1923-12-29 — Page 9

LYMPNE GLIDER

HONGKONG TELEGRAPH MOTORING SUR

CONTEST

MORE ABOUT CUSHION TYRES.

Increase of Pliability.

87 MILES

flown on 1 gallon

of Shell!

Flight-Lieut. W. H. Longton, in his great achievement on a Wren Mono- plane, in the "Daily Mail" £1,000 Prize Glider Contest at Lympne, used

SHELL

SPIRIT

PERFORMANCE IS PROOF !

THE ASIATIC PETROLEUM CO., LTD.

Dennis

MOTORS-

As used by The Hongkong Government.

2-21 ton truck chassis-£740.—0—0

c. i, f. Hongkong.

THE TRUCK WHICH HAS PROVED ITS WORTH IN HONGKONG

SOLE AGENTS

Alex. Ross & Company

(China) Limited.

BANK OF CHINA BUILDING, DUDDELL STREET.

TELEPHONE C 3487..

Carburetors perfection.

MOTORISTS AND RADIO FANS.

MOTORISTS Try an expert mechanic for the overhauling

of your engine. Valves and adjusted. Engines tuned to

Repairs carried out in your own garage. Lessons in driving any motor vehicle.

RADIO FANS Tuition in Radiography. Complete instala

tions. Apparatus for sale at really bargain prices. Crystal, Valve and Knock-down sets. Spare parts.

For particulars please apply to P. O. Box. 635.

MIND YOUR OWN BUSINESS.

TOURS 4,200 MILES.

a

A woman stopped here the Another motor cyclist who has other morning and asked for qualified as long distance permission to blow up her tyres tourist is John Manning, of When she had put in 110 pounds, Rockford, who recently arrived) I said:

in Los Angeles. He covered. "Lady, you are putting in too 4,200 miles and was only on the much air. You will blow out road 1311⁄2 days. He came by the your tyres."

northern route into Seattle and "Oh, no, I won't," she replied, then down the Coast. Mr. Man- "my husband told me to put inning states that he had 'absó- sixty pounds a week, and we are lutely no trouble, and big going away for three weeks."-machine was running perfectly Literary Digest.

'upon his arrival in Los Angeles.

133x5 Tre showing

deflection utenscher

1700 kad and Boar

·730" Thin wall tire

Showingt deflection.

CROSS SECTIONS OF PNEUMATIC AND BALLOON TYRES, SHOWING THE ACTUAL DEFLECTION OF EACH UNDER THE SAME LDAR.

in

The principle of the balloon or sidewall flexing, resulting air-cushion tyre, according to fabric failure on the inside plies. Mr. James E. Hale, one of its de- The thin wallar air-cushion signers, Hes in the combination of tyre, however, permits of much Flow air pressure and contact area greater sidewall flexing than the thick-wall tyre. With lower air of the tyre and ground.

"In a general way,” Mr. Habel pressure, the bursting stresses On explanation goes, "the contact the carcass are low enough to area of the tread with the rund make less plies necessary. The expressed in.. square inches, result is that a greater degree of multiplied by the internal air deflection is made possible. !pressure, will give a rigure which From this thin-wall and less- approximates the load carried by ply construction of the balloon the tyre."

tyre comes the question of its

For instance. a tyre showing durability as compared with the 20 square inches of con act with older pneumatic. There is little! the "road requires 50 pounds of cause to be concerned about that, pressure di carry a 1000-pound says Mr. Halo,

lead. If the pressure could be; We have run a total of 850,- reduced-which would require·000 tyre miles under test obser- increase of mad contact greater vations," he says in his report, cushioning effect would result for," and evidence points to averagi the same 1000-pound load.

mileage at least as high as those

This degree of deflection, if ex- Ireeded, wold result in harm to

the tyre.

DUNLOP CORDS

for Motor Car or Motorcycle

THE size of your tyre bills depends upon how much mileage you get out of your tyres. Watch Them. Fit a Dunlop Cord next time. Note how, much longer it lasts than other tyres. The test of its merit is on your car, not in our argument.

BE FREE OF ALL TYRES TROUBLES

DURING 1924.

fit Dunlop

and be satisfied

Bat reduced vir pressure and enjoyed with regular pneumatic greater road contact bring another tyres. The character of the element to which the tyre failures will unquestionably be engineers have had to pay serius somewhat different. attention. That is what they call For instance, ply separation the deflect of the tyre, or the and tread separation will be min- amount a igre bergs or drops imized in air-cushion tyres, and under its weight.

with these eliminated the most promifent troubles will be fabric breaks in the carcass: also puntures and rapid tread wear According to Mr.

Hale's on the front wheels when they figures, 33 by 5 thick wall. are not aligned properly. pacumatic tyre, under a 1700- "Many people have questioned) TOURS FOR MOTOR pound load

DELEGATES. and S0 pounds, whether with such a thin tyre.[ pressure, would bend, or show an punctures will not be sufficiently actual deflection of, 95 inch. Under numerous to be of considerable To See Uses of Cars and the same loud. and 25 pounds annoyance. There are *no

Trucks. pressure which would be the grounds for concern on this score." amount required in proportion to In 500,000 cur miles of operation An automotive vocational tour contact area a 7.30-inch airs on our test flicet, there were 7 is being arranged for delegates to cushion tyre would drop 1.68 inch, punctures, and in 100,000 miles the World Motor Transport Con-i That is not too much of a de-of operation in taxi cab service,gress so that studies may be made flection in the new form of tyre there was an average of one of actual uses of the automobile acconling to Mr. Hale. This puncture for each 3700 miles. and motor truck in agricultural. conclusion be reached after ex-i The explanation is found in commercial and "government įs periment and tudy of two, the fant that the tyre. "being not activities in Detroit, Michigan causes for tyre failure due to ce-i taut and hard and drum-like. USA, where automotive dele- flection. There were tread and yields rather than be, pierced by gates from all countries will meet! ply paration, and too much, the puncturing object."

during May 1924.

FRENCH TAXIS.

Running at Cheap

Rates.

";

Announcement of preparations for the tour was made by Mr. Jay

| baggage. With track of only P. Rathbun, member of the 36 inches and Wheelbase of 90 Foreign Trade Committee of the inches, the single seaters doubt-National Automobile Chamber of less will be faster in traffic than Commerce, who suggests that it will tend to furnish the delegates the present full size cabs. Single-passenger tasicely have Running 45 miles to the gallon, with ideas on the numerous voca- made their appearance on the it has been possible to reduce tional uses to which the motori streets of Paris at hiring rates fares to 80 centimes for the first vehicle may be put. It will also only half those of the present fufl kilometre, 50 centimes for each enable them to secure authorita- size cabs. The company

res additional kilometre and 6 franes tive data on distribution systems ponsible for this venture intends per hour for waiting. At present used by department stores, dairy to bring it cabs our at the rare exchange this is equivalent to establishments, municipal depart- about sixteen cents (Mex) per

ments and other major economic of twenty-five per month until a

enterprises: mile. total of 100 is attained.

An attempt has already been

"Efforts are being made to hare Paris

to popularize tour include visits to as great a 1.9 by 3.3 inches bore and stroke. sidecar taxis at cheap rates, but variety as possible of establish- This is equipped with it met with no success, principal-ments," says the announcement landaulet body for one passenger ly owing to the lack of protection Mr Rathbun. "This is essen- only, and makes no provision for .of these vehicles and their poise. tial in order that each delegate

A Peugeot chassis is used with

a four-cylinder engine of only made in

A STUDY IN CONTRASTS.

THE TORTOISE AND THE HARE-

may secure ideas of possible ap- plication to conditions in his own country."

A

The use of motor tracks in dairying establishments has special interest to a delegate from New Zealand where the produc- tion of milk products is an import- ant industry. On the other hand, the transportation of lumber will have an aspect of local interest to the delegate from Sweden, where mantifacture of pulp is of con siderable proportions."

"Then there are distinct utility ares of the passenger car, that should interest delegates from in portant centres such as London with its large commercial estab- lishments and possibilities of in- creasing the efficiency of sales- men in business calls.

"To delegates from Brazil and Argentia where large expanses of land exist, the use of the car by real estate companies should con- tain suggestions worthy of study.” "It is also felt that the data; obtained from these first hand in vestigations will be devoid of bias and consequently can be used most affectively by the delegates in advocating new uses of motor vehicles in the local enterprises of their native countries.”

PROPER OILING FAYS, Increased afficiency and pulling power are helped by Inbricating properly. A good grade of oi will make an appreciable addition

the miles pe

MR.

AS SUPPLIED TO - THE HONGKONG

- GOVERNMENT.

„Obtainabla in ailə gizza

from stocks carried by. The - Hongkong and Kowloon Taxiääb do.... Lil Kowloco, and J. Gilads & Co. Alexander Bandings C.Tot [Sta days & Holidays 0, 6532)

DUNLOP

Rubber Co.(China Ltd)

Founders throughout the World of the ----- Puzumatic Tyre Industry. 4. Des Youx Road, Central, Hongkong Phone C4554

CAR OWNER!

Why not send us those LAMPS, FITTINGS, etc. from your car and let us make them like new?

THE ELECTRICAL DEPARTMENT OF THE HONGKONG HOTEL. EXPERTS IN PLATING.

THE HONGKONG, AND SHANGHAI HOTELS. LTD.

BRITISH CARS

By special arrangement with the Austin Motor

Car Company, Ltd., we are now able to supply AUSTIN twelve and twenty h.p. cars in Hongkong. all charges paid, at the English factory list prices. Immediate delivery can be given on 20 b.p. Touring Models.

Austin

Prompt shipment on all other models, Catalogues may be obtained from the SOLE AGENTS.

Alex. Ross & Company,

(China) Limited:

Bank of China Building, Duddell Street. Telephone Central 2487.

NOTICE TO ADVERTISERS.

Firms desiring fi

tiea presented thköägh the ly copy not later

the publicity facili

aquested to send. receding publication.