SHORT CIRCUITS

Rotorua Morning Post, Volume 2, Issue 344, 4 October 1932, Page 2

SHORT CIRCUITS

When the compression is poor the trouble cannot be permanemly cured b.y.,enric.l?fin^ tbe fuel mfxtiu'e. .Enriclim'g tb,e( mixture may seem to.cui'3 the knocking on bbls, etc., w^ich results from po'or compression, but it also causes ofber yifficulties. For lhstance, a. pch mixture usually causes an e:ceess amount of raw gasoline to be draw'n into each cylinder on the comprasssion strp.ke. This raw. fuel is forced jpast, the pistqn rlngs to the crank case, -where it ca'uses fapid thihning of the lubricating oil. * * * * when adjustments are being carried ' out on the engine — an^ especially when a job such as deearbpnising is being undertaken — thare is always a i'isk of scratching thie finishi of the : front wings, either by dropping tools cr parts on tp them or through coat butto'ns riibbing. ag'alnst the surf ace as one leans .over the engine. It is quite a good plan, therefore, to mak ; a pah; of wing covers of ealico or some similar. mat'erial.' There is no need ' to make them an elabcrate fit; all that is required being a sheet that will complately cover the wing ;and valance; if a hole is cut in each tp accommodate thie side lamps the coyars will remain in position quite satisfactorily.

* 4- * * Over 7000 "Loopway' 'signs were erected durihg last year by the British Automobile Associatipn to. indicate alternative routes neesssitated by aceidents, road repairs, reconstriiction, etc. * * Subscriptions and entrance fees to the British Automobile Association , last year totalled £808, 768; £619,605 ha.o been spant "on tha r.oads in direet services to members, whilst overhead expenditure was only 15 per cent.', an cxceedingly low figure. =!= =f. * =:= Many motorists find that gas-filled headlight bulbs giva a better liglit . than the ordinary vacuum type. The reason for this is that in a gas-fill"d bulb the filament is raised to a much higher temperature when the current . is switched on than is obtainable with an ordinary vacuum-filled typa. The gas-filled bulb is first compldtely exhausted of air and then filled with ! nitrogen or argon gas. Therefore, the filament is surrounded by an lnert gas, so that it glows brighter, without fear of fusing the motai, than it would in the normal type.