1927-10-22 — Page 12

THE HONGKONG TELEGRAPH,

B.S.A. Motor Cycles

Won a Team Prize Again

IN

THE INTERNATIONAL 6 DAYS' TRIAL

Aug. 15 to 20, 1927-Lake District, England

Gold Medals

Awarded to the team of three riders using B.S.A. 4.93 h.p. O.H.V. models, all having completed the course without losing a single mark. Another B.S.A. rider of the Dutch team, mounted on a 4.93 h.p. Sporting side valve machine was also award- od a Gold Medal

Gold Medals

Also awarded to a riler of B.9.A. 3.49 hp, Q.M.V. motor cycle combination

d

-the smallest powered sitipear to win a promier award as well as to a rider of 9.86 motor cycle combination.

Lead the Way on a B.S.4.

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THE CONQUEST OF THE AIR.

Water or Air Cooling for the Future?

SATURDAY, OCTOBER 22, 1927.

sorter in world, in addition to having an astonishing rate of climb. It is engined with a Napier Lion unit, of which the power output is now nome 550 hp. compared with the original 450. The Hounds ta baing adopt- ed by the R.A.F. as A general purpose two-seater. the fact that the majority of long tour H. R. H. The Duke of York, During his recent Australian distance attempts with water cool who is a Group Captain in the ed engines have failed through R.A.F., visited Point Cook Aero- engine trouble; one indeed having drome and inspected a number of come to grief for no less a signl-super-marine Seagull" amphibian ficant cause than the boiling away machines, each fitted with a singlo of the cooling water.

Napier Lion engine.

Another interesting example of the capabilities of the light acro-

I

Long distance flights seem to be becoming a habit, and they indicate that the days when or- dinary mortals will turn to the aeroplane as a means of getting from place to place, gre nearer than the average prophet was in- clined to imagine. But

recent

A. Fine Range of Engines. long distance achievements or at- tempts have thrown the lime- light on an old aviation question British productions in air cooled English woman pilot, Mrs. Elliot One of the most interesting plane is afforded by a European tour recently completed by the that has been previously referred aeroplane engines at present is Lynn. In an Avian machine she to in these notes: Is the air or the range of the Armstrong Sid-set out from London and proceeded water cooled engine to be the en-deley concern at Coventry, and in a practically straight line via gine of the future?

this range was very well repre- Brussels, Cologne, Leipzig and sented at It is by no means easy to pro-

an international sere Breslau to Lodz in Poland, whence, sent a collection of data tending show recently held at Copenhages, after a rather unpleasant inter to prove either one or the other Armstrong Siddeley Jaguar view with the natives, she had to thesis, for at present, while the one of the best known

Bero escape into Czecho-Slovakia and water cooled engine has by fargines, in present production, and thence returned to Brussels, and the greater number of really star he achievements of Sir Alan Cob performances to its credit, the affam on this power unit are more cooled engine has within the last than suficient to place ita TH rear or so put up performances liability and its reputation that indicate that before long it yond question. But it is not will balance the water cooled listenerally known that this engine of triumphs. Nor can anything of some 400 h.p., far from being very useful be deducted from the the only model now produced by use of either type of engine by the firm, is the largest of four

different various sheraft .enterprises,

types. Next to the whether these enterprises be Gov-aguar comes the Lynx which is, Jernment fighting forces or big as regards the cylinder arrange ments, practically half the Jaguar, the first having fourteen and the Governments at present, it is second seven cylinder radially jals: true, favour the water cooled mounted round the erunk

engine and some of these engines The smallest member of the family have put up reliability records is the Genet which develops 27/29 that no air cooled power unit ath.p, and there is another five- present protaises to surpass or cylinder unit known as the Mou- Joven equal.

goose of which the b.h.p. is 120.

commercial air lines.

be-

case.

on

Private flying, by which may be Armstrong Siddeleys are, by the junderstood the few machines that way, one of the firms who, pro- jare privately owned and those claim the influence exercised by maintained by flying clubs, is their Aero engine experience In mostly by air cooled engines, but their car designs, and it is signi) generally this is explained by the feant that Armstrong Siddeley imple factor of cheapness. Air Motors Ltd, also claim to be the cooled engines are available in largest producers of six-cylinder amallet sizes than water cooled, motor car in Europe, the engines their fuel consumption is general of the cars being designed y a little lower, and, if their re-lines which his concern followed fiability rerurd may not be quite with their car-time water cooled so good, their actual maintenero engines. In addition to nero ance casts in the matter of re-engines and motor cars the com- pairs, and renewals when nece-pany has recently adopted

ary, are likely to be lower than pioneer line of aircraft construe those of the approximately equiva-ion for all-steel aircraft emanat- lent water cooled unit.

ing from the Coventry works, which equipped with engines from ander the same roof, is already being standardised by the R.A.F.

But what does emerge from re- cant events and throws consider able light on the controversy, is

THE B.M. W. TOURING MOTOR

CYCLE

WHICH WON THE ITALIAN TARGA-FLORID RACE, 1927

12 B.H.P. MODEL R42 500 c.c.

The new B.M.W. Touring Madel represents the latest and most progressive form of engineering development applied to motor cycles.

In designing the 12.42 model, it has been the maker's endeavour to procure with all possible expediency, every step of technical progress and every item of riding experience for the henefit of a wide circle of clients. The outcome ́of this endeavour has been to produce---

The most modern Touring Motor Cycle of the highest quality ever put on the market.

A FEW NOTABLE FEATURES

Engine entirely water and dust proof:

Double Frame throughout.

Increase of engine power to 12 brake horse power. Rims suitable for normal or balloon tyrus.

All gearing effectively enclosed in oil-tight casings. The universally recognised advantages of shaft-drive. Bosch head and rear lights-Speedometer-Horn. All spare parts in stock in Hongkong.

May we give you further details of this super-motor cycle? If you are interested in the most luxurious two-wheeled machine in the world, please call or write for full specifications and particulars.

REDUCED PRICE H.K. $830 00

Sole Agents:-CHIEN HSIN ENGINEERING CO. First Floor, Asiatic Building..

A New Water-Cooled Engine.

L

That the makers of water cooled engines are not standing still and watching the progress of the air- cooled unit without an effort to compete with it is indicated by the fact that Messrs. Rolls Royce Ltd. have recently produced 411 entirely new water-cooled engine, The Rolls Royce Eagle and Coa dor are emphatically among the most successful and highly esteem- ed water cooled engines now in production, and they have to ther! credit, many outstanding flights! ranging from the first crossing of the Atlantic in 1919, and flights! from India to England and Aus- tralia in the same year, to a flight from Morocco to Spanish West Africa in a fleet of Dornier-Wal flying boats so recently as 1926,

The new engine naturally does not replace the Condor, which is the highest powered engine in pre-. sent production, but it is known 28 the Rolls Royce F.10 and, like the Condor, has its twelve Cylinders in Lwo blocks of six vach, but its bore and stroke of 5 x 5,5ins, give a rating of 485 h.. at its normal speed of 12,100 rpm., as contrasted with the 600 of the Condor, Aluminium enters very largely into the, con-. struction of this new.engine for each block of cylinders is formed from a single casting of a special alloy with inserted steel barrels, and the pistons are also aluminium forgings. An interesting feature of the engine is that it is designed for either direct coupling to the propellor or to carry an inter- mediate gearing to give a reduced propellor speed. Naturally, the valves are overhead and they are operated by a single overhead cam-shaft for each cylinder block. Specini care has been taken with the lubrication system which is to both the main and connexion rod bearings under high pressure, and under low pressure to the overhead valve gear, a practical feature being that in the event, of a partial failure of the lubrica- tion system the first bearings to. be starved of oil will be those working under low duty which will be capable of running on for some time after the supply of oll has ceased.

Development of Light Aeroplane,

Among small aeroplanes the Moth is, perhaps, the best known. if only because, in addition to being used extensively by private owners and Clubs, it has achieved many creditable long distance lights. Its makers, the De Havil- land Company, have recently pro- duced a new machine called the Hound which is, practically, a big brother of the Moth, and is claimed to be the fastest two-

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so home along an approximately paralled road to the outward Journey. Owing to bad weather; the fight ended, unfortunately, in a forced landing at Bromley, Kent, although no serious harm done.

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SOCIETY OF ST. VINCENT DE PAUL

Present

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A DE LUXE SEDAN

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