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2-Tube Tire, Electric Shift Are in Prospect for Autos Four-Speed Transmission [ Improvement Looked for by Motorists as Logical Steps BY FREDERICK C. RUSSELL. Fifteen million car owners eagerly await a general adoption or rejection of balloon tires and four-wheel brakes 50 that the decks may be cleared for the next big featur: in motordom. Thousands of motorists already have accepted many of the newer in- novations and have come to regard them as conventionalities. They are awaiting news of newer and bigger improvements in cars The question uppermost in_ the minds of most motorists is not “What are the coming improvements?" but “What can they be> It seems as though the automobile were about 4s near perfect as possible. It does almost everything little better than necessary. "Price appears to be no obstacle. It is so beautiful in design that many people think it is too good- looking for the practic uses to which it is put. What, then, can there be in the way of sor-ething new for the automobile? Auto Engineers Know. As one authority says, the public cannot guess what is coming because it is merely looking for something new. The engineer knows what's coming because he knows what the automobile still lacks. Also the engineer knows that with the changes in car use, traffic condi- tions and the addition of the various improvements themselves, new de mands are made of the automobile, These demands must be met with new engineering featur Designing of brakes. both four and two-wheel tvpe, for 1925 mod~ls, will reveal many novelties in the way of brake equalization and adjustment. With the advent of the need for brake inspection, engineers know that motorists socon will complain if they are forced to the repair shop for frequent brake adjustment. The ad- justments must be so simple that they &= be made in a few minutes time by the owner himself, or per- haps be automatic. The next thing in tires is believed by many to be the two-tube balloon. ‘The motoring public is Erowing weary of changing tires. It is al- ways skeptical of puncture-proof schemes, but it is beginning to no- tice that motor busses using four rear tires reveal the advantages of run- ning “with the spares on.” Some years ago a Pennsylvania motorist experimented with four rear tires on a touring car. While the plan had many dlsadvantages—the least of which was the unsightline. of the rear—the outstanding ady tage was that in event of a rear wheel puncture the owner did not have to stop for a tire change. From this experiment and others like it has developed the idea that the ordi- nary tire ought to be equipped with two inner tubes. Here is where improvements fol- low improvements. The two-tube idea could not be used satisfactorily in a high-pressure cord tire, because with the tubes under fifty or sixty pounds of air pressure friction be- tween them would be excessive. When one tube punctured, the sudden expansion of the other to fill the extra gap would be too much of a strain for rubber. The good tube Another in Development. might even force itself upon the nail that had punctured the first tube. thus resulting in a double puncture and a flat tire The balloon changes the situation Here the tubes would be under com- paratively low air pressure, so that friction between them would be min- imized. In evemt of the puncture of one tube the good tube, being under comparatively low pressure, could expand to fill the gap without danger of bursting. Since the walls of the balloon tire are so flexible no par ticular harm would be done to th tire if the motorist drove on for the rest of the day relying upon the one tube, even though its pressure might not be quite up to normal The plan calls for considerable ex- perimentation. but it looms upon the | automotive horizon as one of the coming things. With so slight a margin between a low-pressure bal- | loon and a flat tire, and so great an | annoyance to the motorist when lhl'] margin is removed. it is logical that tire experts should now turn their attention to the development of the two-tube, or perhaps multi-tube, tire. With the remarkable development of the clutch and the extreme flexi- bility of po plants, there are rea- sons to suspect that one of the next big dev ents will be the elimina- tion of the transmissfon for all nor- mal driving. The car will be in high gear constantly, with the engine per- fectly capable of starting off without extra gearing down and the clutch built to absorb all shock. There would, of course, be a special pedal or lever to operate a low gear in emergencies, as when starting off on a very cold day before the engine has warmed up to its full power output or when climbing mountains Fourth Speed Means Economy. This development, however, is said to be scheduled to follow the develop- ment of the electric gearshift and to be adopted only if the latter proves unsatisfactory. Much interest centers on the development of the electric gearshift, because many see in its great simplicity the development of the fourth-speed idea in America. Fourth speed” on this side of the water has never been popular be- cause it has always been as much as the American public could do to han- dle three speeds. Opinions are divided as to the ad- vantages of eliminating the transmis- sion, and for that reason there are many to boost the electric gearshift as a means of retaining this time- honored unit, It is contended that the more the transmission into play the less re quired in engine and ning in a constant * ' experience shows, requires great engine flexi- bility which can be obtained only by means of the best materials and workmanship, and often at the ex- pense of great surplus of power. The transmission has always served as a tremendous help to the engine and clutch. If it can be re- tained without annoyance to the motorist the chances are that it will not depart as quickly as some people imagine. Some of the biggest developments THE SUNDAY STAR, WASHINGTON, D. C., JUNE 2 s ! o 1923, by Mewropobrai Miwecnoer Servery, are going to be along the lines of “engine diet” For years the engine has been fed carelessly, and it iz, only now that engineers are developing ways and means of feeding it clean air, moist air, air of proper tempera- ture, filtered oil. waterless jasoline. In this air, oil and gas cleasiers will play an important part, and since this development produces smaller and more efficient engines the super- charger ~for extra power, when needed. is expected to make its ap- pearance on modern cars The motor world is rapidly awak- ening to the fact that it is paying for a lot of power it seldum uses. It insists upon power because of the possible need for it, but the time must come when super-power will be an accessory and not a constant feature to be wasted mile in and mile out. (Copyright, 1924, by The Tllman Featurs Service.) THREE SAFETY HINTS. Cotter Pins Should Be Examined From Time to Time. See that the cotter actually in their place, holding the nuts on the various units of the steer- ing assembly. New cotters now and again are good insurance against trouble, though the failure of a cot- ter pin’ to hold its nut is not likely to cause a breakdown if the motorist inspects the assembly as often as he should Before starting off in a sedan see that the locks on the doors are re- leased. There never was a driver so perfect that an occasion might arise in which his passengers might be inclined to swing open the doors and climb out. It the engine backfires while be- ing cranked immediately step on the pins are Have You Studied This Marvelous Feature of the 1925 Cleveland Six? e © g One-Shot Lubrication System TAKE ten minutes to inspect the biggest convenience feature ever offered the motorist—the One-Shot Lubri- cation System. See how this patented Cleveland Six feature does gway with the grimy task of greasing and oiling the car by hand. The plunger projects through the floor board. Step on it. Instantly all 23 working chassis parts are lubricated. All squeaks and rattles are silenced. An hour’s job is done in two seconds. Thousands have marveled at its simplicity. You will marvel, too. Mileage Motor Then drive the car. Put the new Mileage Motor through its paces. Note its beautifal smoothness and silence at all speeds. See how it leaps from 5 to 25 m. p. h. in less than 7 seconds; flho-éhl-fiahsmhlu—dfl-rhm&,m) Touring Car s].095 F. O. B. Cleveland hqw easily and swiftly it masters the hills; how, even at 60 miles an hour, there is no labor or clatter. Balloon Tires Drive over cobblestones and rutted roads at any speed. Revel in the riding comfort of balanced weight, supple springs —and the genuine super-size balloon tires with which all models come equipped at no additional charge. 4-Wheel Brakes Simple, effective, efficient front-wheel brakes can be had at a slight extra charge. M.ll‘(e a pgint of seeing 1925 Cleveland Six! Make a point of driving this truly marvelous six yourself! Twice around the block will show you why this new type of low-priced car is already sweeping the nation. 5-Passenger Sedan 31395 - WARRINGTON MOTOR CAR CO. Established 1912 1800 14th Street NW. c Branch—Richmond, Va., 1804 W. Broad Street CLEVELAND AUTOMOBILRE OMPANY CLEVELA/ND LEVELAND SiX 1924 —PART ANSEAAT R TAKING PICTURES THAT ARE CALCULATED TO AROUSE THE MOST ENVY— starter and crank again. A backfire through the carburetor means flame in the intake and possibility of fire. Cranking again serves to suck the flame and the burning gas back into the cylinders, where they can do no harm. — The figgres show that nearly 40 per cent of all the automobiles in Canada are owned by farmers. According to the Firestone News Service, business men and brokers own about 15 per cent, while the lowest figure of 3 per cent is attributed to contractors. EXHATUST GAS KILLS RATS. The United States Department of Agriculture’s suggestion to kill rats with the exhaust gas from the car ought to be a reminder to the motor- ist not to run the engine more than | a few minutes when entering and leaving the garage. The department claims that by running a piece of hose from the exhaust pipe to the rat hole the pests can be exterminated. Yet motorists will run their engines, even when the garage door is open, and wonder why they don't feel right the rest of the da: 600 Delegatés Are xpeted At Detroit Auto Convention Session to Be First Since N. M. A. and A. A. A. Consolidated—Many Motor- ing Prqblems Will Be Taken U p- Plans for holding what is expected to be in number of delegates, enthusi- asm and achievement the greatest meeting of motor car owners singe the inception of the automobile haye been completed, according to a bulle- tin issued here yesterday by the ne- tional headquarters of the new American Automobile Association. This meeting, of which so much s expected, will be the first convention of the old American Automobile Asso- ciation and National Motor As- sociation since consolidation of the two national bodies was effected and will mark the beginning of the twenty-third year of existence of the first-named organization, it is stated Expect 600 Delegates. July 7 and 8 have been named con- vention dates and the Hotel Statler, Detroit, the place. More than 600 delegates, representing local motor organizations situated in every sec- tion of the United States, will attend, it is reported. Not only will this ba the largest convention of its kind in the annals of organized motordom, it fs said, but it will formally mark the end of the bitter warfare that has long existed among some of the country's great automobile clubs, many of which, already powerful and influential in their respective communities, will be even more so with the added strength of nation-wide organization Into this meeting will come, it is pointed out, the mammoth Ohio State Automobile Association. bringing with it the splendid Cleveland and Cincinnati clubs, now in accord after years of antagonism. Also Louisville and Detroit club representatives to shake hands across the table and to work together for the betterment of local and national motoring. Too, Indianapolis and St. Lou! which have been at outs for man: moons, will again meet in friendship, while ' Chicago and Baltimore will laugh as they figuratively bury the proverbial hatchet. Come From Both Coasts. From the Golden Gate will come representatives of the California State Automobile Association to meet on common ground with delegates from the recently formed New Eng- land Motor Federation, representing a majority of the big clubs of a matchless touring region. Also there will come into one na- tional convention for the first time in more than fourteen years, it is em- phasized, a solid, harmonious dele- gation representing eighty-eight clubs of New York, which have been split up and figh g each other in the Empire State almost since the beginning of motor associations. This happy condition is made pos- sible, the bulletin points out, through the recent consolidation of the New York State Automobile Association and the New York Motor Federation Inspired by the example set when the American Automobile Association and Natlonal Motor Association de- cided to recognize the folly of fighting and consolidate, it is said, leaders of the Empire State clubs let their wic- dom rule and brought about a result that will benefit not only the huzr army of motorists who reside in New York, but also the countless proces sion "of tourists who pass throus! that state. And so motor organization men and women—for the fair sex is now participating largely in auto club af- fairs—will troop into Detroit from all points of the compass to join hands and to resolve and to act in unison for the betterment of motor- ing conditions for more than fifteen million owners and operators of motor cars. There will be delegates from Port- land, Ore. and from Portland, Me.; from staid old Philadelphia, from ro- mantic New Orleans and from far away Honolulu. They will travel, ir fact, from every community in the land of Uncle Sam where the language of motordom is spoken to be present in Detroit when President Thomas I Henry calls the convention to order So far as the business of the con- vention is concerned, there will be the election of officers of the new organization, the officia’ abandon- ment of obsolete policies and the adoption of new and mere progres- sive ones. Many Problems Tp. There will be a thorough thrash- ing out of such matters as roads building and roads legislation, uni- form traffic laws, emergency road aid for members wherever they may be. improved system of map making and highway charting, trafic regulation. parking, taxation, gasoline prices ana all the other subjects so close to the heart of the man who wants to get the greatest comfort and service out of his motor car at a minimum of expense. It is expected that at this meeting plans will be laid for the formatior of a motor truck division of the A A A, since the growth of com- mercial transportation and its at tendant problems must be met and solved in a manner just to all those who pay for and use the natio highway. OWL VENTILATORS Wholesale and Retail We Install These Also RADIATORS. FENDERS. BODIES, LAM MADE OR BEPAIRED, Entrance at 1821 P N.W. Frank. 873 WORXS WITTSTATTS R. AND ¥. 319 13th N.W. NEW PAIGE Frask. 6410 Paige Performance, Comfort, Style BALLOON TIRES Optional at Slight Extra Cost Foe Standard modals (4 tires tional. For De Luxe $95.00. Disc Sedsn 2175 7-Pase. Suburben Limousine 2895 . Prices at Detroit. Tax extra . RIVE this smart New Paige Phaeton. The smooth performance of the big 70 h. p. Paige motor will amaze you! Throttle down to2miles an hourin high. Or pass any car on road or hill. And so easy to drive with ball-bearing steering spin- dles; easy, quiet gear shifting; ‘gentle Paige clutch. Com- fortable on the road with 131- inch wheelbase, rear springs $75.00 addi. ness! more than 5 feet long, snubs bers front and rear, roomi- Try to match New Paige performance, comfort, ap- pearance.Compareitinthese points with otherhighquality cars. Then compare prices. The New Paige Phaeton at$1795, with all its improve- ments is an even finer car than last year’s $2450 Paige! Comeinandseeit. (s34 WASHINGTON-VIRGINIA MOTORS, Inc., 16th and You Streets Frys Motor Ce. 015 14tk Bt. N.W. Rhods Liand Ave. Gurage %0 B.'T. Ave. NE. Deal Fairfax Bervice Station Alexandris, Va. Ricketts .'hr.-r Frasier Motor, Co. 10th 8t N.E. . — — " ——————¥——/——"33