1950-09-02 — Page 8

WORLD'S FIRST-CHOICE TIRE

gives extra wet-weather traction

GOOD YEAR

STIRES

MORE PEOPLE, THE WORLD OVER, RIDE ON

GOODYEAR TIRES THAN ON ANY OTHER MAKE.

Sole Distributors.---

AMERICAN ENTERPRISES, FEDERAL Înc..U.S.A.

J

THE CHINA MAIL, SATURDAY, SEPTEMBER 2, 1050..

MOTORING NEWS AND VIEW'S

THE COMMERCIAL MOTOR SHOW

On Friday, September 22, the 1950 Commercial Motor Show at Earls Court London will be opened by the Right Honourable A.J. Barnes MP, Minister of Transport.

This great international Exhibition (the 15th of

the series) is the largest and most compre hensive of its kind in the world; and is or- ganised biennially by the Society of Motor Manufacturers and Traders.

The number of opplications to exhibit received from manufac- turers this year has reached such proportions that even the vast Earls Court Exhibition Hall with million square its quarter of feet of actual Stand space is not nuffelent to house the products of all those manufacturers who wish to show,

The increased dimensions for

structed as mobile grocery and butchery shops,

An 880 gallon stainless steel Milk Tanker (one of a number of such vehicles supplied A$ equipment for a complete dairy in Greece).

A 32 seater coulpped with sliding doors.

luxury conch wardrobe and

A bus, the body for which is

.~

Luses and conchies recently ap-onstructed in light allay in unit proved for operation in Britain form for assembly overseas, und an designed that the two doors fup to 30 feet in length - single.

can be placed in the best posi- | deck-and 0 feet in width) and

tions to sult the country of the consequent construction of

operation. larger vehicle exhibits has pre- rented the organisers with 44 particularly difficult problem in the general allocation of space, Even so, the traditional planned lay-out has been

well tained, and an overflow of Body

exhibits,

mounted vorious chassis, will be dis- played in the demonstration park adjoining the building.

work

mala.

The number of Drms repre-

sented, catering for all aspects

ut the manufacture of coininer.

cial motor vehicles and allled Froducts, will be nearly 450 and can be summarised as follows:-

Commercial Vehicle Mon- \.facturers

11

Body Builders and Trailer Manufacturers

19

Accessory and Component Manufacturers

.243

Transport Service Equip- ment Manufacturers

55

Tel: 28473.

Tel:

25509.

Hong Kong Dealer WING PIU HONG

6. Queen's Rd. C.

108, Jaffe Road,

TOUR UNITED STATES

IN A

OR

OLDSMOBILE

PONTIAC

DELIVERY CAN BE ARRANGED

AT THE FACTORY OR NEW YORK

FOR PARTICULARS ENQUIRE:—

floor

Dy

allon Services connected with

011

Tyre life today

By P.D. Paterson

un-

Although tyres of current manufacture aro

doubtedly of higher quality than those manu- factured before the war, it does not necessarily follow that today every motorist will obtain a longer tyre life.

Cars of current design have a greatly increased performance capability and correspondingly more efficient brakes, Their riding qualities are so improved that the average driver finds cambers, rough roads and the like without the slackening in speed which would have been automatic ten years ago.

All this imposes greatly In- Naturally, any initial Incorrect creased wear do the tyres, and has setting of front wheels Intro- to be paid for in terms of tyre life. duces an additional wear effect,

Careful measurements of tyre and should be eliminated. wear have been made on hundreds

A mobile library. A 70 scuter all-metal double-cara in service stations (with

the permission of those con

concern- deck trolleybus, one of the lar-

Englished). These show big differences gest vehicles used

in mllenge. On any particular roads today.

the make of car A six-wheeled

average tyre drive on all wheels, capable of tractor with

mileage which can be obtained or climbing in 2 gradients, covers a range of about six ploughing through 2 feet of mud, seven to one. This is owing to the influence of driving methods, traversing powdery mand, cross-

condition of chassis, tyre main- tenance, weather, conditions or roads, and so on.

swamps and marsh lanet and -with special waterproofing equipment of wading through water to a depth of six feet,

tonks

invitations were

To illustrate this, let us assume certain design the average, tyre mileage is 15,000

few

on

ta

more common

Q

If we swing weight on piece of string it will stretch the atring tight. This is owing to centrifugal force." If the woight in big enough or we swing it centrifugal round fast enough, force will increase till it breaks the siring and the weight flion off

about a out of control. When a car turns point A. or swings shnilar forces are operailng, but there is no string to keep the car under control. The equiva lent, however, is provided by cornering force set up in the tyres, which upposes the centri- fugal force.

speeds

Cornering force

An aircraft refueller with a that

capacity of 4,000 gallons, An ambulance fitted with miles,

This shows that individual cases noise insulation And specia!

This cornering force is ob- adapted to accommodate sitting may give mileages as low as 5,000 and streicher

invalldor as high as 35,000. It should be tained from the front and rear patients, chair, and 'iron" lung cases,

emphasised that this state of tyres, which are moving in a A new 10 Boater

affairs is normally encountered slightly different direction from single-deck coach, powered by an under- with any make or model of ear in that in which they are aiming. floor engine, incorporating bullt-service. Generally speaking (with It can be regarded as a natural in twin heaters, forced ventila- some few. exceptions), all the reaction of the tyre in trying to Tyre Manufacturers Exhibits in the

tion and sliding entrance door, variations responsible for the ex-recover from a distorted position. commercial

In all, visitors to Earls Court ceptionally low or high milenges In doing this, the tyre tread vehicle, body-building and trail-

commercial are under the control of the driver. must necessarily rub the sur- er sections will be displayed will see the best in

The relative Importance of the face of the road to a certain ex- on the ground

with 23 vehicle manufacture in its every

various factors which influence tent. pelmeter Stands occupied by phase.

tyre life has changed in the last It is this rubbing which is 10. Associations, Press, and Informn- Big crowds expected

It is years. Formerly braking petent a factor in wear.

that high cornering the Motor Industry. The acces The attendance figure in 1948, and acceleration probably headed obvious

Intensify the rubbing sory and component, tyre and when the Exhibition was inst the list, but today must be transport service equipment pro- staged, was 145,000.

effect and increase the wear, Judging added the important influences

An interesting commentary on duels will be on view on the from the interest already dis-on tyre life resulting from the use of independent front sun-

the effect of cornering on tyre played both at home and over- irst floor.

scas that Agure is due to he persion, the way in which curves, wear is given by a report from This describes an ex→ Latest designs

exceeded on this occasion. Early and corners are taken, and the America.

22 which in the year over 10,000 individual high average speeds.

achievement of periment In

vacuum There is cleaner was used to pick up despatched to On entering the Show visitors overseas buyers, agents and user also another difference between equivalent samples of road dust will see before them the very interests in all part of the world, Formerly, the wear was usually length of road,

corner and on a straight. pre-war and post-war conditions. on latest designs in heavy, medium wille requests for tickets have greatest on the rear tyres, but tained was analysed for rubber and light road vehicles including been received up to the present tuxes, conches, tractors, trailers and many novel countries.

trolleybuses, time from more than 55 different today the front tyres almost in content, and showed that eight variably wear more quickly, times as much rubber per yard types for goods huuloge And Facilities made for the com-

This is connected with the ten- of road was present in the dust special purposes, some of which fort and convenience of visitors of the car nearer the front, in- with that from the straight.

dency to concentrate the weight from the corner as compared are constructed solely for over-

Cornering force is also neces- rens operation. The British

creased braking effort on front vehicles shown alongside their A cloakroom service will be adoption of independent front strong cross wind, but the addi- wheels, together with the general acry to control-a-car-during - a foreign competitors, are those provided on both which figure so prominently in first floors.

and wheel suspension. A detailed tional tyre wear from this cause the industry's export drive, now LOST PROPERTY OFFICE.

survey of the effect of these and other factors will undoubtedly running at the rate of nearly one

The Lost Property Office help the user to obtain more, lite commercial vehicle shipped be located on the first floor.

from his tyres. minute of every working CATEHING,

a Brasserie; restaurants, Moving to the first floor, vial- and Grill Room. Alpine Tavern, tors will there be able to inspect and an Oyster Bar (both of the supporting display of acces which will provide light refresh- sories and

components, tyres, ments and Continental dishes), and items of transport service Licensed Buffets, Tea Lounges equipment: all of them repre- and Cocktail Burs. sentative of--the highest en- POST OFFICE. and craftsman- gineering skill

The GPO will operate an Office chip, these products, both British for the usual postal services be- and foreign, will include a oum-

CABLE SERVICE.

Include:-

CLOAKROOMS.

Two

ground

TRIANGLE TRADING CO., FEDERAL INC., U.S.A. bor of novel Items shown for the tween 10 am and 8 pm.

MORRISON HILL ROAD,

TELEPHONE 25421.

Telegraphic facilities to

will

all

The dust ab-

only is not very great.

The effect of

high average

speeds (which naturally Involve High speed cornering and fre- quent use of brakes) can be Ona difference

very remarkable. In an event One of the big differences be- such as the Alpine Rally, for tween the pre-war and post-example, tyres have been known war cars is the adoption of to become smooth in as little on independent front suspension. 400 miles. This phenomenally This may have a small adverse low figure in the result of high effect on tyre life owing to the speeds on twisty mountain roads. geometrical changes which In-ir-countries such as the US. evitably occur as one or both with its long, straight roads, a front wheels rise and fall. much higher, overall tyre life However, the chief effect is can be obtained in spite of Indirect, in that the use of in high average speeds, this un- first time. This display will offer

dependent front suspension (to-doubtedly, owing to the compara- a wealth of opportunity and in- parts of the world will be avail- gether with other design im-tive absence of cornering. In one struction to all engaged in or able. The station will be linked provements) has enabled drivers particular case a model in the concerned with the servicing or with the Central Telegraph to earner foster with better cott- popular class which has pro- operation of mator transport.

Among the 400 vehicles of all of GPO Cable and Wire-trol, and to ride faster over poor duced a tyre life of 12,000 miles

Servlees, from which radi-roods without discomfort. types on show will be :-

ater 150,000 miles of submarine, It should perhaps be mentioned cable, 50 Wireless routes, and 10 that the term H comering radio picture, services, BANKING.

Includes motoring along curves and round traffic istands as well A Branch Office of the Nation- as taking the obvious corner. con-al Provincial Bank Ltd., will

The marked effect of cornering provide a full banking service, on tyre life is because all tyres Including acceptance of credit en the car devinte from the

Rate of wear - from home or abroad, and the direction in which the car is

This alteration in relative rate arranging of commercial or pri- travelling. The degree of devia- vate transactions, between thia tion is expressed as slip, or creep, of wear between front and rear country and every part of the angle. It is not a defect in either tyres is largely accounted for by world. Arrangements may also driving method or chassis design, changes in weight distribution, be made for the

of Tyres deviation is necessary in braiding distribution cashing cheques,

corering to obtain forces from adoption of Independent front Officers of the Bank's Overseas the tyres to guide the car round suspension. The concentration of Branch will be in attendance for the corner. These are known as weight towards the front of the the conventence of those con- cornering forces. They are also car undoubtedly Improves cerned in markets abroad.

characteristics necessary to control the course of handling. to

of provide information

h the car on such

cambered rand or in today's car compared with those subjects as: regulations

a cross wind

of its pre-war equivalent in the erning overseas markets, trade This necessary tyre deviation) same citis. It is incyllable, how- openings, status of prospectivo in cornering should not be con- over, that the tyres, particularly customers, foreign trade cus- fused with incorrect toe-in or at the front, have more work to toms; and to advise on the fin-toc-out of front wheels, usually do. uncing of shipments and the described heading of documents.

One of the largest tractors in the world, 31 feet 8 inches long and 10 feet 3 inches wide, specially produced for export.

Battery electric vehicles

NEW CHEVROLET ♬ 1950

"Distributors:-on

FAR EAST MOTORS LIMITED

Telte C8849 a 37250

on

FISHING ROD AERIAL

του

A new car radio aerial of the three-section telescopic type [la] being made by: E K. Cole, Ltd., Southend-on-Sea, Essex. SELA

Extending to, oft, din, the aerial] is made of stainless steel and brass, chromium-plated, and La therefore {\^ rustlesa, "while the "mounting bam," giving adjustment for angle," is of moulded plastic {!witha", netrúabber gasket to provent "water"" statering in the gbodywork, The aerial lend?lls of culten-low Capacity,p.v.c/indulated and safeguards to good - algniki ra- ception which so÷tall anyaerial

ELG misalignment.

In England achieved a' tyre life of 20,000 miles in the US.

If we separate front and rear tyres in comparing prewar and post-war designs, we find that the relative rate of tyre wear between front and rear has been almost completely reversed.

-and

To Be Continued

eset the

"General

idea Imance now!

the

the

CHOOSE THE TIRE

OF CHAMPIONS..

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WINS AGAIN!

27

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TEL.27122-31104

FOLE

HERE'S WHY ALL THE DRIVERS IN THIS YEAR'S RACE' BODONT FIRESTONE TIRES FOR THEIR CARS

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Brod bearsO

The shum Opping

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Perception

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Available packing

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In extractive packings

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THE WEEKLY NEWSMADAZING

SPECIAL REPORT

ON

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NOW

ON SALE