Show GAS PROBLEM ONE growt 6 fluid distilled today constans mich that used to be known as kerosene ENG MEERING SHOWS SNOWS RESULTS intake manifolds are being designed t to give just right amount of heat to vaporize last drop of gasoline aery motor car manufacturer Is of fering in his 1022 1922 product nihat ft hat lie considers an excellent device for get tins ting the greatest possible power kick out of the kind of gas a car has to swallow these says days the poor gis problem Is one ellch tell has grown with the motor industry the first few I 1 lor or seless carriages puffed along on a fluid that was so volatile under ordinary atmospheric conditions tl at st it was ivas readily corn com bus bastible tible now ow that tl e use of cats ciers has increased to the extent that we have forgotten the horseless car ariage and speak of the I 1 or seless age the tremendous increase in tie tl e demand for gasoline must be met by cutting lower loer into the crude oil gasoline distilled today contains much that was known as high grade kerosene a few years ago it Is an indication of the progress made in cars that them the hum oer the hills on the fuel and sputter as little as they do on cold days that s where the more miles a gallon engineering Is showing results proper combustion in addition to its results in n acceleration and mileage at facts lubrication because unburned ned raw gasoline leaking into the crank case thins the of oll A worthy ambition ne ambition of the modern motor engineer Is to introduce into tl e corn i bustion ct imber the most rapidly burning fuel possible when the fuel UL enters in drops only the external sui sur face of the dibi is exposed t the spark it Is I 1 necessary to evaporate the drops into a valor before con Is complete it if fuel can I 1 e reduced to a true gis gi that Is still better liven men A ith tie tl e bast carburetor nov no v obtainable the gasoline Is only partly i apprized it would be sim ie to apply enough heat to make tl e fl it ild into a true gas but anoil er difficulty enters here As the gas Is heated it expends it be comes thinner there is less po power mer in a given alume tl tie e combustion chamber Is not getting as many heat unior as it st intake manifolds are being designed now to give just tl e right amo int of heat to vaporize the last drop of gaso line without overheating the apor vapor heat usually Is applied boniv to the liquid fuel one of the two main methods used permits tl e liquid to touch a hot plate over which the vaporized fuel pa pases paes es without coming into contact another series of hot spot devices uses a settling chimber into wl ich tell the bean ler particles drop to be heated beset with diff curties most hot devices consider consid pr another trait of the still born little drop of gasoline clinging to the dry wall mall of the intake manifold and thus sneak ing into the combustion cl amber with out being vaporize I 1 tl TI e most tar far way of off setting tl at Is to sl 81 ape the intake mini manifold fold so that there is a sharp corner in the internal wall the drop of gas creeps along the wall until ft it jacl es the corner there the r avih ash of A aphorize lapo I 1 gis into the gets a sweep at it it Is 18 as if the gis drop had stepped around the ecce of a aou per into a windstorm and it Is hurled off into space applications of these general prin caples in this heart eari cars incuse inc u ie a combination manifold and carburetor with dampers for regulating the sup ply of heat a corrugated interior surface of a manifold I 1 bated from tl e exhaust an intake passage sur rounded almost entirely by the es ex haust a manifold arrangement con trolled by a damper wl ich shunts ex haust leat around the intake ther mo static carburetor control a fuel izer which leits gasoline and air from the carburetor and males makes it enter the con bustion bastion chamber as a dry gas and many other devices |