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'"HE AUTOISTS LEARNING VALUE OF SERVICE Repair Parts Sales Fall Ofi1 Because of Owners’ Pre- ventive Measures. Greater attention resulting in fewer parts of automobiles, statement issued by the service mittee of the Washington Auton Trade Assoclation. More effec operation between car c 1utomobile dealers giv the chief reason for this impr rent The dealers state that Washington motorists are buying fewer parts for their cars because they mand- ng and getting better service. This advancement is hailed with much satisfaction t dealer motorists, who formerl were suh jected to annoyvance and expense by having to replace a great many parts in their cars. The W. A. T. statement points out that this mea that automobile owners are obtaining more efficient use from their cars and are, therefore satisfied with them than when the machines were developing trouble constantly Costs More, But Worth It. “While it is true that Washington motorists are spending more money for service during the first year o ownership, they are spar them- selves excessive service work as their cars grow older “On an average, th, less service work now mer years on each replacements o “Even if service given now sented an increase during a of years, the idea of having preven- tive repairs made is one that e perience shows is more than stinting on service and buying parts. This is very well illust matter of installing new to replacements of ind ners by more actual in_for- fewer re is than car and parts repre- It frequently happens that new | will not’ balance thus developing a slap. “First-year service is being greatly increased because car owners are appreclating the advantage of it as thelr cars grow older and recourse to the parts department is less fre- quent. Replacement of parts made during constant service Iy is in the nature of putting in small and inexpensive parts. By so doing re- placement of the more expensive parts which would wear out from lack of proper service is prevented and considerable expense is saved.” “GEAR RATIO” MEANING. Can Be Calculated by Simple Mathematical Formula. properly By the term “gear ratio” is meant the number of revolutions a driven gear makes in relation to its dri It the driving gear turns twi each turn of the driven gear, ratio s 2 to 1. The size of the ge: is immater it is the relation be- the .| not the res Take the Long Island highways on | * the dealers declare. | period | economical | natter of judgment you can lay he has just bought a new -eight. is a a straight Back to Bigger Cars. | What determines the prevailing « | styles in auto body models and seat | ing_capacity? This is becoming one of the inter- esting questions of the day because it has been observed in some of the larger cities that the seven-passenger | car is coming into vogue again. A small car is so much chummier, | motorists feel. Besides there is mora {and more of a tendency for each | member of the family to have a car | of his or her own. Yet New York go, Los Angeles and other t re showing many closed and open models with room for at {five, and seven when necessary. | ‘What is the reason? The motorist can only suspect that styles are forced him and that they are of his personal choice. cities upon holiday, for instance s that about all scenery of the ad. The days when | friends each take thelr own car | therefore, seem to be passing in favor of the more sensible plan of golng in the larger car. Friends are clubbing together as they did in the old days when only one family out of a number could afford a car. Once it was a matter of finances. Sunday |ohE one | machine or S0 numerov sees i= the res v | Now it is a matter of space limita- | tions. € | taking road tr ing in the larger car means t least one car off the crowded When a number of motorists this plan the results are somewhat prising. Of course, it applies as yet only to the crowded cities on those days when congestion extends out to the open highway, but it fllustrates the in- fluence of the times and conditions over the design of the automobile. 1f the “one-man” auto materializes many | foresee that it will have to be a midget. otherwise conditions will force motordom to accept the 12-pussenger car as a week end necessity Good Advice for All. Posted on the bulletin board of a large repair shop were the. followl instructions to mechanics. They are, however, not exclusively for the guid- ance of the shop’s employe: “When cleaning two-part plugs the sections must be t and cleaned sep ately. When adjusting rear brakes on balloon-tired cars see that the tire pressures are equal “After a semi-rebuild motor job see that the acceleratordpens the throttle all the way. Many Comforts Available. One of the most surprising things |in motordom is to hear a car owner deliver an oration on the subject of | “things needed for the comfort of the |car and its owner.” “We should have this,” says the motorist, “or that Why don’t the automobile peo spark taken THE SUNDAY MOTORIST An Abridged Magazine for Car Owners EDITED BY WILLIAM ULLMAN When your friend tells you speed | least | balloon tires consuming more rubber . |than former types, and with America | making little headway in the matter | of producing its own rubber, it is logl- |cal to expect considerable concentra- | tion upon” the reclaiming of discarded !rubber, including tires and tubes While the Rubber Association o America does not view reclaiming as anything approximating a solution to the problem, nevertheless there is bound to be a lively demand for old | tires, and to a foint where motorists will not only have a car to trade in, but old tires as well. The tendency probably will be for motorists to endeavor to obtain maxi- mum use out of their tires, knowing they will be able to get a fair price for the old rubber tires and tubes even »ugh_they have worn them thread- re. Who knows but what the situa- n will encourage some true economy in tive use? Did You K;low'— That half the failure in lubricating rusty parts, such as springs, is due to overlooking the importance of using | & lubricant that will cut the rust as it greas That glass can be as thick as plate glass and look like it without being | plate glass? 1t there is any crystal glass in the construction of the car {you are considering, and you are led | to believe it is plate glass, simply look through it carefully at various angles and under different lighting conditions. You will find that it waves and that objects seen through it are consid- erably distorted at times. That the fluid of a hydraulic brake | system is not under pressure when the brake pedal 1s released? No pressure can be built up in the system by pump- ing the plunger in the reserve tank. This action is merely to fill the lines. Since pressure is built up only as the brakes are used, and then only for comparatively short periods, the prob- lem of providing against leakage is not so important as many car owners may imagine. Worth Thinking About. George M. Graham, chairman of the traffic planning and safety commit- tee of the National Automobile Cham- ber of Commerce, speaking to Ameri- can car owners at a recent conven- tion of the A. A. A., made a few per- tinent statements that are worth passing along. Here are a few of them: “We now have six times as many motorists as we had total population when we attained our national inde- pendence a century and a half ago. “We used to think it necessary that | to become a competent operator of a stationary engine a man should undergo four years' training. “Until we drive home to the motor- ist that the pedestrian has his rights, and to the pedestrian that the motor- ist has his rights, we shall not have | made safety education suffciently specific to accorhplish its real result.” Referring to the new school of thought which recommends fast driv- |ing in accordance with common- sense and road conditions, Mr. Gra- SUNDAY STAR, WASHINGTON, 18 MANUFACTURERS SELL 95 PCT. OF CARS Final Shaking Down of Motor In- dustry Seen in Fall in Num- ber of Makes, Seventy automobile makers in the fleld, with 18 of them doing 96 per cent of the business, marks the final phase of the shaking down of the motor industry, according to the monthly business bulletin of La Salle Extension University. * “Price cuts of 10 to 20 per cent, with many improvements added to make cars more attractive in addition to the lowered prices, are the latest features of the operation of the bio- logical law of the survival of the fit- test,” the bulletin states. “Bonanza rush of the automobile Industry a score of years ago saw 3% makers in the race for fortuna. Jn 1920 77 makers remained. In 1924 there were 74, with 56 of them fight- ing for 4 per cent of the busigess. “The 18 principal makers, fiowever, have turned out during the first half of this year the largest production of automobiles ever recorded. Exports for the year arc 30 per cent more than fast as 90 miles an hour in second gear. 3. Aside from flexibllity, the out- standing advantage of a four-ply, thin wall, balloon tire is that it con- veys the heat to the air quicker and thus dissipates it to better advantage. It may flex as many as 500,000 times in the course of a hundred-mile drive 4. Test for a loose flywheel by switching on the engine a second or | two after switching it the fiywheel will thump 5. Barring preignition and motor timing, carbon will knock in one en- gine more readily than in another be- cause the combustion chamber is emaller and compression is higher, the carbon reducing the chamber and raising the compression too high. off. If loose, D. C, SEPTEMBER 6, 1925—PART 3. THE OLD MECHANIC SAYS You'll be surprised when I tell you something about what I call | damage,” but it's time I teld you. In the wrong place, in too great a quantity or at the wrong time grease or oil can be a source of trouble. Maybe you know it. Anyway, the proof I'm goin’ to give you may open your eyes. I just fixed up a rear end of a car where the ring gear got chewed up because the broken parts of a bearing got into the teeth. The trouble was caused originally because of lack of grease in the differential case, but when the owner started to hear too much grindin' in the rear end he brought the trouble to a climax at the wrong time just by havin’ the case filled with grease. The lubricant floated the loose bits of broken metal from the bearin’ and led them to the teeth of the ring gear. There is a lot of new ofl damage in connection with four-wheel brakes. You know how most people grease the front-wheel bearings? Fill the hub caps with grease and then screw them on? Well, when doing the job that way you never really know whether you've got enough grease into the bearings until it starts to spurt out on the inside of the wheel. “With no brakes on the front wheels there's no harm in this, but just have that excess grease to get on the brake bands and you'll have a good case of oil damage. I knew of an owner who used such heavy grease in the transmis- sion that the shifter forks, which are up top, never had a chance to be properly greased. For another thing, a lot of the trouble with spring bolts is the result of usin’ too heavy grease. The leads get clogged and the bolts might as well be bone dry. It's ubout as easy to damage a car with wrong kind of lubrication in the wrong place as it is to damage the car with no lubrication at all. value and parts. 21 $50,000,000 BURDEN Automobile Commerce Chamber Official Recommends Abolition of Federal Enactment. 000. These special motor products emergency were Abolition of the Federal motor ex- cise tax would lift an annual burden | e e cavE 5 : 7 | mental authorities as inequitable. of $50,000,000 from America’s farms, | [iCEI4 BYCTETER B CT according to H. H. Rice, chairman of | be removed at the taxation committee of the Na-|Congress.” tional Automobile Chamber of Com- merce. “This tax,” sald Mr. Rice, “Is not placed upon the farming group alone, but for those living in the rural re glons it is unescapable. The man in |the business of agrciulture doesn't bave the option of taking the railr traln or the subway instead of the au tomobile. He must use his motor vehicle in order to reach these main lines of communica The 1 the next session Tools on Running Board. ning bo; m to rattle to the road | not using them. tails no regretting ic MOTOR EXCISE TAX | venicle is the transportation line be | tween the farm and the town. When the farmer buys a truck he must pay | & tax or & per cent on the wholesale 2 per cent on any repair “Abolitlon of these tolls would give fmmediate tax relief on rural transpor- tation to the extent of about $50,000,- Federal fees on levied as an measure during the war. Most of the other items taxed in this way at that time have had relief. This | form of legislation against one class jot products is un-American in policy and has been recognized by govern- taxes will It is unwise to put tools on the run- rd, und then drive off, allow- Place 16 tools on the floor of the car when Forgetting then en HIGHWAY OFFICIALS WANT BETTER ROADS Would Minimize Probability of ’ Accidents by Improving Trafic | Conditions in States. | State highway officlals are attempt- | ing to aid in the solution of the tra problem by developing road conditions which will minimize the probability of accidents Frank T. Sheets, chief h gineer of Illinois, working line, has outlined a course of | struction, which, in his opinion | bring about increased safety on highways. i Mr. Sheets recommends the building | of roads of standard widths, with long radius curves, both horizontal and vertical; providing long sizht distances and avolding “blind" corners at cross roads and side roads, eliminating rail road grade crossings; reducing grades to 6 per cent or less; building roadway |on bridges sufficientls de to | commodate at least two lines of traffic | proper system of warning signs: rea sonable regulations of speed on highways, lights on night, etc.; policing the ros efficient force of motor c WHEN TO PASS AHEAD. Advice to ;;c‘rlsta Who Desire Comfort in Driving. Comfort in driving is larg a mat- | of | ter of knowing wher d when to ex | pend energy. Some drivers take pre | cautions which are quite unnecessary while others get intc uble by not | taking the right precautions at t |right time. When about to overta another car it is fport to glan into the rear-view mirror to see whether any one behind is trying | pass. If several cars have passed from |the opposite direction, however, you |do not need to ance behind is | | obvious under these conditions no one could be swinging over to the oppo. site side of the road in an effort to overtake vou. g this will arking cle officers TUNNELS OR BRIDGES IN TRAFFIC SOLUTION Cfficial Considering Problems Confronted in Regula- Beltimore tions for Pedestrian Safety. BALTIMORT cial) —Tunnels ultimate s this in ity spector pedestri $9.00---SPECIAL---§9.00 DODGE BRAKES Relined with Genuine Thermoid BRAKE SPECIALISTS FREE TEST AND ADJUSTMENT Champlain Motor Service Co. Rear 1420 K St. N.W. Studel Pouser Durabili tween the number of teeth in the two gears which determines the ratio. On an automobile running in high gear the transmission ratio, which is the ratio between the number of revolu- tions of the crankshaft and the drive. shaft, is 1 to 1. On second or third gear the ratio is lower; the driveshaft will turn slower than the crankshaft The rear axle tio the ratio be tween the driv ft and the axle. To calculate the gear ra dlvide the' number of teeth in the dirtving gear into the number of teeth in the driven gear. To find the total | gear reduction between the crank shaft and the rear axle, multiply the transmission_gear ratio\by the r axle ratio. The same rules apply to chain-driven trucks, th mber of teeth on the sprocket bein; used. On worm-driven tru. the number | country by rail—conveniently. of “leads” or ‘“starts” on the worm| Your car can be jacked up without divided into the number of teeth on |effort on your part. the worm wheel gives the rear axle 5 ratio. The gear ratio of any car has an important bearing on both the| wpeed and power. A car with a 4-to-1 | tatio will have more power but less | speed than a car with 3-to-1 ratio, the same engine being used. and put on their thinking caps? the information of those who re perhaps tempted to follow this peculiar course of action be it known hat— There ham sald: “There is certainly more fast driv- ing than is wise. : No Spark Plug Rule. How often should spark plugs be | cleaned? Here is a question which |even the spark plug manufacturers |do not undertake to answer because no rule can be given. It depends, first of all, upon the type of engine. Secondly, upon the age of the engine. The make of the engine may also figure. The plugs are in different positions in different engines, being subjected to varying amounts of oil that works past the rings. Now You Have It! (Answers to last week’s questions.) 1. A loose piston slaps loudest when it is at upper dead center at the end of its compression stroke. This is when the firing of the gas mixture causes the piston to flop from 17 cents a pound on January 1|from one side of the cylinder to the of this year to 97 cents at this writing, | other. with demand exceeding supply, with 2. The modern racing cars run as ALLOTHER NEW PRICES PALE IN COMPARISON WITH THESE The more closely you examine recent price reductions, the more you will be convinced that the Hupmobile Eight, at its new prices, is far and away thebiggest thinginthemarket. The facts of the case will drive you to thisconclusion—the outstanding fact being that in the Hupmobile Eight the world is getting the utmost that motor manufacturing can give, to wit:— An absolutely flawless eight per- formance. At its original prices, the Hup- mobile Eight was the greatest valuein Americabecauseof this fact—because this superlative eight performancewastobehad is a very successful, fuily c, puncture-proof inner tube and in use on many as expensive as the you haven't heard of it.) There is a car on the market that {can run 0 miles with safety with- out changing the oil in the engine. There is engine lubricant using as much or oil as is practical for | motors. A one-sleeve, Kn ype motor already developed by one of the big gest engine builders in the country. Your car can be shipped across the p Actually 131% more business in August this year than last. When you see this latest Jewett at its new low price, you'll know why. Fine and able as the Jewett has always been, this improved Jewett is finer and abler. Famous for its unusual roominess and comfort, Jewett Coach is now larger — roomier — even more comfortable. Added length gives greater leg room and substantially better riding quality. Months ago Jewett took the stand that roominess was what the public wanted in a Coach. g Jewett met that need squarely by producing the country’s roomiest Coach. Sales that followed eclipsed all our previous records. In value —in quality—in roominess —in performance— Jewett Coach then excelled all Coaches. New Comfort! Even such excellence has now been improved. And what keen enthu- siasm has greeted this new idea in interior design. 131% increase in sales. That’s the proof! You relax the moment you enter this great car. No stiffness. Never a cramped position—even when five are riding. Plenty of leg room. Plenty of sitting room on the wide spring-packed seats. Yes, here’s true comfort and riding ease. Jewett has neglected nothing in thisimproved Coach. There’s bright Stretching the Trade-In. With crude rubber skyrocketing “Never a Car Like This— Never Such Value!” Never Such Performance! A surgeof able, efficient power such as you have never experienced. Si- lent as it is able. Because it's a Jewett. With all the vigor and snap that has made a famous name for a famous car. Always respected in traffic— master of the toughest hills—and a car to do its 300 miles a day on the open road without exertion. Any Jewett owner will tell you that. Jewett is built strong to travel. And you can depend on this kind of performance from a Jewett far years. No worry of upkeep cost. Facts prove that., Costs but little more than ordinary cars but offers much more in performance, com- fort, quality and long life. See Jewett Coach Today! In spite of all this added comfort and convenience, increased output enables us to make Jewett price lower. We want you to see this great car. Give it what you con- sider a real test—your hand on the wheel—your foot on the speed. new color—smart new upholstery You'll know why theimproved Jew- —durable and beautiful. ett more than doubled our sales. «ss) New lower prices on all improved Jewstt models as follows: Coach $1245, De Luxe Touring $1320, De Luxe Coach $1400, De Luze Roadater $1500, De Luxe Sedan $1680. Prices, 1. o. b. Detroit, tax extra. Paige-hydraulic 4-wheel brekes at slight extra cost ‘Wholesale and Retail Distributor { W.ASHINGTON-VIRGINIA MOTORS, Inc. o5 A0 16th and You Streets—Potomac 772 Paige-Jewett owners the value of our Wasson Motor Check, which (KPEORGE C. RICE OPEN EVERY EvmllNoGanN'fiL t I 1601 14th St. N.W. DEALERS ALEXANDRIA MOTOR COMPANY MOTOR SALES AND SERVICE CO. 117 N. Fairfax St., Alexandria, Va. ¢ 2015 14th ST. N.W. atafigure from one-half toone- third lower than anything comparable with it. Now, at these new prices, con- sidering what you get in riding and driving—and considering furthermore that you get econ- omies which no eight has ever before delivered—all other new prices pale into insignificance in comparison with the Hup- mobile Eight new prices. More entrance space than any Coach. Enter or leave rear without dis- turbing those in front There’s no use in wasting words —a half hour’s demonstration of the Hupmobile Eight along with anything that aspires to approximate it will prove that Hupmobile is telling the truth now, as it has always tried to tell the truth in its advertising. New Lower Prices—Hydraulic Four-wheel Brakes—Balloon Tires Delivered Equipped Including Spare Tire, Bumpers, etc, Washington, D. C. - Roadster - .- - . Sedan - - ... Now $1.985 Dickey Seat Roadster - - - N 085 Coupe (2 and 4 pass.) Now Touring Car - - - - Prices Delivered, Including Tax Many Important Improvements! A new air-cleaner adds years of service—in- sures clean air—clean oil—clean cylinders. Greater freedom from carbon, scored cylin- ders and worn bearings—increased motor life are the results. Light switch is now con- veniently at hand on the steering gear. In- direct lighting on the dasheliminates glare. Gear shift and emergency brake levers are moved forward to provide clear floor space in front— and many other improvementa. Always Making Them Finer - Now $I Sterrett & Fleming, Inc. Home of the Certified Gold Seal Used Cars Champlain St. at Kalerama Road Columbia 5050 HUPMOBILE EIGHT is part of our service equipment. FRAZIER MOTOR COMPAN 518 10th ST. N.E. WASH-WESTCOTT CO. 2114 14th ST.