1931-11-14 — Page 9

BRITAIN'S DOUBLE SPEED TRIUMPH.

THE HONGKONG

TELEGRAPH.

MOTORING

SUPPLEMENT. SATURDAY, NOVEMBER 14, 1931.

electrical operations is performeded to ensure that the finished arti-indicators for aircraft engines was perfectly every three-hundredth cle is a worthy Hoffmann product. begun, and these are both part of a second. But it is a fact,

exten. It should be mentioned that a sively used for military and civil On the less. Thus, the fre- Hoffmann Bearing to a British pro-aviation. quency of the spark in six times duet in the fullest sense greater than the frequency of word. There are articles called ordinary electric light

mains

British which are made of foreign whilst the

1.3. per square foot, an, extra-ce the re required to pro- material; others are made under ture is stationary, and only a lighti

at the plug points foreign direction or by means of

(Continued from Page 2.1

breaking engine are of the pare of the The magnetoe use on the record. indseter type, in which the arma- The wing loading works out at

rotor with a apindle of high ten- ordinarily high gure. The fact x 8,000 volts, that, despite this high wing load-zrenter than that used by an Bearings are not in these categories ment in the result of many years of

or furly times foreign capital, but Hoffmann alle steel is rotated; their develop ing, the machines behaved so well ordinary electric light bulb.

It-they are when landing and taking off is

of British material, research and experiment. The remarkable tribute to the success

British control, and financed" made by British workmen under most suitable materials **** the of the design. "The wing loading

British capital--in short, they are the result of tests at speed ap

by various parts have been selected as. British throughout,

preciably higher than those which could-over bo domanded, so that even at the speeds of this engine there is a large factor of safety.

Historic Flights. Watford magnetos have

of the 1020 machines, was only 30.2lb. per square foot.

Thewing-pan-of-the-19t Vickers Supermarine machine in. 20ft. and the total wing area is only 195 2. This wing area hus not been increased, the extra lift being entirely due to refinemetits in design. The aileron area has been slightly increased.

The behaviour of Vickers Supermarine planes has shown that they are highly controllable and that, so far na safety

the

interesting to note that the magnetos supplied by the British Thomson-Houston Co., Ltd. used during the Schneider Trophy Flight, produced no fewer than 1824,000 auprka

The Vital Spark.

ли enormous

plugs have never before

~Everywhere.”

been

Limited in origin, they are unl- vernal in destination, engineers in precinting them, and using them. every country knowing them, up-

highly efficient engine which is to-been accomplished, for example, an class of prime mover, They find application on every used on Rolls Royce engines with! from the which many historic tghts have) day the centre of interest ranging older type of Watford. magneto down through car engines to the was used on the engine with which

ellentes to the most gigantle. Heavy the Athuntie in 1919. heaviest stationary Industrial Sir John Alcock und Sir Arthur units on machinery from the most Brown made the first light terms

used on the test flight to Australia, They were rigid or plant contraction--all and during the present year have conditions can be entered for all been used on the Rolls Royce en- imitations Bearings used in the light of Hoff has established the world's speed Hoffmann gines of Miss England 11., which mann experience.

record on water. magneto has been fitted as standard A special typa Watford equipment on Rolls Royce engines

mot by

It needs little imagination to realise that the Rolls-Royce racing cagine imposes indeed a strain such as sparking strain on the sparking pluga

been called upon to wilbatand. 11 is not therefore surprising to find the which Messrs. Rolls-Royce again name "Lodge" on the plugs with is possible with aircraft

hose 10 design for attaining speeds ever arming the confidence they show-right loads, high or low speeds

their engines rc- provisonly attemptent, machines are safe."

sed in using this make of plug in The puts the 1929 Schneider contest, and are unanimes in praising their enabling the Lodge Company to handling qualities

in all efreetaim with due pride that their HINDRER,

Thrae, then, are the airra

plugs were used exclusively for which have brought Great Britain Schneider Trophy team, and for equipping the complete British the two greatest speel lefumph the world's record speed attempts. possible. They have shown them- selves superior to all others in the The type of plug used was Lodge particular branch of work for

X170, specially designed for the which they were designed and they Rolls-Royce racing engines, but represent a supremely great aerd-based upon the normal Lalge nir- dynamical achievement.

raft plugs, and made from exact Is similar materials, materials, and

worki left nothing to be theless

and Lodge plags agai faithfully fulfilled their part in winning the Schneider Trophy for England, and enabling man to travel at the highest speed he has

The B.T.H. Magnete. When airerat achieved great resulta such a4 winning Schneider Trophy, which has re- cently been accomplished by the Vickers Supermarine Rolls-Royce S. 6.the iny mind is apt to think only in terms of the engine and seaplane, and forget the uecen- aories, which

had to have

be developed supplied to make this

possible.

LY

The

past.

ever attained.

fact that the whole history of the Only thus can be explained the Hoffmans concern has been one of continual growth, and that resince 1918. "ponsible designers specify Hoff man Bearings wherever the nerd, for reliability is paramount,

گودا

ہیں

FINE TESTING.

Acrobatic Motor Oil.

The man who trains fleas for the circus ba..simple task when compared to the automotive particles in a drop of motor oil worker avlio makes Invlaiblo

somersault.

Superlative British Steels, By no means the lenal of the many romançes which He behind the triumphal and record-breaking performances of the Rolls Royce engine is that connected with the manufacture of the superlatively Working in close co-operation with fine British steela used throughout, the Rolls Royce engineers and de-turn signers, and using the full technical Of course, the particles become resources

the world-famous visible when the oil is placed ander in Sheffield. Firth-Brown research laboratories chemical microscope, such as is

Messrs.

Thomas used in the metal depart-f tacked the problem of producing Company. But making them do Motor Car special alloy steel to meet the al their acrobatics is another matter. most unheard of acne whose touch is unbelievably

In fact, it calls for an expert by the -radient and advanced de-

dc. licate. It also entis for a device sign of the Rolls Royce R. engine,

known as a micromanipulator. The micromanipulator izs series

which

may he at- tached to the chemical microscope. If operated with sufficient delicacy, 11 will activate the particles of oil

the desired motion. Tot acquire the proper touch. operator frequently practices for years.

(Continued on Page 4.)

The exclusive patents and pro- which went to the making of the Lodge Schneider plugs are in corporated in the standard patterns I for this of Lodge plus for aircraft, motor-Birth and John Brown, Ltd., ut- ment of the great achievement were design cur, and other uses, and those wis and supplied by The British have seen the Lodge Company a Thomson-Houston Co., Ltd., Coven-matet factory at Rugby-ineiden who are already renowned for tally the only factory in Europe de their participation

լ similar voted exclusively to the manufre recurds of

The magneto must be considerable to appreciate how it is that ture of sparking plugs--re well ed as the heart of the engine and,Lodge plugs to their work so well. like the human body, if the heart does not function properly the body cannot work with the maxi- mum of eflciency. The function ing of the engine, its smooth run ning. Its capabilities menstred in horse-power, is dependent on the magneto and the spark produces for igniting the gases in the

ylindern.

Important But Unseen.

It takes a trained engineer ta estimate properly the load coming upon the various parts of an en- gine during such an event as the Schneider contest, but all who give the matter any thought that the stresses must be great, and that the ability to withstand them once of the engine can be seriously of sterling quality.

It is a fact that the performenccessfully is conclusive evidence affected by the magneto, as, for

Tint this quality

can see

extends to the

keyed

to still

Scrupulous Accuracy. Even in the early stages of de- velopment of these special steels normal and generally regarded high standards of testing had to be

inte more rigidl more scrupulous accuracy.

Every process, from the melting of the atcels to their final forgings into such parts as gear blanks and connecting rod blanks, was super- vised not only by the most expert men in the works, but also by the staff of the research laboratories, must modern

an-i

noi when the throttle of the various components utilised is the equipped with the

of the engine must rise rapidly in Company, Limited, of Chemi

is opened rapidly, the speed reason the Hoffman Manufactur- scientific instruments for recording

U exact forging temperatures also, and if the magneto has at stor, feel price in the outstanding other details esential to success in the capability, then the rise in

success of September 13th. Hoff meeting such drastic specifications. speed may be very slow; also, the

tained running

very

DEL

magneto must be empable of sus man

the mann Ball and Roller Bearings, Absolutely nothing was left to high speeds ich are stand

which standard Atmienta on chance. For instance, after most and produce the sparks regularly have been usi

| Rolls-Royce nera und car engines, careful machining in the Rolls without a miss. Not only mixtays been used in all the winning Royce machine shops, the auxiliary

deliver magnety

British machines during the whole connecting rods were finished to the sparks post-War course of the contest. weigh Lwo and regularly, but always at the cor

three-quarter instant. and unless the They have always acumitted them-pounds each-an amazingly low ex this, it would be im-elves well, but it is safe to say figure and high tribute to Firth) that never have they been tested sosteels, when it is remembered that its power and speed under stringently as on this lust ocen-euch connecting Fot transmitted

slon.

the

Fret

Sain

for the engine to main-

the very trying conditions met in these speed contests,

The Source.

Continuous Improvement.

something like 200 horse-power, Messrs. Thomas Firth and John Brown have been, since the founda-

responsible for the high-grade alloy steels used in the engines, gear- motorears, and also in their noro boxes, and back axles of their

engines,

Two Great Records.

The misgurtnes used on the tolls This is, of course, as it should betion of the Rolls Royce Company. Royce engines were of the Polar because for every engineering pro- Inductor type, and incorphratal duct conditions become more sever, many features of proved reliability and these conditions can be met to withstand the severe conditions only by Incorporating the fruit of which would be imposed.

accumulated experience so That there is, year by year, continuous improvement. This improvement The ultimate source of the apark ma is in the two smail Cobalt Steel the winning plane and engine, or may be obvious, as in the ease of mugnets fastened on the sides of it may he only discernible to the the housing, and these, weighing trained eye, as, one is constrained and air they supplied the special only a few ounces,

shy all the to believe, is the case with Hoff-alloy steet for the reduction gears, energy required.

magnetic

maun Ball and toller Bearings. connecting rods, camshafts, gud- is picked up by the rotor and este curines in their prosent keon pink, and a the bar miste

nisterial. In Audition, as

of their original researches into the

flux

are tire

In the famous R engine which holls the world records. on water

need through the iron circuit, high sfate of pers' specializ-nblem of producing steels which

the

Wound outecme of over 30

flux

tee of

heut, with the additional feature of

around part of which is wound The cofl, first

in one direction and then in

experience, the experience to obtain the men whose whole entries have retain immense strength at white necessary f spark pr

on anti-frictione for been concentrated production, This is bearings; it is therefore small won-on-sealing properties, the valves winding of the coil and when such high esteem. In duces a current in the primary der that they are held to-day in the R engine were made from addition.heir very latest development, in maximum the oircuit is they are manufactured under mos renebes

what are termed heat-resisting broken by IM

by means of the contact favourable conditions, The Hoff-

are,

steeks,

"Firth HR. Crowb breaker mechanism and " . voltage

current is produced in the meres on the outskirts of Chelms

The amazing speeds recorded by secondary winding. The high for the shops being replete with

super-marine Rolls Royce voltage current is passed through

S.G.B. machine are In adequate prapt to the world thut British alloy steels still maintain their re liability, and that Shefeld still putation for excellence and re- leads the world in producting fine atcels.

himann works have a door area or Mox 6. mely

a special distributing mechanism the most modern muchine tools.

to

the pings fitted to each cylinder.

The position of the contactor

Thoroughness.

breaker mechanism, in relation to would not be of general interest, A detailed description of them rotor position, when the

but since the accuracy of the bear

the

primary current is nt a maximuntings depends to a large extent on

be correct, and the magneto

various grinding processes, it may tbe mentioned that, the Hoffmann

is timed to engine in such a

18

manner that at the correct moment grinding department is believed to

The Watford Magneto,

The Watford-magnetos user

enging

for each cylinder, the voltage at be the largest and best equipped the special Rolls Royce

GIL

the plug points reaches a value at which the small gap of air in Great Britain, and it is visited with which Filght Lieutenant G. H. breaks down and an electrical cur- by engineers from all parts of the Stainforth attained the world's re- cent, called the spark, passaca country. But Hoffmann thorough manufactured by North and Sons, cord speed on September 29 were OBR and ignites the gases, and nesa in manufacture Hoes further Ltd., of Whippendale-rond, Wat- X10 adda another impulse to the back than, and persists beyond, the ford, and 14, Soho-square, London,

of operations, which go to netual fabrication of the bearings.

A fully equipped metalurgical W. 1. This firm was engine.

#CTOBR

cycle

produce the enormous power afboratory is kept constantly em- (in Soho in 1837 as medi

the

When the Supermaring Rolls-ployed in testing all material and of high-class complicated watches, Royce Sunplane is travelling at supplies as they enter the works, and from the earliest days the a progressive 400 miles per hour, the ranknote and the recorded history of every business has been rotor is revolving 4,780 times per bearing starts with the laboratory Invented by one of the earlier part- one, the modern chronograph,being minute, or 79 times each second, report.

and the magnetic flux le boing revernod 18,020 times and the same

number of sparks are produced.

Incessant Watchfulness,

During manufacture, gauging

It is almost inconceivable that and viewing are incessant and

a complete cycle of magnetic and after completion tests are impos-

nors.

The manufacture of песев- ories for motor-cars was com menced at Watford in 1894,

and

some years later the manufacture of magnetos and engine revolution

of levers

1

Economize with free wheeling

THE greatest automotive economy news in the his.

tory of the motor car was Studebaker's announce- ment of this powerful new Six plus Free Wheeling. Free Wheeling adds 15% to 20% savings in patrol and ail to the economy of this economy champion. Free Wheeling, too, brings new motoring luxury- quiet, smoothness, eose and comfort. Now you glide two miles in ten on momentum's wingpower. This Studebaker Six gives you Free Wheeling in its finest form-yet you may own this powerful new Studebaker for very little money. Come, as our guest, for a Free Wheeling ride-today,

All new series Stedebakers have Fras Wheeling with one go? change laver engineered at an integral part of the chauls,

THE HONG KONG HOTEL GARAGE

STUBBS ROAD.

The Hong Kong & Shanghai Hotels, Ltd.

(lucorporated in Hongkong)

STUDEBAKER

AUBURN

STRAIGHT EIGHTS

car

AUBURN Cars combine outstanding competitive advantages features which owners definitely want to buy-at a price that has never before been available in an automobile of such distinction and performance. AUBURN-the world's greatest value stands un- challenged with 107 important features and improvements.

ALL MODELS ON DISPLAY AT-

THE ASIATIC MOTOR CAR COMPANY, LIMITED.

430,-445, HENNESSY ROAD,

*

NEW RECLAMATION, HONGKONG.

TEL. · 27425.