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Show 7 t TIIE SALT LAKE TRIBUNE, SUNDAY MORNING, APRIL 8 THUD The Automobile Simplified TIDES By FBEDEBIC1C AUTO 1X5 SON NO. 152. Th Xiac dutch. whicn Tho number of irtAke of kiuh and or equipped with th con clutch dio tho number equipped with tho ir about otpuU. tho two making about I p 0 par cant of tho roakaa of corn on tut on mark!. A con rlutt h will bo round and aiao on of our highoot priced Careaam Series on turn of th rtrd, Ho bring truo of th dlac tluUh. ThuU th the question, often linked, aa la which to brftrr If difficult to innwff. andof enA the of opinion tirely A good rone clutch will gU Uttlo trou en.ho aamo being true of a dlac ciutih. Truck maker, kot many year ago bi. but If althar la foorly dewignod or built joyed very little nequaiiitanr relatively It will givo trouble, and much troubla. of 1h con m it h the chemistry af rubber. Thermoid Wt hav aeon tho lot ua now lak up tho daaigu of erolide compound tlree, themselves, were dutch; clutch. tbo diac Lika tha con clutch, tho dine clutch the reault of aeveral kondred sxperldefinite rompoeition menU before the wae determined upon. sbos of the Thie statement was made yesterday by J. E. Olaen, secretary of Browning Brothers of Ogden, distributor in thin 01-- . territory of tbo Thermoid tire. Mr. sen amid that today tbero are eally uo aerreta in the tire making industry. the difference he aaid, Tho fart In aolomolule tirce now on the market amount, to no more tlinn the variousr stand of quality which various Present Product Rult of 6( Long ful Experimenting. kwt tnttr n . i j j ! 1 C. GUEUBLICII, M. E-- whkh A U tho drum and B the ky. Wm can than notch tho utci In tho otfi ao aa to fit on th aid ctnumffrtnc 11 k and ba to alida hack and in !ha drum. Mgvira I aiiowa tbia nou bed C twirtf tha notch or kry-v- a ya die, , Ih act h ally the aamo thtix tun bo dona with tba driven member and driven dtwra (tlxiM allot hed to tba rear wtiwW by through tranemiimion, ate ). Thu fAHtaning a drum on tha abaft whUh gtra t kry-wav- a new Premier enjoys the of being the only American car that has an aluminum' motor; and it is also the only motor car that automatically shifts the gears by means of the Cutler-HammMagnetic Gear Shift. These two exclusive features, together with its general engineering farms, give it certain operative advan- maeu-laeture- adopt na their Id urn of what n tire should be, or what ila quality shall bs to sell t fixed price. in Mr. Oltti dMMribe4 in that led to the adoption of i t perimenta Thermoid he standard specified in tho It ' factory. There wore more thaa five hundred teste made in tho rhemistry ii laboratory at the plant before the rro-lido compound was developed to the tho do-point where it would satisfy mands of the eompsny. What was sought wae a tire that would withstand road wear, that would resist to the . greatest degree the effocU of oil and water, that would bold up under the oxidisation thnt goes on constantly when a tire is exposed to the air. In addition to these exacting demands, the company instructed its chemists to discover a compound that would give re-- , The silieney, toughness and tenacity. meaThermoid erolide compound tire sures up to all theee specification in a i; remarkable way. A test of tho tenacity of tho Ther- moid treed wss described by Mr. Olsen, A lie assert that anyone mny take a firm grip of this tire with a pair of pliers and then pull with all the strength ho has, in an effort to separate the tread We havefrom the seat of the tire. tried this, and never have been able t If pull them apart, said Mr. Olsen. an owner does not wish to put his own tire te this test, wo invito him to corns into out storo in 0den and we will . make it on a stock tire. We havn no fear of the result. . Wo are particularly interested in selling an automobile owner hia first Thermoid erolide compound tire. After he hae one, we know he wjtl eome back to us for others. THE i 1 I er 1 - , 1 fMSlfcte Explanation, headlights of your rsr seem to b losing their catalog brightness, don't blame it on your hsttery. Tliat, msyhsp, isn't th trouble at all. Many owners report to us that the have had to drive their cars blind at night because some af tho alcohol they tho wooiieu put In th radiators was ofMotor Life. variety., U th f t 1 I r : to tit rar, with kea on tha outaida of I ita circumfartsnco ua uhown In Fuc and 4, In which 1 la th ahaft, K tha drom and K the kaya, and thaw having a on tho diraaa hown internal in Hg. 4, In which It ora tha kvway. aa dettfnd if m aambla our no far, wo will gat whal la abown In big. S lirra ou will nolle that th diww (2) will revolve with th flywheel. nd hU and tho d!-(4 with tho driven drwn E. w but ao hart Thla la all right far, !," !! ! 25, 1020. for Its holding depends upon friction cons clutch the material In Cower. have th a very hlsh coefflolency o( friction or holding power, and I he surfaces are so shaped that there Is n Inclined plans or wsle sctlon. which will allow for a great pressure between the with a comparatively small surfaces, spring pressure. Tho clutch spring must not ho too powerful. as drivers of little strength must be aide to compresa It by pushing on the foot pedal, and they must be sole to hold It In tho compressed position for some time without becoming tired. Thus th designers of the disc clutch havs the problem of designing tho rlulih to giva a great holding power, with a havcomparatively weak spring, without ing tho wedgs action of ththo eons which spring. How will give a leverage lo can this problem I overcome? a mim- overcome he having can hy It surfaces. or. In other ber of friction all pressed words, a number of clutches,, Thus, the same spring together by surface will not hold enough while each will each hill, a Hteep to pull tha ear up hold some, and by having from two to will which aurfaces a clutch twenty-on- e hold sufficiently to pull the car up the steepest grads can be designed, using a comparatively weak spring. or Having Sodded to usto a number design a mulsurfaces, ct us proceed one set find that tiple disc clutch. W of tho diem will havo lo bo driven by the engine, while the other set will have to drive the rear wheels (through transmission, ole.), 0 let us fasten a todrum the lo th Inside of which ere keys, flywheel. This la shown In Flg. 1. In no way of compressing the discs togrth er. so let us put e flengc on the drum attached to th shaft l and elide aw other flange over the shaft on tho otner aide of the discs, so that we will get what I shown In Klg. S. Hero (ti la the one flange slid (Kt tho other. Our next step Is to supply some meth or pushing theee two od of pulling flanges J and K toward one another, so as to exert a pressure between the discs. a tages that can be understood only through the medium of a demonstration I which is yours, at your convenience. This, we know, must be done by spring, and so by putting a spring In the driven drum and then having a spider I Fig. I. in back of this spring, and then running lelt from this spider to the flange K. our purpose Will be accomplished. In Kig. 1 you will notice that tho drum 1 to spring tend, u push L the to the left. As lbs right, and spider to the the spider J, 1, pressed so left tt will also pull the pull on the bolts M. and flange K to the left. Thu the spring to .the the right and flange presses flange K to the left, in this way pressing the discs together. We now have the clutch so that th discs will be pressed together with such a force aa to make th flywheel and all th parts' of he clutch travel together aa though they were one piece. Our next problem If to arrange some means for disengaging the clutch, or for taking the discs. pressure of the spring from the This can he done as shown In th right of Fig. 7. Here the sleeve P Is attached to the flange K, so that when It la pulled to the right the flange also Is so pulled spring, thus against the action ofoff the the discs. The taking theis pressure a flange with furnished also P sleeve gainst which the thrust collar R caa be f Ml ALUMINUM WITH SIX MAGNETIC i : pressed bv the yoke 8. which joke Is bv the foot pedal. The action of the dutch will then be follows: When the fool pedal is up the spring will pull the flanges J and K together, so that tho preasuro on the discs will make them revolve as though When tle they were one solid piece pedal la depressed the spring pressure will be taken off th discs, and so only thoge discs keyed to th flywheel ofdrum th will revolve, the other portions clutch remaining stationary- disc clutch the cone elutch. Like tho must have a brake to stop It from spin, tho nlng when thrown out. By having strike a staflange Q of the sleeve Paction simcan tionary disc this braking T show th clutch ply be accomplished. brake. While some clutchs have the disc, all of steel only, most of them have Cn set of discs faced with some material, such as Raybestou, Thermoid or the like. Pise clutches might be said to com under two types dry plate and wet plate. The wet plate clutch rune In oil.Towhile th the dry plate clutch runs dry. the eye there Is little differenceIn between the propordifference being two. the tioning of the spring to th number of discs. operated ...WdceV j. i. d. i. high-fricti- T 1 EDUCATION Bill Pending in Congress Provides Rural District Pupils With Ride. Earning Power The most expensive item in operating a truck is interrupted service. ? HE whole appearance of the BlG-Slgives, unmistakably, The little red echoolheue on the hill, o romantically pictured In fiction, yet Instisadly inefficient as an educational If the tution, will b a thing of th past bill to be presented In Copgree to utilise United Btatse mail trucks for transport-In- g children to and from school fn the rural districts is passed. Tbe object of the hill Is to consolidate the educational facilities af the country districts, eliminating many of tho school-housand thereby concentrating education In given districts with better higher-pai- d teachers and Khoolhousee, This better education. consequently would be brought about. It Is argued by adherents of this bill, by bringing thof children to th arhoolhouse Instead the schoolliouna to the children. Already many of tho smaller doromunl-tje- s of t)e country have put Into actual private community jractice through the fundamental Id --a back af the Dill. Two examples in California ars tbs Cajon Union high school and the Anaheim Union high school, which were In a for tha use of resident towns. number of ne,r-b- y wae one-ton Federal A purchased for The ET Cajon school with a special bus passengers can be body. Th'rtv-on- e seated In It. The truck make, two trips a dsy, each eight mllea The Anaheim Unlea high school, whloh covers an even larger territory. Is oporat- -' with mu h t a fleet of several Federal , same body construction. sre using A number of the schools work on adaptable bodies, which daof other the day when contract during that part school with tholr not occupied trips and on Ssurdays. Other school lines are operated by farmers' cooperative truck com pan lee. which head! th transportation of the pupils at a fixed rate per pupil or per family. Regardless of th weather, the Intense heat er the biting cold, these trucks sre bringing a higher lyse of education to too verv doors dwellers. X an idea of the beauty and strength that have been put into h unlimited it, and the power it is ready to produce at well-nig- es A truck out of use not only stops earning it stops other operations. Delayed shipments, dissatisfied customers, cancelled orders, mean serious leaks in profits. White Trucks have the highest operating efficiency known. They stand up and keep going indefinitely, year in and year out. When you want them they are ready. Their steady volume of performance insures high earning power the most work for the least money. command. P. detachable-1- : ? ad motor; intermediate wheelbate providing tranimusion; 126-inc- h ample room for seven adults. 60-- a All Stodebaliey cars are .quipped with Cord Tiros uotW Stadebaker rcedl if This is a Studebahcr Year" rom-fortsb- ly yv r-- v we r y WLJlilfLi L.JALRLdLJ "UT QGC.3PZCj7 36 So. West Temple, Salt Lake City Distributors for Utah ? T. W. & L. O. NAYLOR COMPANY - 116-11- 8 South State EL, Salt Lake City, Utah. Idaho Falls, Idaho. O |
