j and Los Angeles, each of them ber and highest standard com- having a capacity of more than pounds to be mixed with the
rubber. ?. 5000 tyres a day.
Tyres can be made of short- The first tyres were crude affairs, bolted on or wired on to staple cotton or with inferior quality of drop thread fabric made the rim.
Then followed the beaded edge of peeler or Mississippi Delta or tyre with a hard rubber bead long-staple Arizona or Egyptian which solved. the problem of cotton but in the best grade of holding the tyro on to the rim, tyres the cotton is of long staple, but which was difficult to mount and its fabrication into tyre and remove, especially in the fabric must be most carefully larger sizes.
offected:
The Goodyear experimental Puro, rubber, like pure gold, is department worked out the valueless in tyre construction straight sido or demountable until mixed with certain chemi- tyro for the larger sizes, which cals and compounds which give quickly became standard con-it the required degree of strength, hardness, resistunico to abrasion struction.
The next important advance and the like."
Indeed rubber was commercial- Lin tyre manufacture was cord!
material which in the finishedly useless until 1837 because of tyre was largely "free from the the fact that when warm it would sawing affects. of the square get soft and melt, and when cold woven fabric which heated up would grow brittle and crack. In and burned out the rubber and so that year Charles Goodyear, after shortened the life of the tyre, many years of painstaking experi- The great contribution made by ment, discovered that rubber cord fabric was to eliminate in mixed with sulphur and combined ternal boating in a tyre and it with heat, would vulcanize and substantially lengthened the theroafter would remain imper- vious to any change, in tein- mileage given by tyres.
The next great improvement perature was the balloon fyra which pro-
Goodyear's discovery laid the
"mises to drive out the high foundation of the billion dollar
pressure tyre in the same way rubber industry of to-day.
Given high grade rubber, that the cord fabric supplanted
fabric and 'compounds, the tyre the old square-woven fabric. -
The characteristics of the manufacture's next problem lov balloon tyre that have brought it in correct construction and de- so quickly into popularity and sign. The tyre is built up from into a position where it is optional plies of fabric, cut on the bias and or standard equipment on running in alternate directions. practically all makes of cars are: A tyre must be built of enough (1) easy riding qualities; (3) bet-plies to give it the required ter traction and non-skidding strength to meet the load it must effect; (3) the extra cushioning it carry and the road conditions it gives the mechanism of the car must meet. The number of plies with the cbusequent saving of car may vary from two to 10 or 12 in
the largest size truck fyres. repair bills.
In a Goodyear tyre the internal The balloon tyre is less likely to puncture than the high pros-heating tendency due to the corde sure tyre in presenting a more in the alternate plies running in yielding surface to a blow from the opposite direction sawing any sharp object, and the indica. against each other over the un- tions are that a balloon tyre even surface of rough roads is without chains will pull its way still further reduced by the group- through mud and deep snow better ply construction under which the than'a high pressure tyre equipped plies are alternated in pairs, making a substantial reduction The last great improvement in in the friction.
With a sturdy body and a cor- tyre construction is the Super- twist cord worked out by the rectly built bead to hold the tyre. Goodyear company at its ex-on to the rim, the next thing is a at tread of tough rubber to protect perimental weaving room Goodyear Connecticut, which pro. the fabric from road wear and duced a fabric of equal strength from moisture.
The first treads were sinooth and much greater elasticity and stretch than the rogular cord treads, but manufacturers found that by moulding a non-skid do- fabric
The advantage of the more sign into the tread there was a resilient fabric is scon in the fact great increase in traction and that when a tyre strikes an object corresponding reduction in the in the road when travelling at a tendency to elido on icy and wet considerable speed it will give surfaces."
with chains.
The Dragon Motor Car Co., Ltd. and absorb the blow rather than The Goodyear, diamond shaped
Expert and Constant European Supervision.
Telephone Central 1246 or 1247.
trend design, which is the oldest break up and blow out.
From this resume it will be seen one in the industry, is designed that cotton fabric is a vital factor to immediately check a skidding in the making of automobile tyres, tendency in any direction, while and indeed a rubber tyre might asin mud and snow the great dia- properly be called a cotton tyre mond blocks dig in and give added since cotton fabric represents traction to a car.
A LONG TIME INVESTMENT
So unies the Dodge car's reputation for
long life, exceptional mileage records no longer excite surprise. These cars are made by Dodge Brothers at Detroit and at Ontario, Canada.
Touring Cars that were "built by "Dodge. Brothers" during the first year of their existence as motor car manufacturers, are still ́in active daily service.
The Dragon Motor Car
Motor Car Co., Ltd.
Happy Valley.
Registered Head Office and Show Room!
33, Wong Nei Chung Road
Now- SUPERTWIST Makes
Better Goodyear Cord Tyres
You know what strength and long life have, been bullt into Goodyear Cord Tyres.
Now you may confidently expect oven greater service from Good- years, because all Gondyour Cord. Tyres are being made with SÜPERTWIST.
cord. Its maximum flexing power protects the tyre from
stone bruiso and other fam Thus, it virtually increases the- life of the tyre.
These advantages you get only in Goodyear Cord Tyros the only
tyros mado of SUPERTWIST. SUPERTWIST cord tyres are your assurance of greater dura- bility, tractive power, road and longer mileage, NEXT TIME BUY
SUPERTWIST, the extra olastic, extra enduring new cord material,. far out-stretches ordinary cOLTON
GOOD YEAR
CORD TYRES
Made Will SUPERWIST
MADE IN CANADA DISTRIBUTORS
ALEX. ROSS & CO., (CHINA), LTD
Bank of China Building, Hongkong.