HINTS
FOR THE
THE HONGKONG TELEGRAPH, MOTORING SUPPLEMENT.
MOTORIST
ALBERT L. CLOUGH
WEAR OF REAR TYRES.
ROAD. DANGERS.
FUEL PROBLEMS.
Tram That Give. No Aids to Combustion.
Signals.
the
A FEW FACTS. "HE WHO HESITATES—” One of the most important ion. Motorists always seem to men-relationship between the motor
les of research is that of sure road dangers according to the and the fugl that is fed into it. size of the vehicle concerned. The United States Bureau of They assume that a car weighing Standards is studying just this re- two tons is twice as dangerous to other road users as one that lationship in order to improve
weighs only one ton, and so on.
one.
the motor and find fuels that will
in use.
They should be inspected occa-line at different sections of the sionally for anything abnormal trend. Loen) wear and injury to certain sympathy with this idea..
I think we must all own to a go best with whatever types are about the way they are wearing. tread la often caused by a tyre Nearly everyone is averse from try-effect of certain fuela on certain If the trend of one seems to be chain, which is adjusted so muching conclusions with an adversary:
A method of determining the wearing down fouter than the too tightly that it does not creep larger than bintself, and size alone motors is to see what the gasoline other due allowance belig made around the wheel, but remains often inspires fear. for the mileage that each has de-one position, so that cach cross
does toward accelerating the en livered-it is likely that the brokochain bears always in one place does not help much to justify this on the wheel with the excessively on the trend upon which it leaves fear, and often the larger vehicles
On the road, however, experience gine under certain conditions. worn tyre aels more promptly and its mark.
In the search for these tell-talo more violently than the other and
A Shrill Squeak.
are far less dangerous to their facts, the, engineers have asked thus the trend rubber of its tyro) Question:-Lately I have been.
sister road users than the smaller themselves two questions. One is ground down excessively, annoyed by a shrill squeak which Sometimes one brake locks is comes from the engine of my '
There is no doubt that big cars Why is it that when you step wheel in emergency stops and the car whenever it is killing or run respect by the public generallyly, the engine sometimes misses?
and lorries are treated with greater down on your accelerator sudden- car aliden over the rough surface ning very slowly. It sounds as if on one single portion of the tyre some part needed labrication, but doubts this has only to drive a event, is the fuel to be blamed or than small ones. Anyone who The other question is: In such wearing a flat spot in the trend, everything is "well oiled and baby car, and then a lorry, al the engine or the carburetor If any of these localized worn greased and I can't see how any ternately about the streets of which mixes the fuel and air for spots are found on one rear tyre, part' can be running dry. This it indicates that the brake in this squeak is exasperating. Can you London, and notice the difference the engine? wheel is doing most of the stop-help me to locate and stop it?
in the measure of respect paid to ping and brake equalization is Answer: Sometimes 2
him by pedestriana. slight urgently called for.
Partial answer has been found The locking leakage of gas produces a high and aiding of wheels cannot be pitched squeal which sounds like driving the baby car his finger
He will notice that while he is for these questions.
For instance it has bean discov- entirely prevented, but carefully frictionid noise. If the leak Is hardly ever leaves the horn button.ered that the character of the fuol avoiding "close quarters" with at a joint where there is a gasket, People treat him with contempt, no has something to do with the per- other car and running slowly in the gasket vibrates like a reed in doubt on the theory that if heformances of the engine during nc- traffle will minimize the necessity a musical instrument as the gas does hit them, they are not likely celeration. One fuel may not be for it far more than many drivers pusses it. A realize.
loose to be much damaged. slightly Locking of wheels en exhaust
as good as another and yet per- Hange of carburetor cars that have good four-wheel flange may be the cause of a
Fear of Large Vehicles,
form better under certain condi brakes should occur very seldom squeal like this. Unless the car-lorry, he will not have to indulge performance than another and yet tions. In winter time one fuel indeed. A wobbly rear wheel buretor is tight at its connectingin half the hurn blowing, especial- might be poorer than the other fuel In the case of a large car or may produco better acceleration Capaus serious wear of its tyre flange, air will be sucked in at thely if the lorry is a large one, as under summer conditions. trend, as there inevitably alight slip on the road at each is nearly closed, as during idling, people treat the great vehicle with
is a leak, especially when the throttle rotation. Occasionally one should and a piercing weak may be his approach. This little fact is respect and require no warning of watch the rear of his car,. as it given out. Tighten your is driven away from him, and if buretor and exhaust flanged joints more marked in the case of a the tyres do not run true, this de- and if this doesn't stop the noise, blesele. feet should be corrected. The please write us again.
Motorists are visited by the same tread-wear on tyre which runs Oil Filters & Air Cleaners. sort of fear, and pay far more true, should be equal on both sides Question: Would you recom-respect to a large car than to a of its centre line throughout its mend the installation of an oil-small one. entire circumference, but if it alter, air-cleaner and gasoline responsible for much of the talk well with a cold water jacket as I think this is also the power plant will speed up as wobbles badly there will be an straiter on my 1026 car, about the danger caused by large with a hat one.
of wear which was not originally equipped lorries and motor-coaches, but inside and outside of the centre with these devices? I change personally, though I also feel ation is the temperature of the mix- What does affect the accelera- crankense oll each 500 miles, clean certain amount of awe when enture that enters the engine. If out sediment from the gasoline countering these large vehicles, this is preheated, as many motors and am careful as to upkeep, have usually found them far easier provide, it will accelerate the en- Answer: Our feeling is that to deal with than small private gine as efficiently as the fuel-and the installation of an oil-giter is worth while, as tending to reduce
In the case of narrow roads, en-
the molor-will allow.
For It would countoring a huge coach wear of engine parts.
this purpose the intake or a probably enable you to run some-lorry with trailer is distinctly manifold is heated from the ex- what longer on each charge of oil disconcerting, and many of these haust, and the fine spray that and thus reduce labour and ofl-great vehicles are allowed on roade comes from the carburetor is fur- consumption to some extent. nwhich are far too narrow to taką
ther volatilized. almost up to the air-clenuer is a good thing, but can them with safety. Most of the point of combustion in some on- hardly be considered ne peremp-lorry and coach traffic is very well gines even before it rets into the torily required unless a car is driven at the present time, though
combustion chamber. operated a great deal in dusty air. there are exceptions particularly The gasoline strainer is malply with regard to short distance local valuable in preventing obstruc- 'buses.. tions occurring in the fuel Teed
Passing TrumM.
unequal distribution
YOUR CAR SHOULD CABRY AN AUTO-TOTAL. THE BEST MOTOR CAR FIRE EXTIN- GUISHER IN THE WORLD.
Prices from the Sole Agents,
KELLER, KERN & Co., Ltd.
18, Connaught Pond, 0, Telephone 0. 3120,
NOTICE
TO
ADVERTISERS
All advertising to be
inserted in this Motor
Supplement, must be delivered
not, later than 2 p.m. on the Wednesday of the week of publication.
where.
car-
car.
*
to accelerate with cold engine. We have often found it difficult But the government engineers find jacket, which is practically that of that the temperature of the water the engine, has nothing to do with the motor's acceleration. In fact
before combustion the better does the engine operete and the mere effetency ia obtained from the fuel.
The more volatile the mixture
4
| system and in obviating the neces One must realise that in passing sity of cleaning out screens in the in big vehicle there are certain vaenim-tank, carburetor and cise-contingencies and dangers which the study the Bureau of Stand Fuel volatilization is part of must be allowed for. To start ards has set for itself in this con Poppet Valves Ve. Sleeve. Vulves, with, one cannot see as well round nexfor
Question:Considering an en-ree-ton lorry as round a smail worked with lean and rich mix- The engineers have gine of the ordinary poppet-valve private car. This is no fault of tures in various degrees and have type and one of the Knight sleevery's, but is a necessary is measured the degree of motor ac type, (1) Which is superior in advantage of the large vehicle, celeration obtained from the use acceleration And hill-climbing and, providing the lorry is keeping of each. They have tested ability? (2) Which is the mure the left of the road, it is up in bureters working alone and oth- economical as to gasoline, oil and the passing motorist to take the fers with the attachment. of vari repairs. (3) Which is the castor utvessiry, precautions. to keep in repair? (4) Has the
Another difficult type of vehicle been designed to give practically ous auxiliary devices which have Knight type longer life and does it to pass is a tram. For one thing as good acceleration with improve with use?
(6) Do you tram has a rale of the road all low-grade, fuel as could be got think the sleeve-valve will be more own, and refuses to conform to with a better fuel. generally used in the future?
the ordinary conventions. If a Answer:-(1). There is
no
"
With tram lines, as they gen- the
ear-
any
10
motor bus stopped in the middle these engineers how to get better Ultimately we shall be told by material difference, He long as the of the road to put down its pas-performance with the use of legs valvular action of both remains sengers the driver would be taken effective. (2) Gasoline and oil off to the nearest police station consumption are substantially the or to a lunatic asylum, game, sa long as valvular action continues correct, but the sleeve erally are, near the middle of the board or get off the tram. Again,
people who want I valve engine requires less repairs. road, if the motorist passes on the tram never gives any sort of (3) The Knight type, because Its offside he must be completely on signal as to when it fa going to valve action deteriorates imper-to the wrong side of the road, start or stop, which makes passing ceptibly as compared with that of where he is a danger to himself still more difficult. the poppet-valve engine. (4) The any everyone else, or if he passes Knight engine has longer life as on the near side he is a danger to regards its valvular. system, but olherwise there is no material dif-
ference, both engines improve for a certain period of use, as their
RIDE A MONET AND GOYON FIFTED WITH M.A.G. ENGINE OUTSTANDING ACHIEVEMENTS OF THIS FAMOUS ENGINE
THE MOST DIFFICULT AND DANGEROUS RICE IN FRANCE
The Hill Climb De La Turbie
175 c.o. 1st, 2nd, 3rd, 4th, 5th All on M. & G. 250 cc. 1st on M. & G.
350 c.c. 1st on M. & G. M.A.G. engine
500 c.c. 1st on M.A,G, engine
750 c.c. 1st on M.A,G. engine
SIDECARS.—
360 c.c. lat on M., & G, MA.G. engine
600 c.c: 1st on M.A.G. engine
ASK FOR EASY PAYMENT PLAN
THE FRENCH MOTOR CYCLE Co.
46. Nathan Road, KOWLOON,
Hints To Drivers.
The chief thing to remember when passing a tram going in the working parts wear smooth, but vehicle, is to make up your mind same direction, or any other large the valve-gear of a poppet-valve and get through as quickly as pos engine constantly deteriorater while that of the Knight engingible. The man who hesitates is does not do so perceptibly, but may
lost.
Acceleration is everything, and
of the contrary become more per the proper way is to approach the fect with use. (5) Yes.
Leaky Carburetor,
vehicle slowly, and then having Question:--The carburetor of clear change down if necessary made certain that everything is my car iceka gasoline from and, accelerate through quickly, underneath it. Does it need a The driver who cannot or does not new flout or what is the matter? accelerato promptly, and merely Answer:-It may be that the hangs on the outside or inside of only trouble in that a little dirt has the tram, fe in a dangerous posi- caught between the valve that the tion until he paraes, float operates and its seat, thus preventing the closing of the far more dangerous than a quick, Slow passing and hesitating is valve. Remove the float chamber clean, decisive movement, which cover, hold something under the leaves the car in a safe position to carburetor to catch escaping gas manoeuvre. Finally in tackling line and push down on the float, thus opening the valve and allow trams, if in doubt, stop! Many ing gasoline to flush rapidly people get impatient and try to through the float-valve, in the hope push through under conditions that dirt will thus be removed. If which would normally fill them this does not stop the trouble, with horror. drain the vacuum tank and see if,
It.
It should also be remembered
the float seems to have liquid in that tram lines follow to laws; In caso it does, it will have therefore, when passing, always to be replaced, as it is too watch the line. Sometimes they heavy to shut off the gasoline suddenly close in to the near side, supply. By removing the valve and at night this is particularly mechanism, you can see if it is dangerous. There are placos on so that it does not seat on the Uxbridge road which are
Idoath traps through this reason,
worn tightly.
SATURDAY, JUNE 16, 1929.
The Choice
of the-
G. W. R. L. N. E. R.
and
SOUTHERN RAILWAY
for their new
RAIL-ROAD SERVICES
THORNYCROFT
SIX-CYLINDERED
COACHES & OMNIBUSES
Preferred by experienced users!
Further particulars of our Lorries, Vans, etc., for 1 to 7 tons, and Coaches or Omnibuses for 20 to 45 passengers forwarded on request to :— JOHN I. THORNÝCROFT & CO., LIMITED.
UNION BUILDING.
HONGKONG
FIFTH
FLOOR.
Write us and our representative will call.
Telephone Central 4831.
DEAL DIRECT.
UNMATCHED IN APPEARANCE
AND PERFORMANCE
BROCKWAY
TRUCKS
THE BEST LIGHT TRUCK TRANSPORTATION
OBTAINABLE.
We shall be pleased to convince you of the excellence of these vehicles,
THE ASIATIC AMERICAN CO.
SHOWROOM OFFICE
11, Queen's Road. Tel. 0. 575. 48, Stanley Street. Tel. 0. 244.