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AN interesting tyre-economy tip emanates from the U.S.A. Some users are employing thin, partly worn covers in the summer, owing to their developing less internal heat. It is claimed that the total tyre mileage is increased, as the new, thick (therefore hotter running) covers work only in colder periods.
AS a result of the efforts of this paper and The Motor, a Bentley car equipped with a Gardner oil engine will participate in the Monte Carlo Rally, for which it has been entered by Lord de Clifford. It will be particularly interesting to follow its performance in this well-known event.
ARTICLES at present appearing in the American Press about the road-rail controversy there, make familiar reading, all the arguments which we are accustomed to hearing in connection with Britain's transport problem being brought forward.
TORSIONAL oscillation in crankshafts can play
some queer tricks, one of which concerns chain distribution drives equipped with automatic adjusters. This oscillation may cause the chain to whip, the adjuster tightens one tooth of the ratchet and then the chain becomes overloaded. A palliative is to use a manual adjuster in place of the automatic one. AS an. example of some of the extraordinary con ditions of travel in various countries, we may mention that in chatting recently with Mr. Hugh Gardner, of Norris, Heuty and Gardner, Ltd., the oil-engine builder, he referred to a particular route in the Rocky Mountains upon which one can coast for nearly 100 miles with only an occasional touch of the accelerator pedal. Here, a Consumption test would certainly require a journey up and down.
IN connection with the broadcast that is taking place from the Austin works, at Longbridge, Birmingham, on January 19, the B.B.C. engineers will operate from two control rooms and will -employ eight microphones. Included in the programme will be sounds of axle welding; frame riveting and 500ton presses at work, whilst listeners will also hear 40 engines on test simultaneously. Sir Herbert 'Austin, K.B.E., will provide the first part of tile commentary, whilst the second part will he given by Mr. C. H. F. Engelbach, the company's works director. THE White bus equipped with a 12-cylindered engine, with the cylinders opposed, gives 3/ m.p.g. This might appear to our makers as being a very high consumption, but the acceleration is so good that more journeys are made per day, and it is argued that the fuel consumption is of relatively little importance.
BRITISH makers of buses are concerned by the fact that the Ottawa Conference Proposals did not take into consideration the import tariff on this class of vehicle, which remains at 15 per cent, as heretofore, apparently because no one asked for its removal, although the goods vehicle now enters free. Efforts are now being made to rectify the omission.
ONE of the reasons why Canada desires to buy British vehicles is on account of the annoyance which is being felt at the attitude of American makers who have shut down their Canadian factories and now ship vehicles from the U.S.A., thus reducing employment in the Dominion.