SIX STROKE MOTOR:e, at the end of which the
NEW TYPE OF ENGINE
DEVELOPED.
exhaust valves open to start the peycle anew.
It claimed that, by this pro cess, a maximuni ainount of mecha nical energy is obtained from a given quantity of fuel Whereas in the normal petrol engine the degree of cificiency of power cos voraion from petrol is only between 5 and 30 per cent,, in the new engine it reaches 40 to 50 per coat. This pana a zaving in fuel of ap
News comes from Gerniany that', professor at the High School of Engineering at Berlin has evolved ahew type of engine working on a six-stroke cycle. The name of the professor in Terres, and a few days ago he invited some of his colproximately 30 por cent An ald
HONG KONG DAILY PRESS, TUESDAY, OCTOBER 6, 1931.
SPARKS
FROM THE PLUGS
News from Everywhere
NEW GOODYEAR TYRE
TREAD
NAPIER-BENTLEY FUSION,
M.G. PLANS FOR 1932:
"SMALL SIX AND A MIDGET FOUR-SEATER.
For some weeks past negotiations have beon proceeding between D.
A preliminary first announce Napier do Son Lt the ment can now be made of the af.G. famous aero engine, manufacturers Car Company's plans in the way and Bentley Motors, Led, with a of modifications and new modela. view to the Napier company taking
Jengues to explain to them the Benz engine; that formerly deliver latest type of tyre what can be de- C.B., managing director of Napiering one from the enthusiast's view-
theory and working of the inven tion, on which he has worked for 1wenty years. «MAT
ed. 10 h.p. has been converted to work on the six-stroke principle, and now supplies 15 h.p. on the same quantity of fuel.
fuel consumption at the high re- vulutions which are required to cut down the weight of these engines and make thein practicable for automotive work.
The new engine looks similar to The six-stroke cycle opens up? those of the orthodox type, but the new vistas in the development of combustion process is divided in fast Diesel engines, the main diff two stages, a pre-cumbustion and acuity in which is to secure efficient main-combustion stage. The on gine draws in petent vapour with n very small admixture of air, which mixture is then compressed and ignited in the usual way. There
It is asserted that in beavy-oil boing' little air in the gas, the mix- turo burns slowly and only part of engines working on the six-stroke the petrol vapour is consumed. principle the heavy-oil vapour mole. At the end of the stroke the ex-cales are craced in the pre-com. haust valves remain closed and the gas is once more compressed, when 4 powerful jet of hot compressed air in blown into it through n nozzle provided for the purpose. The gas, receiving a sudden surplus of oxygen, immediately flares up and produces the main power
bustion stage so that in the second stuge the fuel burns readily and completely. The combustion, pro-, cesses in this new syde appear. already to have been thoroughly investigated, enn no dimalties are. expected in the practical develop ment of the engine,
over Bentley car production. We for, the coming year. Altogether, learned from MH. T. Vane, the programme is most interest & Son, Ltd., that negotiations had reached air advanced stage, but nothing definite has been settled.
gear box cover, similar to that room has been carefully audiod. which has been used this year for The engine is a 1,250 0.0. six-cylin- the four-speed box on this Monthery der with overhead valves operated typo. Incidentally, four speeds by an overhead camshaft, two B.U can be obtained on this new model, carburetters are fitted, the fuot Interesting points aro that speci-tank is at the back and holds me al, frauble has been taken to gallons, whilst the gear box, has group the various Intricators for four speeds, the ratios of tho whion the chassis in nccessible positions, higher geurs being close, with fres whilst a 12-volt lighting, and igne as a low ratio for emergency pur- tion set is employed. The body has posca The pour lover in of the a neat folding hood with a cover, short, still type, which is to heh.
holstery is in leather, and the wind there, are side curtains, the up- ; ful in giving accuracy of control.
screen is of the type that can be folded fat on the scattle. The fuel is carried in a tank at the back, and the supply to the carburetter in, b why means of a pump. Rudge Whitworth racing type wire wheels are fitted as standard, and the price of this model, with three speeds, is £210. ja
A now type of tyre tread and principle of construction has been introduced by the Goodyear Tyre and Rubber Co. (Great Britain), Ltd. As in the case of building, buttresses are enlployed to assist in taking side thrust, and in this seribed as a rubber buttress in built in at the junction of the tread and side wall, the remult, it is claimed, being that the 'trend' has 50 per cent, mare rubber at the shoulders and an increase of 10 per cent. ab the centre of the tread." It is under- stood that 24 per cent. greater wear has been obtained from this latest design as compared with the pre- vious Goodyear all-weather, tread tyre. Another claim put forward is that the grip the new tyre can in reducing the possibility of skids.. obtain on the road assists greatly parently, some 200 bends, one sec.but the price becomes £165 instead Midget, which has been so extraor
DELAGE COACHWORK
SUCCESSES.
INTERNATIONAL AUTOMOBILE CLEANING Co. beauti loop sales, body;
No. 33, Queen's Road Central, 2nd Floor
EXPERT AUTOMOBILE CLEANERS AND POLISHERS
We clean, polish and service your car during your office hours without removing the car from the parking space.
All work done by careful and experienced men under the supervision of experienced toreman, at reasonable prices.
Fill in the blanks and we will do the rest NAME
Address
Parking Space
No. of Car
Type of Service
Service commencing from....
Rates:"
Daily cleaning and polishing Daily oiling, greasing, cleaning and
$4 per month
polishing...$0. per month
MAKE YOUR CHOICE NOW!
A CAR
TOSUIT
YOUR FAMILY
AND POCKET
ALL MAKES
ALL COLOURS
ALL MODELS ALL PRICES
There's a car bere for everyone from "Dad" Every car in perfect running condition.
If you haven't a car, you want one. And if you have a car, get another for the convenience of the other members of the family.
DE SOTO. SEDAN 1929”, model, Colour Dark Green Wood Wheels, 2 New Tyre Rugine, and Body, im first-class shape 32,750.00.
MORRISTM" "COWLEY." ROADSTER 1928 Model. Recently Duco Painted and thoroughly overhauled, Colour: Dark Bluo...$1,450.00,
|CHRYSLER 70% TOURER 1980 Model, Tip-top Condition through out, very powerful, Colours Brown
501.$8,500.00; FALCON KNIGHT. RETOURER (Slovo Valvo
Engine), quito good Mechanical condition. Colour: Maroon. Tren 66% now
,875.00;
HONG KONG USED CARS, LTD.
2ND FLOOR, EXOHANGE BUILDING;
'PHONE È 25486.
GOOD ITALIAN RACE.
point, it being remembered, of course, that these machines are built essentially as aporta ears, but are pre-eminently the kind of sports cars that are highly suitable for everyday and touring 80
The 356 c overhead valve four cylinder Midget is continued as n fabric two-seater exactly as before,
Over the Montenero circuit, which is near Leghorn in western Italy, they had a first-class race the other day, the course measuring to kilo, motres round and containing, ap
lion bordering the sea and offering highly exciting possibilities. An of £180. Then, on the same chassis, immense crowd swarmed to the there is an additional model con- circuit by reason of special travel sisting of a similar two-seater body facilition, and the organisation and of panelled construction, finished announcement of positions seem to in cellulose and upholstered in have beon, very good. The 1000 real leather. A new type of fold- cc. class had to do eight laps and ing and disappearing hood is fitted, the bigger cars, ten lang, and among and the accommodation afforded by
Montihery Midget. Unaltered. The Mark II Montihery model. dinarily successful in the big races: this year, is continued without al- iteration. The aluminium-panelled body, which is constructed to the dimensions called for by the rules of the international races, can be obtained in any normal finish, the prices which were increasel Rome.
unsupercharged model and £375 for the supercharged type. This, of course, has the 780 .c. engine and a four-speed gear box.
lie drivers were Varzi and Chiron the body is slightly more commodi-little time ago-heing £me for the
Some of the finest coachwork available in standardised form is fitted to modern Dolage chassis In a Concours d'Elegance held in the Pare das Prince not long agoon Bugattis and Nuvolan hru Canous. The price of this model, three eight-cylinder Delages obtain pari on Alfa-Romeda, Campari's which has a three-speed gear box, ed special prizce.
machine being the special double-is £185. The Midget coupe will One of them, provided with a six car. A fine duel developed be. continue, as hitherto in the form
tween Nuvolari, Varzi and Chiron, of a paneled body, the price be- secured the Grand Prix d'Honneur Nuvolari eventually winning at an ing reduced from 2245 to £235 another, with a touring body by average of 51.88 wip. suced so Next, there is an entirely new Van den Plas, took the prize for low as to indicate the difficulty of Midget, known as the Occasional open cars, and the third, a sports the circuit. The fastest lap was Four, which consists of a two-four- man's coupé built by the coach-Varzi's at 63,02 m.p.h., and the seater body on low, sporting lines, building firm of Grummer, was small ear acction was won by n mounted on a chassis similar to accessful in carrying off the prize Salmson at an average of 45.8, n that of the Montllery Midget, bus reserved for, closed..cars.
crash occurring between the lead-provided with the standard 850 cc. ing Salmson and an old type. Talbot, engine. A three-speed box is nor which were running nearly neck mally fitted and is controlled by a and neck, only 600 yards from the short lever working in a visible finish.
gate carried on an extension of the
NOISES IN MOTOR CARS.
MORE RECORDS FOR BRITISH"
CARS.
Dr. W. B. White, Director of Acoustical Research for the Ameri ean Steel and Wire Company, is at present conducting series of photographic investigations, to im prove the acoustics in passenger compartments of motor vehicles. Mr. G. B. T. Eyston, has added He experimenting with various still further to his grant list of kinds of upholstery to learn what accesses at Montibery by annexing fabrics will inbduo sounds that six long distance international re- rench the ears of passengers and cords in clasa: Go with anofi-niper- drivers. He has learned so far, charged Riley Nine, The remark that the pile auriaco of mohair able feature of the performance was velvet absorb sound better than that that all the records, except the of hard-surfaced fabrics. The apoco first, were taken at over 108 m.p.h.. between the vertical Angara goatan astonishing speed for an un- haira, from which the mohair is supercharged car made, act as sound traps," while noise rebounds and "slaps" on hard-surfaced fabrics.
Sound WAVER are picked up through a sensitive microphone at tached to a mechanical unit, con- verted into electrical impulse, and then vibrated on a mirror 'inside an oscillograph. A light brum reflect ed from the mirror passes through
prism and strikes a photographic film, registering a jagged line which shows the intensity and nature jot the sound waves.
HIGH-SPEED TRIAL.
14
After he had taken the 50 kilo- metres and 50 miles records at aver 107. and 108 m.p.h, respectively, a tyre burst aid he had a very narrow escape, the car spinning round several times, Eyston however, managed to regain control and sub- sequently broke the 100 km., 100 miles, one hour and 200 km, re cords.
EXPLORING BY CAR.,
Each summer sces à great number of people home on leave touring the homeland and exploring its varied beauties by car. Unfortu Regulations for the M.C.C. 'high nately the cost of hiring is high, speed trial at Brooklands on Sep- un average weekly rate being well tember 29 are now available. This, over £11, with an excess, probably, I before, consists of hour runs if the total exceeds 250 miles. This round the main circuit, aud cars up mounts into a big sum if a compre- to 850 8.c. have to average 41.27hensive tour is to be made, besides m.p.h, the 1,100's 47.04, those from which a fairly heavy deposit is also 1,103 to 1,000 cc. 52.57, and the roquired.
biggest of all 85.34 m.p.h. Competi. When the period for which the tors have to be, members of the car is required in three months or club before September 6, and en-more, it is far cheaper to buy a tries close on September 16. An dar on the re-purchase system other M.C.C. matter is that the operated by Rootes, J4u. They :remult of the vota. taken of mem- undertake to; buy back-a "car 20 bera, as to whether the London- a guaranteed percentage of its list Edinburgh should be retained or a price at any time up to six months new trial substituted for it, comes from the date of purchase. ra out in support of the Edinburgh, This concern is one of the largest. 222 people voting for it and 200 for firms dealing with export and dis the alternative scheme. In view tribution abroad and has distribu- of the obvious support for the pro- tors in every quarter of the globs. posed new event, it is quite pos Ie is, of course, 'responsible for the sible that a London Scarborough export of Humber Hillman-Commer | trial will be-run dditionally. products.
FUTURE OF THE BABY MOTOR CYCLE. SUGGESTED DEMONSTRA
ment of utility machines was held up for a long time by trade scep ticism and by taxation, says. Motor Cycling. This year the TION OF ITS USES
promised reduction in the latter gicalça (prandial, indian produk dan direction has given them a fillip,. What will be the motorcycle of and the considerable energy of a the future 1 Will the purely sporta botion of the trade has definitely machine continue to hold away or put them of thể tháp na pa does the advent of the "baby" utilis to be hoped that the col ity machine herald the time whenléctive' endeavours of the trade will motorcycles will be used by hun bo divated with grit vigour to dreds of thousands of people every wards ensuring that the public is day for taking them to and from thoroughly conversant with this their work
new activity. A contributor, mik rests that a hig public demonstra
Motor Cycling considers that the utility motorcycle is definitely intion or the capabilities of baby the ascendent, and that a time may bos nos distant when the purely sports machine will occupy a pos tion of no materially greater im portance in the motorcycle trade then does the football boot In, the khoe trade:- The natural develope;
machines might well call attention to them a week or two before the Motorcycle Show at Olympia, and there are many other ways in which the "trado could make John Citizen aware of their existence and their advantages,”
The new chassis can be obtained. either with sports four-stater" body provided with separate bucket sents, for the front compartment and a single-piece seroon that folds dat, or with a body known as the Sliding Roof Foursome, which, he the hato implies, is a close-couplert: style with a sunshine roof. Rudge Whitworth wire wheels are fitted, and a new appearance for MG.s is imparted by the radiator being. inclined. The price of the four- Boater is £200, and that of the
saloon £280, it being stated that delivery will commence in October, The now car will be described in detail next week
The 2-litro, six-cylinder Mark II type M.C remains without altera dele being, two-senter, £028; Lourer, tion, the price for the various mo £600, speed model, £630; two-door Most interesting, of all, in a way. 2010; and inleon de luce, 2009,
away, four-door saloon, is an entirely new car, to be known With the object of simplifying ns the 12.70 hp. M.G. Magna.matters in connection with the Small Six This is a car likely various agente, the standard colour, by reason, first, of its very attracing a choice of five up-holstory lea ro make a big appeal immediately for all ears will be black, there be tive appenraner, and secondly, of course, because of the performance case of the fabric two-senter, which thera, with an exception in tho that may be expected. Low build is being continued with the same has been aimed at particularly, the colours as for 3901. Other exteri chassis being underslung, but, atal colours are available to choice. though, the coachwork, is low in
it the small extra charge of overall height, adequacy of head 30%.
TRUST A THORNYCROFT WITH YOUR TRANSPORT
DEAL DIRECT
THORNYCROFT
SIX-CYLINDERED
COACHES & OMNIBUSES
MOTOR VEHICLES
Pioneer Manufacturers of Commercial Motor Vehicles
Full Range of Sp es carried in Hong Kong and Shanghai,
4 or 6 Wheels
4 or 6 Cylinders
30 Cwt. to 10 Ton Loads
20 to 70 Passengers
JOHN I. THORNYCROFT & CO., LIMITED.
Pioneer Building, Nathan Road, Kowloon.
TEL: 56752.
TRUST A Thornycroft WITH YOUR TRANSPORT