1929-02-07 — Page 14

1

14

Come and

-

See the

Two Fine

Values

Model 1.29 3.49 h.p. O.H.V.

AND

Model L29

TWO PORT

3.49 h.p. O.H.V.

And Then---

“Lead {

The Way

on a

THE RE-DESIGNED

B.S. A.

MOTOR CYCLES

EMBODY

Large Additions of Great Importance for

1929

Full Particulars from

SINCERE'S

B S.A."

THE SOLE AGENTS.

*

WHAT YOU

WANT

is a machine of quality at a low price.

We have now in stock

GILLET D'ERSTAL 32 WORLD'S RECORDS

Models from H.K.$470 up.

F.N. 23 WORLD'S RECORDS

Models from H.K.$480 up.

and

MONET & GOYON

Fitted with the famous M.A.G. engine holder of 26 WORLD'S RECORDS Models from H.K.$360 up.

also Side-cars Accessories and Spare Parts.

Sole Agent for Hong Kong and South China: THE FRENCH MOTOR CYCLE CO. 46, Nathan Road, Kowloon.

Sole Agent in South China for: BROCKWAY MOTOR TRUCKS

Beam-Lite Auto Bulbs

THE

· and BUSES

Hartford Batteries

ASIATIC AMERICAN CO.

OFFICE:

48, Stanley Street, Tel. C. 244.

1

SHOW ROOM:

11, Queen's Road. E. Tel. C. 575.

ESSEX SEDAN

$2,550

1929 Model

NOW ON VIEW

KIN CHEONG HONG

Road Central

LUBRICATION

MOTOR-CAR ENGINE

ADVICE

[By Mr. L. A. Parker)

THE CHINA MAIL,

Olls of light body are easily atomised to form a fine mist-- heavy bodled oils reslat this pro- cess which is essential in some lubrication systems.

Whatever oil is used, it must be of such a body that the lubri . Illustrated by lantern slides, a cation system employed will dis- paper on the lubrication of motor- tribute it to all the moving sur-] car engines was read on Tuesday faces under the most severe con- cold. evening by Mr. Lewis A. Parker, itions when the oil is M.I.Mech.E., M.I.Mar.E., (of the Consequently the lubrication sys- Vacuum Oll Co.) at the Institutem must be carefully considered tian of Engineers and Shipbuild- and analysed before a selection ers. The gist of his remarks fol- can be made. lows:-

All Difer

No machine can work without lubrication, and too much atten- All oils offer a certain resist- tion cannot be paid to it, as the ance to motion, and the more vis- life of a 1 or car depends upon cous they are, the greater is this the quality of oil used: There is, resistance. Too heavy

an oil however, difference between should not be used as it creates a "Lubrication" and "Correct friction drag, reducing engine effi- Lubrication." There is a long dis- ciency. The pistons move up and tance from a "no-trouble" stand-down in the cylinders at a high point to perfection in operation, rate of speed, and in doing so they and it is only by carefully analyz-shear and displace the oil on the ing the actual conditions, and cylinder wall, and the loss due to using specially selected oil, that this excessive oil drag amounts to perfect results can be obtained several horse power. So if we use and maintained.

an oil more viscous than is requir ed to prevent "blow-by" we waste Avold Trouble Buying oils by "specification" is Power in overcoming the oil drag, All fuels and lubricating oila a mistake. It is quite possible to make an oil to a specification--or contain carbon, as they are form- near enough which will destroyed by the chemical combination of your engine. The fact that it is carbon and hydrogen in various proportions. There is no such up to specification is no guarantee thing as a "no-carbon" oll, and of ita lubricating value.

Another thing, it is common to the heavier the oll, the more car-

bon. refer to different grades as Light, Medium or Heavy, and oils are Power and Economy often compared and bought on The amount of power, and de- that grade. There is no universal gree of fuel economy which can standard of designation, and as he obtained from an engine de long as refiners use their own stan-pend on the compression pressure. dards, if you ask for a Medium The higher we can make this, the oil, you may get Medium as far as more efficient is our engine, but that refiner is concerned, but it under normal conditions with pre- may be another refiner's Light, or sent day fuels, we cannot go much Heavy. To avoid any trouble, over 80 lbs. pressure without the you should always ask for oil by engine being sensitive to "knock- brand, names and grade..

ing."

Three Functions

THURSDAY, FEBRUARY 7, 1929.

***

USED CAR VALUES

(unusual

FIVE SPECIAL OFFERS.

STUDEBAKER Touring Car 1926 Model, 5-seater STANDARD 6 27.34 h.p. Owner Driven, Mileage

8,397

H.K. $1,500.00

Touring Car 1924 Model, 5-seater 13.9 h.p. Owner Driven, Mileage 18,000

H.K. $1,000.00

MORRIS OXFORD

MORRIS COWLEY

MORRIS COWLEY

Touring Car 1925 Model, 5-seater 11.9 h.p. Owner Driven, Mileage 10.127 ...

H.K. $.800.00

Touring Car 1924 Model, 5-seater. 11.9 h.p. Owner Driven, Mileage 15,000

H.K. $600.00

STUDEBAKER Touring Car 1922 Model, 5-seater LIGHT, 6 25 h.p. Owner Driven, Mileage

23,000

H.K. $500.00.

i only requires a slight deposit THE HONG KONG HOTEL GARAGE

There are three principal func-of carbon in a high compression engine to do this, and it is quite tions of lubricating oil.

Firstly-It must lubricate, i.e., feasible that such an engine may It must form a film between the be very economical in oil consump working surfaces, thus eliminat-tion compared with an engine of ing solid friction, and replacing it low compression.

So we have to consider "knock- by the lesser fluid friction, pre- venting wear of parts, and loss of ing" from a lubrication stand- point if the engine is one which

power.

25 Queen's Road Central

Secondly it must make the is sensitive to carbon deposits, we Don't carry a higher pressure piston gas tight, ie.. it must se must use a clean burning oil, on than is absolutely necessary, and the piston so that the gases of ex-the other hand, if the engine is this can be ascertained by care- plosion cannot leak past, other-not sensitive and the working con-ful recording of the mileage, and wise you lose power whichditions severe, a heavy oil may be examination for carbon.

without any detrimental means more fuel for the same out used

effects. put-which means more money.

Thirdly-it must be able to transmit heat. The heat from

Common Idea

Best Remedy Where over lubrication in- creases gradually, with a corres- It is a common idea that when ponding drop in pressure, an al- the piston must pass through the an engine becomes worn, a heavier teration of the relief valve to still film of oil which is between the grade of oil is advisable to get further lower the pressure is piston rings and cylinder wall, in better sealing and economy. You usually effective. order to be taken away by the cannot expect oil, regardless of its The best remedy, however, is to cooling water. Now oil is not gen- body, to take the place and do tighten the bearings. erally a good conductor of heat, the work of metal that has worn The long life and satisfactory and therefore you must use an oil away; you cannot seal defective performance of your machine de properly prepared if it is to per- rings and slack pistons with oil. pends entirely upon correct lubri form this function.

Besides, to put in a heavier oil is cation, the cost of which is negli- Temperature

to invite trouble from imperfect gible when compared to the total There are

three conditions distribution; objectionable carbon expense of car operation. There which must be fulfilled in order to formation; power loss from exces-is no other factor which contri- secure the best results:-

sive oil drag, with corresponding butes in the same degree to its

long life and successful service,. fuel waste.

.The oil must be of good qual-

If an incorrect oil has been used It means the use of a high ity.

It must be of the correct body in the first case-suy a lighter quality oil of the proper body and character,

i.e., correct bodied oll, better results will be and character for the unit, and the grade, to meet the design, con- obtained by changing to the hea- correct use of that oil. Correctly lubricated your repair bills and struction and operating condi- vier, correct grade. tions of the engine, and

The proper procedure is to re-depreciation charges are reduced place the worn parts, put the en-to a minimum. gine in good condition and use the correct oil.

It must be used in the proper

way.

-

.

AUTO STYLES

LEADERSHIP IN AMERICA

There are many factors of en- gine design, construction and

Essential Problem operation which affect the selec- Provide a small drain at the tion of the correct grade for any lowest point of the crankcase, particular unit. In many in-land draw off some of the oil at

Leadership in automobile styles stances the exact influence of intervals, after the engine has some one or several of these fea- been standing, into a clean, clear is definitely passing from Euro- tures can be determined only by bottle. Allow it to

stand and pean to American control, in the extensive test work. Experience separate.

If water comes out opinion of Mr. R. S. Cole, Hupmo has shown, however, that there first, let it run away. Early in the bile vice-president in charge of are four fundamental factors morning, after the car has been sales. which must be considered in standing for some hours is a good | America's new priority in motor

analysing the lubricating require time to do this.

lows:-

(1) Operating temperatures." (2) Oil distribution.

(3) Piston ring seal.

car design was one of the signifi-

this year's ments of any engine, and theso If the separation should show cant features of

at Paris and factors Bre classified as fol- sludge, it would be advisable to automobile shows

thoroughly clean out the crank-London, according to Mr. Cole, who case, and remove every trace of recently returned to Detroit from deposit.de

a European trip in which he made The essential problem of lubrica a careful study of automobile as disclosed by the wide (4) Carbon sensitiveness. tion is to supply the maximum trends The chief factor affecting the quantity of oil to the bearings range of now models displayed at engine temperature is the service without too much being thrown on the two exhibitions."

the cylinder walls. Most pressure "While In the past it was expect- which it performs. The heavier oiling systems fulfil the first of ed that American cars would fol- and more constant the load, the these requirements, and if the oil low the styles of European de-

more fuel will be burnt, and con-

A "Don't"

sequently the engine temperature pressure is reasonably low, suit-signers in their manufacturing sub- will be higher. For example, the able splash guarde fitted, piston sequent to the Paris and Olympia air-craft engine running continu-rings pegged, the cylinder lubri-shows, the impression one gained ously with full throttle, means

cam will not be excessive.

this year is just the reverse," said high temperature. A tractor

Mr. Cole-after his arrival at the working at full load, and slow With pressure olling systems, Hupmobile factory in Detroit. speed, means high temperature, main and crankpin bearings have "Formerly American manufac The usual motor car engine is worked for long periods without turers went to Paris and London rarely operated at full load for any wear, a result which cannot to get the trend of the year's any considerable period when, be obtained with splash lubrica modes in automobile, as revealed by however, it does, it moves at high tion, where a slight, alteration of the creations of Europe's designer, speed where it gets ample cooling oil level means either over or un- but the latest, and most beautiful draught; it is subjected to fre- der lubrication. The margin of types of Europe's automobile quent slowing down which is safety is undoubtedly greater factories exhibited this year fol comparatively light service result with pressure, systems, lowed closely the styles already Fing in moderate temperature. Many people think that a drop announced in commection with the

Tel Central 4759.

BUYERS GUIDE

MOTOR CARS.

ARMSTRONG SIDDELEY.-Hongkong Hotel Garage, Queen's

Road. C.4759.

BUICK. The Dragon Motor Car Co., Ltd., 35 Wong Nel Chung

Road, Happy Valley. C.124T.

CADILLAC Hongkong Hotel Garage, Queen's Road. C.4759. CHEVROLET-Hongkong Hotel Garage, Queen's Road. C.4759. CHRYSLER-A, Lung & Co., 19, Queen's Road, Tel, C. 1219. HANOMAG.-Wal On Tseung, Ltd., 243 Des Voeux Road, C.

Tel. C. 711.

MORRIS-Hongkong Hotel Garage, Queen's Road. C4759. OAKLAND-Lane, Crawford, Ltd.

OLDSMOBILE.-The Dragon Motor Car Co., Ltd., 38 Wong Nei

Chung Road, Happy Valley. C.1247.

PACKARD.-The Dragon Motor Car Co., Ltd., 38 Wong Nei Chung

Road, Happy Valley. G.1247.

PONTIAC-Lane, Crawford, Ltd.

ROLLS-ROYCE.-Hongkong Hotel Garage, Queen's Road. 0.4759. SINGER.-G!lman & Co., 40, Des Voeux Road Central. STUDEBAKER-Hongkong Hotel Garage, Queen's Road.. C.4769. VAUXHALL-Lane, Crawford, Ltd.

WHIPPET. Gilman & Co., 4a, Des Voeux Rd, C. WILLYS-KNIGHT.-Gülman & Co., 4a, Des Voeux Road Central.

MOTOR TRUCKS AND TRACTORS. BROCKWAY MOTOR TRUCKS-The Asiatic American Co. Tel.

C. 244.

CHEVROLET-Hongkong Hotel Garage, Queen's Road. C.4769. FEDERAL TRUCKS-Kin Cheong Hong, 37, Connaught Road C.

Tel. C. 6.

G.M.C. The Dragon Motor Car Co., Ltd., 33 Wong Nei Chung Road.

Happy Valley, C.1247.

GUY.-A, Lung & Co., 19, Queen's Rd., C. Tel. C. 1219. MORRIS.Hongkong Hotel Garage, Queen's Road. C.4759, STUDEBAKER.-Hongkong Hotel Garage, Queen's Road. C.4759. WILLYS KNIGHT TRUCKS-Gilman & Co., Ltd., Dea Voeux Rd, C. MOTOR CYCLES.

Tel.. C.

B. S. A-The Sincare Co., Ltd, Des Voeux Road. C.1087. NEW HUDSON.-A. Lung & Co., 19, Queen's Road C..

1219. RALEIGH-A. Lung & Co., 19, Queen's Road, C. Tel, C. 1219. ROYAL ENFIELD.-A Lung & Co. 19, Queen's Road C. Tel. C

1219.

TYRES AND ACCESSORIES. ACCESSORIES.-Hong Kong Hotel Garage, Queen's Road. C.4759. ACCESSORIES. The Duro Motor Co., Nathan Road, Kowloon K.226. "AUTO-TOTAL FIRE EXTINGUISHERS-Keller, Kern & Co., Ltd.,.

18-19, Connaught Road, Central,

COLUMBIA FATTERIES. The Dragon Motor Car Co., Ltd., 88,

Wong Nel Chung Road. Happy Valley. C.1247. FIRESTONE TYRES The Dragon Motor Car Co., Ltd., 88, Wong

Nel Chung Road, Happy Valley: 0.1247.

MILLER ACCESSORIES. A Lung & Co., 19, Queen's Rd, C.

- Təl. C.1219, dat

MILLER TYRES.-A. Lung & Co., 19, Queen's Rd., C. Tel. CA219. PRESTOLITE BATTERIES-Hongkong Hotel Garage, Queen's Wide Ronda CP1759.

Engines Differ

in pressure theans a lack of 1920 models of American cars, on one floor and still Engines differ very much from lubrication, and adjust the by- "One thing that always impresses the bast the temperature stand-point, and pass to give more pressure By the American visitor to the Faris with com in order that the right all be doing this, they pass more oil show is the sise of the building in in selected each engine should be through the bearing clearances which it is held and the epace very telling

vailable, for exhibits. When it is five cars at carefully analysed. If the com- and on to the cylinder wall

ddered that in a show of this bination of these factors indicate which means

made to display high operating temperatures, The correct

an cars but heavy body lubricant is desirable, the relief

If however, only moderate tem. will passed) peratures are: indica oils of the bear greater uidit

PROMPT REPAIRS