1926-02-12 — Page 10

THE HONGKONG TELEGRAPH, MOTORING SUPPLEMENT.

FINT MOTORIST

FOR THE

FIRE ENGINE COMES TO GRIEF:

ALBERT L. CLOUGH,

FUEL FILTERS.

A considerable proportion of

engine troubles are caused by valves and fuel-starved engines. faulty action of the fuel to the With a modern gasoline cleaner, carburetor and of these the major properly looked after, there should part are due to dirt which has be very slight chance of annoyance entered the system and partly or from impurities in gasoline. wholly prevents the flow of gaso- 'line to the engine.

Irregularities in firing, failure of engine power on hard pulls and

Red Hot Exhaust Pipe. (Mr. Clough gives some of the questions he receives from time to time, together, with the an

stalling of engines on long steepswers. These appear weekly and grades are all caused by inade- quate or irregular gasoline feed, prvoide an instructive reference).' Question: The engine of my Caused by 'solid foreign matter

but when atopping up the fine passages car starts easily. through which fuel has to pass to running, the exhaust pipe Kots

red hot and it backfires

a lot. reach the cylinders.

better than All motor ear fuel feed systems Sometimes it runs have, for long, been provided with others, but often, when I step on one or more strainers, intended to the gas, it "plugs" right up and catch solid foreign matter before stalls, Can the needle valve ad- it reaches the carburetor, but Justment in the carburetor cause

this? these have all too often proved inadequate,

needle

A fire engine, speeding to a fire, skiddod over an embankment and fell into an abandoned clay pit at Medford, Mass. U. S. A. Five firemen were injured.

Answer: Possibly the valve is open so far that the mix- Not only do these comparative.

ture is very much over-rich und ly coarse gauze screens fail to

contributes to the over-henting of completely serve their purpose, the exhaust pipe, but we believe but hey are not so arranged as you will find that the ignition is to be convenient to clean of the set considerably too late. This de- dirt which they collect and the lays the explosjons so greatly that Tesult is that they are usually the gases entering the exhaust are neglected until there is a nearly greatly hotter than normal and also complete failure of gasoline flow sometimes eauses backfires into the

Answer Ordinary water is boll- The disconnection of pipe fittings, carburetor, because flame still re-ed and the steam produced is coe- often inaccessibly located, in order mains in the cylinders, when the densed in a coil of pipe immersed to reach these strainers, makes the fresh charge is drawn in. You bet in cold water, the water coming work of cleaning them too labouri-ter have the ignition timing checked from the coil being distilled water. ous to be faithfully performed.

TAKE CARE OF HOOD.

The hood of an automobile is

up and reset if it is too late. One Why don't you get a large enough usually the first part of the ear

4

On many of the later cars are other thing which may cause Ansupply of distilled water at one time! being fitted combination fuel filters over-heated exhaust pipe is the clog-to last you for a year or more. It to take on a dull and spotted ap- and water-traps accessibly located ging of the muffler with carbon, but keeps perfectly well in a tight re- and readily cleanaule. The filter- this rarely happens unless an engine ceptacle of glass or glazed earthen pearance. The discolouration of fing areas provided in these are pumps a lot of oil. We suppose ware. However, rain water, caught the hood spoils the looks of the dish of glass, entire car. This rapid deprecia- large enough so that fine meshed the valve timing has not become in the open in a

and porcelain or enamel ware

tion is caused by rain getting on material is used and the course of disarranged.

strained free of dirt, is a perfectly good substitute for distilled water, the hood and the heat of the en- Question: How is the distilled Set a large mixing-bowl out during gine drying it up. The car will.

longer if Such filters can be fitted to exist-water that is used in batteries pro- heavy rain, filter the water cul keep its appearance ing cars and their adoption should daced and how can I obtain some lected into fruit-jars, through elen::

the fuel through them is such that practically all foreign matter is

caught.

!

1

Battery Water,

go far toward forestalling obstruct. without going to the service station cloth and you will have battery the driver will wipe off the hood ed carburetor jets, leaking font-cach time I need to fill my baiter?? water enough for a long time, after the ear has been in a rain.

FRIDAY, FEBRUARY 12, 1926.

PRACTICAL TESTS.

BRING OUT GOOD AND BAD POINTS:

"A road where you may speed to your heart's content, without fear of cops or accidents.

A road that is kept in perfect condition.

the care of to-day which, thereto fore, have been only surmised by engineers,

ELIMINATING CROSSROADS.

Two years ago this plot of land was, bought by General Motors A novel suggestion for doing and the 12-mile special highway away with cross-roads was made In it, the engineers by Mr. R. A. B. Smith in The laid out. included every conceivable road Times. He says: "When a now condition a motorist might on-road is contemplated, the local counter. Hills were set out on surveyor should be able to insist which the road might take the that its entrance to the main road motorist from a grade of 7.6 to shall not be within fifty yards of A road of one-way traffic, to as high as 24 per cent.

an, opposite road, and that the help you in your speeding, and For accurate testing, the grades radius of the right-hand corner with banked turns to permit of a of these hills have been ascer (the observer facing the main speed up to 65 miles an hour attained to the tenth of a per cent. road, but standing in the position these spots.

The rest of the road is of ordinary of the new road) shall be laid A road where no trucks hold construction, so that the tests down for different widths of road, you up, where no road hogs may be made under røgular con au present dangerous cross-roads

ditions. molost you.

should be diverted; that is, one It's 12 miles of gravel highway, The mile and a half stretch is side' should be diverted so that its 145 miles west of Detroit. Almost made perfectly level, smooth and entrance is at least fifty yards a mile and a half of it is of con- straight, for on this stretch exact away, preferably towards the on- crete, perfectly smooth, level and tests are made for the ncertain- coming traffic on the driver's right straight.

ment of facts.

hand, thus increasing his view.!" But there's

Traffic is tremendous on this joker. This F haven for motorista is a private highway. In one month nearly

TYRE OUTPUT. froad. It winds in and out among 300,000 miles wore totalled by the woods and hills of 1125 acres of machines that ran over it. They

Tyre output. for 1925 is expect- land that make up the proving used some 20,000 gallons of gase- grounds for General Motors and line that month, and "that's tho ed to reach the half billion mark. Production, which was about 100,- its various automotive divisions. average monthly total, too.

.On these proving

Cars of all kinds, in various o00 a day in 1925, may reach an grounds, automobiles are tested for one classes, are driven over the prov-average of 125,000 tyres daily

this year. purpose--to obtain facts about ing grounds.

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MORRIS

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£250.0.0.

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33-35 Des Voeux' Road, Central, HONGKONG.

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