The Choice
of the-
THE HONGKONG TELEGRAPH. MOTORING SUPPLEMENT.
G. W. R.
L. N. E. R.
and
SOUTHERN
for their new.
RAILWAY
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 THORNYCROFT & CO., LIMITED.
UNION BUILDING
HONGKONG
FLOOR.
• 事
-
FIFTH
Write us and our representative will call.
DEAL DIRECT.
Telephone Central 4831.
HINTS
FOR THE
SATURDAY, OCTOBER 12, 1929,
MOTORIST
ALBERT L. CLOUGH
CHARGING AUTÓ BATTERIES FROM RADIO RECTIFIERS.
.fi
ENVY.
Or all the jobs that need no pay And come to those who're in luck's
way,
There's one I long for ev'ry day As driver of the Blue Bird.
',
What else in life compares with
this?
What utter joy? What perfect
bliss?
What pleasure. e'er can equal bis? The chauffeur of the Blue Bird,
I
Alternating current rectifiers applying any of the ordinary Where'er it lists. No aftermath His cur in freedom takes its path have been and are so largely used forms of rectifier, it is only noces-of "Please explain" or policemen's
in
a:",""
the charging of radio Ajsary to screw ita attachment plug wrath batteries, that almost everyone, into a lamp socket and to connect Can fall upon the Blue Bird who has a radio set, has such a the charging wire marked positive charger, but motorists who have to the battery terminal marked Each corner's clear when he chargers specially intended for positivo, and to connect the other arrives,
thrives
auto batteries are in the minority. wire to the battery negative. The The voltage of the A battery being use of spring clips on the ends of And he owns every road he drives: the same as that of the auto start the wires makes the attachment No wonder that he grins and
The helmsman of the Blue Bird.
With power to apare and pace-to There's not burn,
a challenge he will
spurn,
And speedsters all may take a turn At racing with the Blue Bird.
His booming horn cites through the
night
Its "Tally Ho" when proy's in sight;" A flying chase gives him delight The speed king of the Blue Bird.
Ho tours the countryside at case, And spends his Sundays 'midst tho
trees,
But has no eyes for birds and
baes
The policeman of the Blue Bird.
Instead of orchards thick with bud, He watches number plates for mud Nor notes the cow that chews its When cruising in the Blue Bird.
From envy's pains there's one ro
lease
cud
I have an urge to join the police I'd be enthralled to merely grosse And wash and terid the Blue Bird.
ing and lighting storage battery. a matter of a few seconds only. and rectifler that will chards one will charge the other. A majority
Adjusting Generator Output. of the A battery chargers are of the trickle" tvne, giving a small car and I should like to know how
Question: I have a new current ranging from a few tentha far ahead I can set the brushes of of an ampere to nearly a full the generator, without burning the ampere, but even rectifors of this low output are very useful in commutator. Why is it that when keeping the batteries of laid up or engine idling, the ammeter shows must be speeded above the idle a generator is adjusted, with the seldom used cars up to full charge, "discharge?" so as to be safe from sulphating and freezing. Even the battery of fat the third brush on this genera-in, the ammeter registers a dis- that the mesh adjustment of the range in order to make the genera pitch with variations in speed. If Answer: We don't know howtor cut into circuit. Before it cuts this is the case, it seems likely
be advanced without charge due to the passage of final drive gears is not and never.-
a car which is in active service. but which falls somewhat short of
tor Сад
,,
geara, which "ordinarily changes
maintaining full charge during the causing burning of the commuts-ignition or lighting current. You has been quite correct. Of course, acnaon of heavy lighting and start./tor, but the brush position should speak of your car as a new one and geär hum may arise in the trans- ing current demands can, in many not be changed enough to cause it seems strange that the genera-mission, the engine timing gears instances, be kept up to par, if a, sparking or to make the charging stor's charging rate was not cor or even in the generator and other trickle charger is connected to it current, with the engine at road frectly set at the factory. Be care- auxiliary drives, but we should nights or at other times when it speed, much greater than
the ful that you do nothing which may suggest that you have the rear-end Radio battery chargers specified amperage recommended cause the generator to be over-gears tested out for noise by a is idle. having outputs above the "trickie" in the instruction book, or serious loaded to its possible damage. range are, of course, proportional-damage may result. Adjustments ly more useful in auto battery of the third brush should never be charging,
The introduction of made unless the engine is running full socket-power" radio sets has fast enough so that the generator thrown out of use a very large cuts into the battery circuit. The able cause of a vibrating hum, number of radio rectifiers for reason that the ammeter does not made by my car, which has volt battery charging, which can show charge with the engine idling been noticeable almost constantly be picked up at low prices, so that is that the reverse current cut-out since I bought it? It is heard at no one who owns a car need be has not operated to connect the all speeds above 25 m.p.h.
Answer: We wonder if, this without a means for recharging generator to the battery and no his battery in his own garage. In current can pass. The engine hum is like that usually made by
A Humming Noise. Question: What is the prob
SMARTNESS
mechanic who is familiar with this work. If the hum is not of that peculiar quality characteristic of gears, which are not properly meehed or are imperfectly labri- cated, it is possible that there is some loose part, some piece of sheet metal perhaps, that vibrates sympathetically with the enving and makes the noise and vibration to which you refer.
YOU CAN BE PROUD OF!
FOR POWER & ECONOMY
NOTHING LIKE
Roosevelt
MABMON-BUILT
Those who own the New Chevrolet Trask remark on the attention it receives whether it is standing at the curb- winding through traffic or carrying a capacity load with ease up a steep grade. Its new radiator and hood- Its smart, full crowned fenders, its low set chassis, and Its thoughtfully designed bodies help to assure an appearance of real advertising value,
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S. L. KWOK & COMPANY,
Sole Distributors.
Bank of Canton Building,
The Outstanding
Truck of
Chevrolet History
THE HONG KONG HOTEL GARAGE
Tel. C. 3657.
25 Queen's Road Central
Tel. Central 4759