THURSDAY, APRIL 14, 1932.
THE CHINA MAIL.
Careless drivers
is
AN THE MOTORISTS' PAGE AN
GEAR CHANGING
USEFUL HINTS.
continually
of
being!
Slow Engine Work.
LUBRICATION OF THE CYLINDERS.
The Advantages Of Special Off.
SUCCESSFUL TEST IN DENSE TRAFFIC.
Easier Access To Rear Seats.
·
As is
volution speed without retarding the ignition. Slow pulling does no particular harm if the spark be Many cars timed accordingly. have automatic ignition timing control, but where a hand-operated
Of all the working parts of a It is ten years since Sir Herbert sometime make, high speed, it is clear that while 65 system is used some drivers de not maintained with trouble to use it, so that when the en- their engines work under abnormal- m.p.h. may be ly difficult conditions. This is often safety hour after hour, 60 m.p.h.gine is pulling hard uphill at low motorcar engine the pistons un-Austin first introduced the "Baby"
If the revolutions each piston, when rising doubtedly present the greatest diffi- car to the motoring public. rather loosely termed "overloading" may be well spell disaster
tion. When an engine is thorough cars, grow larger as years pass. So but only in rare cases is it possible engine is not in tip-top condition. on the compression stroke, suddenly culty in regard to adequate lubricn- the case with most children, these to load the working parts to a point These speeds are, of course, simply encounters the full force of the exly warm conditions are reasonably it is that purchasers of the new
chosen as an example. The safest plosion before it reaches top.
Consequently, considerable shock good, because the oil is thin and season's Austin "Seven" to-day have
choice of far beyond the normal limits.
a longer wheelbase The other ways in which an en- general rule is not to cruise for
carrying a much more roomy body gine can be misused may result
in long periods at a speed higher than occurs, usually made apparent by is thrown around inside the crank a
A great deal of it naturally with comfortable seats. bearing failure, al-90 per cent. of the maximum speed rough running or audible knocking. Ase in considerable quantities. wear or even
At a low speed the all pressure is
The first impression one gets been of which the car is capable.
new Austin though the parts have not overloaded in the strict sense The pistons, connecting roda, and usually also low so that there is comes into contact with the cylin-
parts thereof. The upper part of "Seven" saloon is that the larger the term. As an analogs, it can bearings are subject to two kinds considerable risk of causing damage der walls, particularly the lower when testing this
one being due to the to the bearings.
each bore depends for lubrication coachwork body seems to have had be pointed out that the road springs of load,
Valuable Overhauls. of a car can be overstressed and pressure of the expanding gases, damaged by taking a rough road at while the other occurs only at high There are many ways in which en- upon oil which is carried up by the no ill-effects in slowing down the An impor-moving piston, and it is difficult to road performance, writes Thornton an unreasonably high speed, al-speeds, and is caused by the inertia gines are ill-treated.
tant point is that it is well worth strike a happy medium in the pis- Rutter in the Morning Post.
One reaches & speed of 50 miles though they may be carrying quite of the reciprocating parts. a normal load.
Thus the piston objects to being while having the ignition system ton ring design so that, while
pass upwards in any shorter wheelbase model That was The danger points of a modern brought to a standst!!! and restarted overhauled at regular intervals. lubrication is adequate, oil does not an hour as quickly as one did in the into the combustion the maximum, at any rate, which I high-speed engine are undoubtedly at the ends of each stroke, so that The plugs should be removed clean-actually
found that 40 miles and adjusted, the contact quantity the big end bearings which con-it exerts an upward pull when at ed.
an hour was a comfortable touring nect the rods tu
roads with not too; the crankpins. the top and a downward pressure breakery should be examined, and chamber, where it would be wast- obtained.
Another important point is that speed, even on These have to transmit the whole when at the bottom, always trying the high tension wiring and other ed and cause smoking.
unchecked, oiled parts gone over. power of the engine. in addition to to continue its motion
By adopting this procedure own-when an engine is cold the oil is good a surface.
The wheelbase has been increased rotating at a high speed. They are but held in leash by the connecting |
ers can be fairly sure of not being so sluggish that quite an appre- safeguarded by a very thin film of rod.
Also the rear wheel let down on the road, while the en- clable time may clapse before any in length by six inches, and so it is
reaches the cylinder now 6ft. 9in. lubricant oil, which
During this time the track has been widened from 3ft. At very high speeds this Inertia gine will also escape the trouble 'of
walls. sheared as the crank revolves, andļ
more im-intermittent missing, which is often which
pistons are rubbing up and down 4in. to 3ft. 7in., and thus the coach- must transmit terrific effect may become even
dry condition. builder has been able to give plenty pressures without being squeezed portant than the load caused by ex-prevalent in engines."
plosion. In ordinary touring cars In many cases the "miss" wil in practically a
Tests have shown that in these cir- of elbow-roon, to the users of the! from between the surfaces
Danger To Big End.
such revolution speeds can only be only occur at full throttle, and
intermediate certain speeds, so that it passes al- cumstances considerable wear can rear seats. Consequently, passen Naturally a great deal of heat is reached either on an generated, and if an engine be kept gear or by driving downhill in top most unnoticed. Missing naturally occur in a short time, particularly gers ride with increased comfort on
above the reduces the power output, wastes if an inconsiderate driver expects the pneumatic cushions. hard at it for any length of time the gear at a speed well
petrol, and upsets the smooth an engine to pull the car on the
No one can now complain that it road with scarcely any preparatory temperature of the big end is apt maximum attainable on the level.
is difcult to get in or out of this to rise to within a small margin of Prolonged work at high revela- torque of the engine,
The doors of the In conclusion there are three rules warming up.
Special Lubricants,
improved can the danger point. If there is the tions is extremely bad for an en-
These are the main reasons which saloon no longer overlap the wheel slightest shortage of oil, the heat gine, because, apart from inertia for giving the engine good treat-
that many arches, so it is easy to gain access will be sufficient to melt the white loads on the bearings, the valve ment:-(1) Look after it carefully: metal of which the bearing is com gear and the auxiliaries are apt to (2) avoid prolonged full-throttle, account for, the fact
high-speed running; (3) change owner-drivers have obtained excel to the rear seats, while the front posed.
Applying these facts to the case Another way of overloading the down to a lower gear or retard the leat results by employing special seats can be tilted forward to give
the fuel in the tank. Such lubri exit. of a car which is being driven for working parts is to keep the engine ignition when the top-gear speed is upper cylinder lubricants added to still more room for entrance or
Wings, or mudguards as cants pass through the carburetter long distances on main roads at a alegging hard uphill
and into the engine, so being carri folk term them, make or mar the The ed directly to the upper parts of appearance of a small car. the cylinder bores.
long-wheelbase Austin "Seven" has There is also considerable new pattern wings which feartainly evidence that they lubricate valve improve its looks, and are effective stems to some extent. Their chief in keeping the mud from splashing function, therefore is to lubricate the panels.
As this car was driven soon after parts that are ordinarily apt to suffer from neglect, so preventing rain, an ample opportunity was wear, particularly when starting given to test its roadworthiness. It held the road well, and the from cold.
The Motor has used upper cylin- brakes applied gradually brought der lubrications in its staff cars, the car to a halt without any ten-: and has found 'them to
At the same time be dency to swerve. efficacious, especially during the drivers must remember that this is first period in the life of a car, a light car, and it is necessary to when the pistons, values, etc., araj drive it carefully, as at 80 miles of a fairly close fit. They undoubt an hour one needs 22 yards In edly reduce cylinder wear, and also which to stop it, and nearly 70 help to keep the pistons rings work-yards between 40 and 50 miles an Ing freely in their grooves, says, hour, unless there is a rising
gradient. The Motor
སཙྩ '
suffer.
at a low re- low.
WHAT REFINEMENTS DO YOU LOOK FOR IN AN AUTOMOBILE?
THE WIZARD
CONTROL.
Buick
and
Do you want positive vacuum controlled windshield action at all engine speeds instant protection from aun glare at any angle via an adjustable interior visor."
Do you want the full front seat swiftly and easily adjustable to slide forward or backward to the desired driving position even while the car is in motion ?
-
Do you want an attractive built-in com. & handy partment in the instrument panel space fitted with a lock where you can place personal articles or packages?
Do you want a rugged chassis, Torque Tube Drive, a high efficiency Valve-in-Head motor, mechanical four wheel brakes, hydrau lic shock absorbers, perfected steering, -leaders in style fnsulated luxurious bodies and design?
Do you want Wizard Control, combining Advanced Free Wheeling, the Automatic Clutch, Silent Second Speed, Syncro-Mesh Transmission, Ride Regulator and the very latest tested and approved engineering fea tures ?
You will find them all and more in the 1982 Buick.
THE DRAGON MOTOR CAR CO., LTD.
Telephone 80228.
WONG NEI CHUNG ROAD HAPPY VALLEY
at
Easter Access.
some
I believe that half the accidents)
Naturally, the efficient lubrica.. tion and fit of pistons, bores, and to driver"in wet weather are due rings prevents the crankcase oil to forgetfulness of the fact that
their brake from passing into the combustion they must put on chambers and thereby automatical-sooner and make a longer allow
WE
CR
THE LUXURY CAR in the low-price class-beautiful, Interior appoirit- - ments and upholstery – roomy, fall-size Safety-Steel Bodies — ex- clusive Floating Power and 4. Wheel Weatherproofe słydraulic Brakes and many, other features not offered in cars of its prica
C PLYMOUTOR
CARS NOW ON DISPLAY AT THE NATIONAL MOTOR CAR CO.
71, 73 & 75 Hennessy Road, Wanchai,
Telephone 27914.
JUST ARRIVED LATEST STYLES
OF
DODGE
WE ARE PROUD of the new Dodge Six and Eight. Frood that they offer engineering progres that goes beyond everything that hás previously been known. Proud of their beauty, Proud of their size and comfort. Proud of their advanced body and chassis design.
AT
NOW ON SHOW
ly reduces the rate at which car ance in the distance for slowing SOUTH CHINA MOTOR CAR CO.
bon is formed.
up.
More Knee Room. The suspension of this de luxe
not an imitation cloth substitute, small car is good, and the equip
Leather, and] is used to cover the pneumatic up-ment is complete. holstery. The 'seats are extremely
(Continued at foot of preceding column.} comfortable, with more knee and elbow room for the occupants.
A sunshine or sliding roof. is provided for use when sunny days Farrive, and it is proof against rain storms, as I found by practical experience when driving through a heavy shower.
The new Lucas-Graves head- lights, with double filament bulbs, are fitted on this saloon and give an excellent driving light and a good dipping beam. At its price of £128, with a yearly £8 road-tax and a petrol consumption of nearly 50 miles to the gallon-45 miles per gallon, however fast. you may drive It-this Austin "Seven" de luxe saloon costs actually less than the last year's de luxe model did on the shorter wheelbase.
Small cars seem quicker in traffle than or the open road, and this Austin is extremely handy in get ting away in second-speed gear, as the engine has good acceleration
As a matter of fact, it put up an excellent average spoed of 81 alles an hour in a run of 108 miles through dense traffic, from London
see the
33, Des Voeux Road Central. Tel 25664.
Tel. 25664.
Plymouth Two - Door Sedan Becomes Ambulance.
for first-ald
Blending
Port Arthu
Because of 16′′
and low centre.
malles
the
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