THE HONGKONG TELEGRAPH. MOTORING SUPPLEMENT
STATIONARY SPEED. lag 2760 revolutions per minute"?
This is one of the surprises of the new engineering laboratory of the Graham-Paige Motora Corpora-
Stroborama's Wonders.tion. The illusion of motionless-
ness in the rapidly whirling fan is produced by the strobarama, a that enables MOTOR MAKERS USE IT.marvellous device
mechanical motion, and to learn how various units and parts be) have at different speeds.
Its effects
NOTICE
ΤΟ
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.
Synchronised Flashes.
+
DRASTIC MOTOR LAW CHANGES.
Higher Penalties for Dangerous Driving.
SATURDAY: OCTOBER 5, 1929.
TYRE DETECTIVE.
Machine Which Mimics Roads.
CLIMBING IN TOP. month last year was £131,470.
The total for the first five months of this year shows an" tri- croase of $340,763 on last year's figures. Imports stood at only 41743
Motor Cycle Exports.
BIG BRITISH GAINS.
Below are, shown the ex- port figures for the month of May The flourishing condition of the in 1927, 1928, and 1929;— British motor-cycle industry is Motor cycles, including parts and TYRE WEAR CAUSES.shown by the following export accessories: 1927, £873,874; 1928,
igures. The May returns of this £479,281: 1929, £609,751. A Interesting data about tyre wear year, at £609,751, are even greater Five months' total from January and its causes is provided by Mr. than those of April, and the into May inclusive: 1927, 41,421,498; corresponding 1928,£1,908,508; 1929, £2,249,071. L. J. Lambourn, M.Sc., A. Inst. P.,crease A...I (Sc.), of the Fort Dunlop
Research Laboratory.
What would you think if you
The first report of the Royally important, "particularly as we stepped up to a seemingly motion-
Is this: If a man Commission on Transport on the realize that, in their present condi less electric fan to Inspect a print were, in a dark room: with an in-control of traffic on roads, recently tion, it is not possible on many ed slip pasted to one of its blades, stantaneous flash of light illuminat published, is, as far as the motor-roads to drive with safety at high only to have your hat blown offing his watch every 50 seconds, theist, both private and commercial, is speeds. The law at present is de while you read: "This fan is wak- second hand of the watch would concerned, the most important fective in that the penalties are
ad- There is considerable difficulty in seem to be motionless, because he oficial document that has yet been not sufficiently severe, its would see it always in the same issued. Among the drastic recom-ministration has also been exceed- obtaining definite data about tyre
ingly defective, in position. If the light flashes every
some places, wear if the research is confined to 61 seconds, the second hand of the mendations are:
There should be no general or owing to the disinclination of tyre service on the road. In com- watch would seem to advance only
the type of driving, the tyob of one second in each minute. With special speed limits for motor cars Benches of Magistrates to inflict paring one tyre with another, speed, the electric fan running at 2750 gr motor cycles, provided all anything beyond small fines." r.p.m., the light ia adjusted to wheels are fitted with pneumatic The penalties for dangerous car, the kind of road surface, the flash 2750. times a minute. Con- tyres, and with regard to speed driving should be greatly increas-weather, the air temporature, sil
get accurate results. sequently, each blade is seen in limits for mechanically propelled ed. It la recommended that fines vary so much that it is not easy to In order to wipe out all these exactly the same position at each vehicles other than motor cars and should be raised to a maximum of flash, so that the fan seems to motor cycles certain alteration [£60 in the case of a first offence variables, a special machine has should be made in the present law. and £100 in the case of a second been developed and patented in atand still.
Motor omnibuses and coaches, if or subsequent offence with im-which conditions representative of By speeding up or slowing down all wheels are fitted with pneu-prisonment as an alternative in rough roads, wet roads, roads the stroborama flashes, the ap-matic tyres, should be permitted a either case; upon a second or sub-covered with dust, quick accelera parent speed of the fan can be maximum speed limit of 35 miles sequent conviction the licence ture, can all be reproduced and con- regulated so that its action can be an hour. Goods 'vehicles, if not should be automatically suspended trolled. studied as in alow-motion movies. exceeding 2 tons unladen weight for a period of not less than six This is of the greatest value in and if all wheels are fitted with months.
In addition, it is suggested that analysing the motion of machinery pneumatic tyres, should be allow at high speeds. For instance, ited a maximum speed limit of 30 if any person fails to draw up at solves the problem of determining miles per hour. These speed a white line in towns where there whether valve springs are perform-limits should be rigorously en-is traffic. control, or passes an Island or central Inmp-post on the ing regularly and evenly, and forced." whether the valve tappets are re- The penalties for dangerous wrong side, or fails to go "dead slow" on approaching a major maining in contact with the cam driving should be considerably in- surfaces at high motor speeds. creused. There should also be road from a minor road, or fails penalties for minor offences of ato slow down or drive cautiously definite character, such as failing through a danger zone, or fails to
As showing the accuracy with do the same when passing during which the machine and road results to observé a road sign,
school hours a warning notice in- can be compared, samples of the dicating a school, he should be actual treads of tyres were made guilty of an offence. Any person into test wheels while the real tyres guilty of the offence should be were run under average conditions. flable to a fine not exceeding $20, and the rate of wear of the tyre on and in the case of a subsequent the road, and on, the machine was conviction, to a fine not exceeding compared.
CHRYSLER
-above all others.
SOLE AGENTS
The Republic Motor Co. of China.
(Successors A. LUNG & Co. Auto Dept.) 30 32, Des Voeux Road
YOURCAR SHOULD CARRY AN AUTO-TOTAL
THE BEST MOTOR CAR FIRE EXTIN-
GUISHER IN THE WORLD
Prices from
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KELLER, KERN & Co., Ltd.
15, Connaught Road, 0. Telephone 0, 3120,
JOIN
THE HONGKONO AUTOMOBILE
ASSOCIATION
A Few Advantages:
10% Off Motor Car Insurance
Free Legal Advice." Reliable Drivers Supplied
Frea Mechanical Advice
Associate Membership of the
R. A. C and A. A. London. '
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Cio "Hongkong Telegraph'
"“EXCELSIOR"
THAT CANNOT BE EXCELLED
IN
Reliability and Economy
The purchaser of Excelsior knows when ha buys this machine that it is a motor cycle whose performance is a foregone conclusion the reliability of which has been proved in every kind of trial or test and under every condition of road or track, and its price is so low that it cannot be beaten.
Apply for particulars.
THE SINCERE CO., LTD.
SOLE AGENTS..
1
New Definition of "Drank," There should be a new definition of the offence of being drunk white in charge of a car.
Every applicant for a driving licence should be required to make
The relation between abrasion,.or wear of tyres, and slip, which, of course is always taking place when tyres are running can be quite ac- curately determined.
Approximately, the rate of wear increases not in direct ratio to the slip, but rather as the square of it up to values of about 25 per cent. Above that value, the relation le ap- proximately linear.
£50, or to a term of imprisonment. The value of hundred, being a declaration as to his physical fitnot exceeding three months. "In taken to represent the standard ness to drive..
all the above-mentioned cases the tread compound, the following re- The qualifying age for a motor charge of dangerous driving may sults were obtained:- cycle licence should be raised from be brought against the offender if 14 to 16 years, and in the case of the circumstances, warrant.” a gooils vehicle which exceeds 2 tonk unladened weight or public service vehicle, the driver
yours,
of a
Pillion Riding.
It is also recommended that the must have attained the age of 21Minister of Transport should be Persons driving animals on a given power to make regulations read after dark should be compell-regarding pillion riding on motor "ed to carry a light.
All cars with headlamps to
vice, which it would be an offencel not to use.
an attempt must be made to deal with it. The holding of "an in surance policy should be a condi- tion precedent to a vehicle being licensed,
cycles.
An important recommendation is
Relative Wear.
On the road
On machine
100
100
130
"189
142
150
225
200,
"
93
95
117
117
92
92.
Other tests, on the road, showed
carry a dipping or swivelling de-that which concerns the actual that one tyre on a car ran 8,100- roads. It is suggested that all miles during December, to March roads throughout the country while another, used during April, The case for compulsory third should be graded in accordance May and June, ran only 6,000 miles. with their degree of importance Another test, in which two exactly party insurance is so strong that
and at rond junctions, etc., traffic similar tyres were run at the same on the roads of leaser importance period on the rear wheels of two should give way to traffic on the cars of the type, showed that the more important road." On the rate of wear on the one run on minor roads, conspicuous notice rough roads was twice that of the Road authorities should provide boards should be erected at such other, run on tarmac,
junctions, bearing the words "dead Two tyres wera again run on the foot paths on all new and recon-slow". The adoption of this re-rear wheels of a touring car and a structed roads and on all old roads commendation should not relieve sports car respectively. The tyre where done new exist, and where drivers on the more important on the touring car ran for 5,000 the width of the rout renders road of responsibility for caution possible.
Controlling Traffic.
miles under average conditions, but the other tyre was worn to thisj it road junctions.
Road signs should be uniform in same extent after running only Rou design and intention and not more miles at an average of 90 m.p.h. The Commission are of opinion than are actually required should on a racing track.
Considering fast tourine speeds, that legislation on the subject of be erected. The duty of erecting the rate of troud wear. on tyres the general control of traffic on them should fall on the Highway which average 60 m.ph. was found roads is long overdue, and should Authorities, subject to the super- to be about 0.17 mm
per 1,000 be enacted without delay. "The vision of the Ministry of Trans-miles and this is about twice the present statute law on the subject, port.
rate of wear of tyres run at an passed many years ago when motor They also consider that the use average speed of 30 m.ph. Above traffic was in its infancy, is ob- of automatic light signals should 65 m.ph. the increase in wear is solete, and many of its provisions be encouraged to relieve the very rapid.
are generally disregarded." They police. also point out that the sooner an obsolete law which is clearly noj longer applicable to present cir-
:
"Code of Customs."
Excessive toe-in haa a very bad effect and it has been found that a, toe-in of an of a inch should not
In conclusion, they recommend be exceeded, otherwise the tyre will cumstances, and which public that the Ministry of Transport not last its full life. A tyre run opinion refuses to support, is re-should issue a "code of customs" with a toe-in of 1⁄2 inch was near- pealed or amended the better."
ly worn out after 3,700 mlles. An- for the education and guidance of other with a toe-in of 1/16 Inch Referring to accident, they pay a
users of the highway. The Com- tribute to the "great care and
skill exercised by the drivers of
omnibuses in London."
nearly worn out..
mission attach great importance to has run 9,000 miles and is not yet this last proposal, which was first Tests made for wheel slip with af In their opinion the Minister of brought to their notice by Sir motor cycle combination showed Arthur Stanley, who appeared on that on a gross country run at nor- transport should be empowered to behalf of the Conference of Motormal speeds there was a total slip of order an inquiry into the cause of Organizations and was subse-only 1 per cent, but on a rough any accident in which a motorquently elaborated by other wit-road a short ran at 62 m.p.h. gave vehicle e involved, and such an in-nesses including representatives a slip of 4% per cent., but on a quiry should be obligatory in the of the Automobile Association, the rough rosd a short run at 62 mph. case of any accident to a public Royal Automobile Association, and gave a slip of 4% par cent. By service vehicle in which the death the National Safety First Associa- fiercely engaging the clutch for of a passenger is involved,
rapid aceleration a slip of 16 per In a similar They think that in the course of cent. was obtained. time these custems, though in getaway, measuring the slip on With regard to the abolition of some cases not possessing the the first 23 yards only, it amounted all speed limits for motor-cars and force of law, will become univert the very high figure of 48 per: cycles, they believe that this would sally respected and obeyed, and render the law against driving to would do more to ensure safety the danger of the public exceeding than any legislation.
· More Severe Penalties,
H
tion...
BACK TO THEIR NATIVE LAND.
The Anglo-Boer farmern Prepare to return to Bouth Africa. General Motors Truck loaded at Zwartkocia Drifi, ready for the Journey south,
cent. If he slip be doubled, four, mes the amount of tread rubber
will be worn away.
It is of interest to note how the wear of tyres varies according to the season of the year, partly due' to the temperature and partly due to the wetness or dryness. For in stance, the rate of wear of a large quantity of tyres in July of three successive years was 9/10 m/m per thousand miles, while in January of the corresponding years, it waa only 6/10 m/m por thousand miles.
HIGH TAX."
A special session of Florida's legislature passed a six-cent gaso- line tax on motorists. South Caro- lina fs the only other state carry- in such a heavy tax,
BUSINESS INCREASING.
The value of United States: auto- motive shipments to Uruguay last year was nearly $6,000,000. This is about seven times the figure of 1922,
over
the
MONET-GOYON THE GREATEST MOIOR CYCLE "VALUE. THE MACHINES WITH
AN INTERNAtional repuTATION
för
RELIABILITY, SPEED, COMFORT
" 'fitted with
VILLIERS 2-STROKE SUPERSPORT ENGINES
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THE FRENCH MOTOR CYCLE Co.
48, Nathan Road, KOWLOON.
THE DAILOOK MOTOR CO.
35-37-50, Tai Ping Road, OANTON,
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Batteries designed for your car-
AMP HOUR
58 AT 5 AMPS
Carried for your convenience.
Piest O Lite
CASE
RUBBER
The
Prestolte
Battery
For your car DIMENSIONS. IN INCHES
W. I
4X3 X 6
PRICE
EACH
REPLACEMENT
GROUP
$15.00) CYC
4
RUBBERIB 0.1/18X 7.5/16X9 27.00
TYPE
9
63 MR. A G11 RE A 613 J A 611 SE
100 A 616 J
613 BF
615 SF
130
A 617 5 F
Flat
A 172 8
02
1211 SHK
611 B
Special
25
+613
615 13
A GISJKX-2
8.15/16X7.3/8X9 31.00
9.1/10X2.5/16X9 39.00 104X7X91 108X7.5/16X01
40.00
45,00
11.11/16X7.5/16X93 13.00 19.13/16X4.0/16X9Ĩ 65.00 GAD J3X7.5/16X9
125 RHB Wood Speel bor 509X519
Group
No
12X7.5/16XO! 17X7.5/16X33...
8.15/16X72X01
15 101X73X1
50,00
60,00 6
54.00-7 85.00
20.001
22.00 4
25.00
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2 Btudelsker Big & Spec. Sixes, Chrysler, &c. 3 Case, Cole. Cunningham, Oldsmobile, &c.
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Buick M, Chandler, Hadson, Oakland, &o. Hupmobile, Packard 8. Willys Knight, &e. Dodge, Gardner 8, Graham Bros. Track, &c. Fiat Battery.
12 Locomobile. Mnok Truck, folls & Witte. Jad Special Cadillo Battery.
Cyc Motor Oycle Battery-Harley, Indian, &e.
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25, Queen's Road Central.
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