Show Practical r c i MR iR fR ROCHE 1 WAS wAL C lV lr FOR THE THE- THEU U U S 5 S OO lu NaT liE ISNOW ITH T THE E LI E v AUTO SHOP AT 21 SOUTH STATE ST 51 y The types of ot motors that wo we ar are arc mostly familiar with ar arc aro tho the vertical typo of motor where tho cylinders areo areso are nrc so o arranged in a row standing vertical over tho the crank shaft The motors with ono two three four bur and six cylinders are always alwa's set vertically over O the crank shaft excepting the rotary rotan typo which we will talk about later If wo we woma ma made e an eight-cylinder eight vertically It would take up too much room in the chassis and we would have to make the thc crank case or oil sump very cr small and amI that would mean moro more weight and it would have o to bo be m de strong enough to stand tho rough rouSh work to which an automobile is subjected every cry day Eights and can be made vertically vertically ver ver- for marine or stationery stationer work and I can assure you OU reader tho they will never novel build an eight or a twelve twel vcr vcr- crot ot 1 11 HU motor 1110 for lor a usa If it we wo should decide to build an eight or twelve cylinder clInder no now wo can arrange arrange ar ar- range ranso the clin cylinders Into rows of four or six and la lay them side sido by side We e cut tho the cam earn shaft crank shaft crank crankcase else in proportion case so and everything c than wo we have multiple cylinders small bore borc long bug stroke and light weight making tho the motor lighter moro more compact compact compact com com- pact moro more rigid and we 0 have ha motors motor built of ot another typo tho cylinders cUn ders ers aro are placed around a a. single cran crank cranle pin In tho samo namo manner as the tho spokes spoke of a wheel are placed around the tho hub We c call this a Tatar rotary or a radical type This type gives S1 a very cry short rigid rigi crank shaft Tho The crank caso case is als alsa also a a. very cry strong barrel t typo po o of case caso and not divided in the tho center We e also use uso ball bearings in this typo which have proven very ery satisfactory This typo of oC motor Is built both In th thair time the theaIr air and water cooled types type In the al all air cooled form it requires no fan or blower blow blow- er cr because tho the cylinders are arc so placed place that the air will reach them aa at the thc they revolve In this type of motor thero thieo Is a a. great Ireat tendency for the tho lower cylinder cUnder to become be become be- be come flooded with oil But this ha has hasI 11 I AAA b A U CU s DdLl lI lIVI VI Ii VY overcome I VII u y pumping pumping pump pump- pump ing all tho oil out of or tho case or oi oil sump and not allowing any oil in the tho or case caso This type of motor I doubt will over bo be used In automobiles due duo to the fact it Is a problem to stream lino line a rotary typo of or motor however this Is a high speed motor am and works vory very well In airplanes |