Pare. 81
LOOK INSIDE the famous Firestone
RAYON TRANSPORT
TRUCK TYRE
HIGH OVAL DESIGN
TOUGH, LONG-WEARING, ABRASION-RESISTANT TREAD ✪ TWO EXTRA TREAD' PUES (4) DURAFLEX CONSTRUCTION
HIGH TENSILE GUM-DIPPED RAYON CORD BODY
TWIN BEADS
Firestone "KNOW HOW” HAS PRODUCED A TYRE THAT WILL DELIVER THE LOWEST COST PER MILE
Made in ENGLAND, U.S.A. and CANADA WILLIAM HUNT & CO.Fed. Inc., U.S.A. 123, Hongkong Barsk Building. Tels: 31104-27122-32560..
FIRST NAME IN OIL
CLEANS YOUR ENGINE
IS YOU DRIVE).
Mobiloil
SAE
last word in
engine protection!
Mobiloil
WORLDS FINEST MOTOR GİL-- BETTER THAN EVER
STANDARD-VACUUM OIL COMPANY, HỊ K. BANK BUILDING.
GRANT
beer the
"General"
Jusune
idea
Now
THE CHINA MAIL, SATURDAÝ, JULY 22, 1060.
MOTORING NEWS AND VIEWS
THE 1950 GRAND CANYON RUN
By MAX EPPS,
Chief Automotive Engineer, General Petroleum Corporation
and
W. S. MOUNT,
Manager, Producte Engineering Bocony Vacuum On Company
(The following article, which we re-print through the courtesy of the Standard Vacuum Oil Com pany, will prove to be of special interest to those car owners who have entered the Hong Kong Automobile Association's Rally, lo be held on August 6.)
Potral mileage in pas- songer care is beginning to mean something. The public shows an awaken- ad interest in economy, and engineers might pro- fitably throw some extra- attention this way` in
1950.
SOPHIES AUTOMOBILE RALLY
пош
These are the trophies which will be at stake at the Hong Kong Automobile Associa
They are
tho tion's Rally and Hill Climb Competition on August 5.
on display at Dadwell Motors Show Room. Some 00. entries have so far been received by the HKAA for the Rally, it la disclosed that entefes will be accepted by the, HKAA up to next Wednesday,
"China Mali" photo.
The
burettors and distributors were predetermined point оп cach completely disassembled and side. A gauge was prepared for reassembled according to specifl- each petrol-fill-pipe type. cation. The settings were then tanks were filed to the predeter- carefully checked. Here a men- mined level. The petrol was surement was made of the gear measured by setting the cost in- ratios, and of the cut-in and cut dicator of specially calibrated, re- out speeds of all gear ratios in gular-service-station pumps to automatic transmissions.
price of 40cts, per gallon. This multiplying mechanism increased the accuracy of the volume read- Ings.
A good job is being done in automotive-engine economy improvement. In some cases the results show up in higher miles per gallon, or in offset- with stock cars, completely with- ting power losses in automatic in factory-recommended toler- transmissions, soft tyres, and ances, the like. Some cars haver Attention-getling and eye shown -substantial miles/gai- catching features are deliberate lon improvement in spite of ly provided to command notice
run and to the public demand for auto- for the
get publie consideration for the results. The matic and comfort features. best economy run ever made More will follow.
would fail if it did not command Tyres were emptied and ingat notice through publicity, adver- ed with als from pressure cylin- Still something is missing. Thetising, and sales channels. The ders.. A dynamometer run was) customer raroly gets anywhere Mobilgas Economy Run, there- made to check power autput,; The cars were carefully weigh- near the mileage potential bullt fare, Is-less research-type en-speedometer and odometer read-ed before the run and each car into 1950 chrs. The customer not gineering and more sales-type Ings. Fuel-air ratios, manifold was credited with not more than only does not know how to Im- engineering. In nature than the pressures, and tendency to de- 750 pounds of load. This includ- prove his mileage, he seldom usual S.A.E.-meeting subject. tonate wore checked.
ed the four occupants. Addiilon- made up with nl weight was The rules for this event werej
all lubricated lead ballast not to exceed 150 established by the Contest Board according to factory-approved pounds. of the American Automobile As-recommendations. All engine oil sociation. It was the intent of and gear oil was drained and the these rules to insure that the cars cases réflled. were to be driven in what is
of
knows what level
petrol mileage he should strive for when so inclined.
What appears to be missing, then, is a knowledge of the at- tainable level of mileage and the ways of reaching it. This in- formation would benefit the automotive builder in sales of the car, the
car dealer in sirengthening his selling points, For example, the rules state: the oil industry in enhancing the "When a competing car is travel worth of its petrol, and the cus- ling the engine must be running tomer with more transport miles and in gear at all times. Ceusting, for his dollar.
by throwing the car out of gear, or de-clutching, will not be al- fowed.”
cars were
:
Ton miles per gallon
considered to be a normal method. two-day period. Some of
The run lisell was made.over a
The results of this are express- the ed in lon miles per gallon. This No unusual driving tricks were contestants actually did a great
datermined by multiplying the permitted.
deal of experimental running to weight of the car and its ce determine the best technique for cupants in tons by the number of driving this course. Others made official miles driven and dividing number of gallons of practically no preparation and by the drove the cars according to their petrol consumed. This method obviously Icaves something to be best judgment on the run..
desired, since it would not reflect The course itself was 751.3 Improvements made through re- miles in length. It ran from the duction in weight. Considerable
which to
between
to
Once the automotive and oil Industries have developed and sold their products, the problems
It was also required that the the centre of Los Angeles, North thought is being given to the pro- Involving mileage become more cars be driven in accordance over the mountains, and across blem of developing a more com- involved with people and
less with the traffle laws in effect at the desert to Lane Pine, Califor-prehensive basis on with straight engineering. Get the time and place of the event. nia. From there it turned East make the comparison ting public interest is one of the it was necessary to observe all across Death Valley to Las Vegas, different cars. first hurdles,
"Stop" signs and the time was Nevada. This constituted the first
wa day's run.
It now. looks impractical regulated that it was unneces-
work into the mileage formula Surely I would be a hopeless sury, to exceed the legal speed On the second day the cars anything other than miles/gullon task to invite the public to at- limits. In general, the cars were were driven from Las Vegas and vehicle weight. The elements tend S.A.E. meetings where car to be driven in a manner which through Kingman and Williams, of power, gear ratio, engine adjustment and driving technique a motorist could duplicate with- Arizona, and thence North to the torque-transmission gear ratios, are discussed, Public Interest out great difficulty,
finish line located on the South and, the like probably
can best must first be aroused in the petrol-
The cars were selected by the rim of the Grand Canyon.
be worked into the competition mileage possibilities, and agen-
by solection of the terrain and all This route covers an clea outside the engineering AAA oficials. They were
altitude trafic conditions of the test societies must carry the message model). It
stock, four-door sedans (1950 apan of approximately 1,200 feet, course.
was specified that ranging from 178 feet below sen
Of the 751 miles in this run a no car could have been previous level at a point In Death Valley, N
ly driven more than 5,000 miles. to 7,005 feet above sea level at rather high percentage was mountains where Once the car was selected, it was a point near the Grand Canyon. through the Placed under the jurisdiction of The normal temperature varia favorable engine power and en-
AAA Contest Board.
factors tion over this
for the ging torque--gear ratio course
contributed appreciably to good month of February ranges from at Grand
Spoed is specifled at economy. approximately---10°F. Canyon to approximately 90°F. in about the highest level permitted
by safety and traffic laws. Death Valley,
Economy run
To get the ball rolling after the last war the General Petroleum Corporation sponsored a stock- car economy run under the direc- tion of the American Automobile Association. The run for 1950 was made on February 18 and 16,
Careful check
+
In order to keep the number of cars in the event to a reason- able limit, it was decided to test
Temperature range
This introduced still another While carefully, supervised and
Important performance element, thoroughly controlled by the only one car cach particular
particularly where little time can AAA IL not an attempt to make and model. This precluded During the 1950 run the tem- be wasted on the long mountain duplicate dynamometer test data. picking several cars in order to perature range
climbs. Considering the traffic Was somewhat driving. It is not a field test in the schise obtain an average Bgure. Because less. than the normal, being in over-all high speed we can read mountain roads, and of a proving-ground economy of this limitation it was neces- the order of 28°F. to 68°F. Into the ton mlies/gallon measurement. The run is de sary to make a very careful check Genarai Petroleum laboratory signed as a practical road de- to be sure that no changes had test car accompanied the compet-parisons many of the other im- monstration of what can be done taken place subsequent to manu- ing cars. A continuous record portant car performance features facture and every functioning was made of the temperatures, desired by the American driver. course part of the car chosen was with- relative humidity, and barome Froper selection of the In factory-specified tolérances. tric pressure.
compensates for most shortcom-. ings in the ton-mitus-per-galiọn formula:
NEW CHEVROLET for 1950
Distributors:
FAR EAST MOTORS LIMITED
26, Nathan Road, Kowloon.
•Tole::86849:18:37
com-
There are several possible A series of readings were made methods of selecting cars for the to determine, the atmospheric The results of the run draw rin; each has it's advantages and conditions along the course and attention to the over-all -results shortcomings. For example, a tó and out how certain tempera- rather, than the comparisons be- random selection without fntures in the car itself varied with tween" cars. In presenting the spection might penalim a builder, outside conditons.
results to the public the inter- Acceptance of every known trick
- pratation - will be somewhat as and device would remit în a
Timing of the test cars was as follows: competition between
companied by establishing a Avarage. Milés par Gallon:22,07 | crews rather than cars. The methods number of timing stations along (Tan Miles/Gallon 80.29) used here appear to be the best the route. Each timing station
This is a surprisingly high was provided with a standardised compromise.*
gure
for a cross section of chronometer. The route Was American cars driven over a di- The AAA oficials contacted patrolled by traffic officers in Beulf course at an average of the car manufacturers and ob California.. Novada, and Arizona. 41.0 miles per hour. It is surely tained all pertinent specifications. Approximately 250 General Petro a tribute to the designar of mo- A complete stock status sheet was teum. people were · Involved |dern' cars.: While the car owner then prepared. The items shown directly in the execution of the may not be able to get all of the on the sheet were all measured to to cover every contingency such Economy Run, he may see from run. Arrangements were made high, mlleago attained in the determine compliance with factory as unexpected road blocks or the remuts the high level attain- specifications:
storms. Provisions for using able by really working for it. The Inspection of the cats was chains and making emergency mies per gallon Range: 17.11 to done, in two stages, First, the stops at various places were also engihe wean.chippletely; dis- minde.
(Ton Miles/galion41.77—81.27) assembled in the dealer a shop. Measuring fuel was one of the Twenty-two are out of 32 All parts indicated on the stock principal problems involved. obtained better than 20 miles slatus shoots were measured and gines, this was actually a fold gallon, and twelve cars fell in the results, wepa, recorded. This test, no attempt was made to uso
3d328-10-20,32 miles/gallon was done under the supervision precision laboratory, weighing de- range. It's all cars were bullt of sit-AAAA. qfficial: Any pari. which war bot within the limits Beckust of the long-dis primarily for evonomy, the mile
· tahoo'sɛrun,⠀⠀ small errors in-range would be very narrow, of the factory specification, was measurement became rather in However pubile tasto 5 demands replaced with stock part which significant
comfort convenience in handling, was within the Hits. The tin-1NERKE sines were then: resesembled, and The cars Wara: diled by, placing: AppENTADOS sealed by the AAASAŽA 'ba level, borjerbia, peda, Bpecial
pada were poured at the falsh don on Second inspectiones inne to permitilat meatturement. 3FDEM The wars were driven - onto tho WAS÷TARGO Cal arfaus, and the rest buinbere
were raisedtwith twoɑjnoki
VICES.
1
[DOELAINANTS, bukit for: utmost in
Aautomatio: features, Spower, ult is no re- alts cars, therefore, lomyśla lower than then? designér
ILFORD
Films, Cameras & Photographic Materials
USE
The Famous
SELO and H.P.3 FILMS
and
ILFORD
PAPERS & ACCESSORIES
Available at all loading stores-
but in case of difficulty
See The Syndicate
Sole Agents:-PEKIN SYNDICATE LTD.
Rooms 316-319, Edinburgh House.. Telephone 31224
Distinction
is the mark of approval
bestowed by public opinion
never to freely grunted
more worthilly deserved than by the fine amoking
qualities and special
excellence of Rothmans
De Luxe Virginia.
De Luzo
În altracitor' fackinga' worthy of shot a blend.
Rothmans De Luxe Virginia
MASE IN ENGLAND
*NGLAND'S
VOLT DISTRIBUTORS:
LUXURY
GILMAN
CIGARETTE
• COMPANY CIMITRO
Keep Fit & Fresh
in
AERTEX
This well-cut sports shirt is made in Aertex, the original Cellulár fabric. It is specially designed to keep your body at an even tous perature. 'Tiny cells in the weave enable your body to breathe.. You will keep fit and stay fresh in Aertex. Always choos Acrtex for coolness and it--in men's, women's and children's shirts, underwear and pyjamas,
-look for this tab
CAERTEX'S
on every garment. Write for fully likastrated catalogus toʻ Cellular Clothing Co. Ltd., 465, Oxford Street, London, England »,
healthy. lustrous hair....
naturally //
STOPS LOSS OF HAIR' ★'
KLIMİNATES 'DANDRUFI
PANTEEN