1928-09-20 — Page 12

12

1928

ESSEX

COUPE

H.K.$2,500.00

-Completely Equipped.

Sole Agents:-

KIN CHEONG HONG.

37, Connaught Road Central,

Tel C, 6.

MONET-GOYON

NEW SHIPMENTS OF THE LATEST MODELS ARE EXPECTED AT AN EARLY DATE.

CALL AND BOOK YOUR MACHINE NOW. For full particulars apply to

THE FRENCH MOTOR CYCLE CO.

46, Nathan Road, Kowloon,

Great Moments In

The Lives of

Motorists

No. 3

of a series of 5

you've had an

Wunpleasant experience

with tires and you've decided to buy a complete new set

only to find that you can't get

all the information you want regarding mileage records and service and other things that men who buy tires want to know today and- Q You come into our store and we give you just the in- formation you want about Millars and the names of Millar owners who will tell 'you more and you decide Millers are the kind of tires you've been looking for all

the time--man-you're an

the right track at last,

Sold Agents:

LUNG 2 CO.

SHOW BOOK:

19, Queen's Road C.

Tel: C 121

148 M.P.H.!

WORLD TRACK RECORD BEATEN.

PACKARD CAR.

THE CHINA MAIL,

SUPERCHARGER.

FOR AUTOMOBILE AND: AEROPLANE.

INTERCOOLER DEVELOPMENT.

It

FOR OVERSEAS.

SIX-WHEELED STEAM WAGGONE.

A SPECIAL MODEL.

Those interested in heavy

success

A supercharger for automobile road transport in general and aeroplane use is a blower! throughout the British Empire device which increases engine will no doubt welcome the new power through forced Induction six-wheeled steam waggons, espe of fuel. This idea originated in cially designed for service over- Germany: over five years ago. seas, which is now being put on was employed on an old Mercedes the market by the "Sentinel" which was archale in body design Waggon Works, Ltd., of London yet carried a power plant which and Shrewsbury. The new was years ahead of the market. vehicle is known as the "Sentinel Like many German motor vehicles, Overseas Six" and is based on the weight killed its usefulness for the standard Sentinel six-wheel quantity production. But the rigid frame steamer, which was Idea of fual expansion has been exhibited for the first time at developed until to-day It has gone Commercial Vehicle Exhibition through the experimental stage held in London last November.

The instantaneous and is ready to be adapted for road: work in Britain.

achieved by the latter waggon, The one great drawback in the which is built to carry 12 to 15 supercharger was the secessity of ton loads on British roads, and over-expansion of fuel going into the large number of orders re- the engine with the necessary loss ceived, has led the "Sentinel" of considerable power. This Company to produce a similar use, where meant that small power plants model for overseas could not use the supercharger the conditions are more arduous because there was no way to con- and roads less perfect.

The "Sentinel Overseas Six" Cylinders trol the fuel intake.. could not stand the pressure with-has been designed for 8 to 10 tons out snapping at some vital point. loads, which are considered ample For passenger cars the superchar-in the circumstances, and the only ger has been impractical up to the important modification that has present time. With the Intercool-been embodied in the design of ers now ready to overcome this the "S.O.S.," as it has been nick- engineering difficulty, small horse-named, is the position of the powered engineera will rapidly boller, which is now placed behind the front axle. The result of this come into the automobile picture,

There are various types of inter-change is that the weight im- coolers which are in the laboratory posed on the front wheels is very stage of development, mostly in considerably reduced, and in con- sequence the vehicle rides more use on racing cars and aeroplance easily over bad roads and is less speed compression liable to sink in when passing over tests the cylinders to the utmost soft patches. After functioning to the limit at

The rigid framed six-wheeler close to 125 miles per hour, the is now coming into auch general problem of adjusting intercoolers use for heavy transport purposes, to an automobile engine operating at and its "raison d'etro" is so well normal speed becomes less complex. known, that there is no need to With the practicability of this enter into explanations here. As device assured by the hardest kind the makers put it, "six wheels; of teata on the track, there is no are better than four," and users doubt that the supercharger will who have tried both entirely be seen on 10-15 horse-power, 4 agree. to 6 cylinder very latest cars.

where high

Another advantage which the SERIES OF ALUMINIUM TUBES. six-wheeler holda over the four One type of intercooler develop lies in the fact that in the string- ed more than a year ago consistedent legislation which is being en of + serica of aluminium tubes acted in many parts of the world aligned so as to connect the super in connection with the limitation charger with the engine without of axle loads, necessary to meet the existing road. conditions, con- in any crowding the mechanism way. On this job the carburettercessions in favour of the six- was mounted under the cowl ont is obvious that this type of wheeler are generally allowed, as the back of the supercharger or vehicle does les damage to the from the suprcharger entered the roads than its four-wheeled coun-

terpart. large finned intake manifold or in- tercooler, expanded slightly from the force of the charge, then con-

blower device. The fuel mixture

Water

tracting with the cooling surince cam-shaft housing. It is directly reduced the temperature just coupled to the camshaft, enough to get the greatest possible is drawn from the bottom of the amount of power from the forced intercooler and taken from the top, Induction. Without the inter-from whence it flows to the top of cooler the heat blow striking the the intercooler radiator, In other cylinder at full force strained words, the flow is oxactly as in the the cylinder to a point beyond cooling system of the engine,

Like the capacity and at the same time lost

four-whee! brake, fuel through too wide expansion. balloon tyres, oll rectifiers, sleeve Another intercooler device devel-valve engines, and small, com- Graphic detalle relating how Leon

consisted of 2 pactly built motor vehicles, styled Duray, prominent racing driver, oped recently broke the world's track record copper tubes, each about nine in- to catch the feminine eye, the super- on the Packard Motor Car Company ches long and one-half inch in device to control the intake of fuel These tubes are as-is bound to make its appearance on Proving Ground, are given below, diameter. He drove one lap of 2 miles at/sembled about as are the tubes in some of the new models for thei a Ford radiator except there are coming year. European practice 148.1 miles per hour.

are of economy on account of the ex- At this speed and on this track no fins.Thèse 72 tubes his Firestone tyres were subjected to divided into two groups, one group cessive motor vehicle taxes, makes an unusually severe test Few for each block of four cylinders. the new horsepower job a neces

Seven and ten horsepower people realize the terrific strain The mixture for the engine is sity." thrown on tyres on the straight delivered by the supercharger to engines on the continent and in away, and the still greater strain a bottom passageway to which the England are a common sight on the

Up through highways. thrown on them when taking the tubes are attached."

Motorists are realizing that 40 turns on an oval track. With Du- these capper tubes the mixture ray's car travelling more than 148 passes on its way to the cylinder and 50 horsepower jobs carry too miles per hour, it is estimated that As this intercooler is directly in much power fer ordinary the wheels were revolving at an aver-line with the cooling air that passes Highways of the modern type have age of 1657 times per minute. On through the radiator, the action is less and less road pull every year the stretches the wheel speed reach-every effectual,

use.

and consequently there is less and

ed approximately 1786 rims per FOUR DOWN-DRAFT PASSAGES less need for high-powered engines. minute.

There is no doubt but that the six,

One engineer has devised an cylinder engine is steadier than one The intercooler which consists of four with four cylinders bat for every-

To travel at record speeds, tyres must be perfectly balanced.

The super-

dangers of imperfect balance can be down-draft passages, each liberaday use the latter size is quite better understood when a study sly pinned and placed in line on enough for anyone.

When the left side of the engine. The charger was originally designed for made of centrifugal force.

a big, heavy 12 cylinder engine, driving at record speeds centrifugal Bupercharger draws the air: in force is measured in tons. Tyres of through the carburetter and forces which operated normally at. 40 to the size used by Duray, are inflated tha charge up through the centre do horsepower. Having a super- to 70 pounds, yet when driving at passage of the intercooler to the charger which was driven at about it is dis-five times the engine speed showed a pared of 148 miles per hour, the header.

From here

centrifugal force is 80 great that tributed to each of the four pas engineers that the horsepower al- the tyres become egg-shapped. These ages for cooling before entering most automatically raised from 80 to 120 horsepower. No ordinary engine tyres at rest measure 5.02 inches on the engine

Yet another Intercooling device could stand the strain. When in motion standing height. nt.148 miles per hour, they, measure causes the incoming charge, of 5.51 Inches In standing height fuel. not from the supercharger, IN 10-20 HORSEPOWER ENGIN

Not long ago the public looked to turn a couple of right angles,

The problem, therefore, was to upon automobile racing as pure strike the cooling surfaces, and design a supercharger which could sport, feeling that racing conditions bence cool down and contract operate efficiently in a 10-20 horse- were so far removed from those bit so that more fuel can be forced power engine. Automotive engineers 1 working along these lines found faced by passenger car owners that in for each explosion. there could be no connection. Con-One water-cooled Intercooler has that by forcing the fuel directly ditions, however, have changed and been found practical. It has from the carburetter to the engine so-day, all car manufacturers, watch a separate radiator which sur-meant not only too much strain on pal rounds the regular engine radiator. the cylinders in trying to scavenge every racing development.

Spoeds of passenger cars are The metal is chromium-plated. At completely, but also in vapourizing greatly increased and startling the bottom of the Intercooler is the fuel much of it was lost on ec marks have been set by skilful copper tank, and on the sides of ount of over-expansion. drivers using stock cars. High the regular radiator are copper The Intercooler takes care of this powered oara, better roads, lower car tubes which cool the water from problem, most satisfactorily. By design, boulevard stops, traffic the Intercooler. This intercooler cooling the mixture, to the proper algnals, congested traffic, more fre- looks like a regular intake mani polat every chance is given to the A quent and quicker starts and equally fold having double walls with the engine to absorb fuel without lose. Instead of forcing the mixture too frequent and sudden stops, cause water circulating between them. combination of service conditions CIRCULATION OBTAINED, fast it controls the run so that com that make the lessons learned in Circulation is obtained by the plate energization takes place with racing of vital importance to every use of a centrifugal water pump out tiring the engin

mounted on the end of the left Acienes Monitur,

THURSDAY, SEPTEMBER 20, 1928.

CHRYSLER

presents

entirely new style creations in the low-priced field

Plymouth 4-Door Saloon

PLYMOUTH

ALL Chrysler research, engineering and

for quality in the low-priced field. The

All Chrysler ring the pres inspired Plymouth assures to its advantages the

by the fundamental motive of giving ever greater quality and value.

Now with a new product-the Plymouth -Chrysler is the first to give at so low a price the advantages of performance, riding ease, dependability and full adult size which characterise fine care of higher price.

The Plymouth finally answers the search

A.

SHOW ROOM:

full measure of quality and value to which buyers of low-priced cars have long been entitled.

We believe there has never been a cur anywhere near its price that can approach the Plymouth for power, pick-up,smooth- ness, easy handling, safety, quietness and roominesi~nor, that can equal it in beauty and style.

Price $2,385

Completely Equipped. Sole Agents ———

&

LUNG & CO.

19, Queen's Rd., C. Tel. C.1219.

SERVICE STATION: Percival St., Wanchai.

Tel. 4316.-

ALWAYS INVESTIGATE WHAT GENERAL MOTORS HAS BEFORE YOU BUY

GENERAL MOTORS

With

BUICK

'Six Cylinder Engine

11⁄2 Ton Complete as shown

$1440

fb.Pontiac, Mich.

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On the streets and highways. throughout the world these Buick- powered General Motor Trucks are setting a new standard of per formance. Speedy, but safe. Easy to handle in traffic. Covering a wider territory profitably. With a rugged stamina and long life that make for amazing economy!. Investigate these great values-typical of our complete General Motors Truckline!

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Six Cylinder Englos

Chawla Pricing? 14. One Tou

Oseand one-heline $1185 Two Tone $195.0

“haval pour drive) Two Tone • • #2058 Colid tires wordo que dzīva)

E by the

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$3690 to $5820

"All prices L'o

THE DRAGON MOTOR CAR CO., LTD.

phone Central 1245 or 1247

33 WONG NEI CHUNG ROAD, HAPPY VALLEY.

A TRUCK FOR EVERY PURSE AND PURPOSE