Show fAIRLY COOL ENGINE I Knowing Ways Systems Function Is Often I Helpful I By y n R CLIFFORD CLIIFORD AW W Technical Director West Nest Side YM YI Y YM M I C A Automobile Schools N 0 Y The engine of ot an on automobile like Its 0 owner onner ner needs to keep keel fair fair- fairly fairly fairly ly cool In order to accomplish the lost best results JJ Every Esery ery once In II a awhile one can observe far a arar ar stand stand- standing standing ing by the tho roadside al het up Such a n machine usually Is standing Instead Of ot going on Its way And It Is usually steaming away like a factory thistle at noon time The rho use ofa of ot a thermometer would Indicate a II hl high h fever PRINCIPLES CLr 1 It Is goo good for or the owner C to understand the pips pies pIp of engine cooling end pud to know hy It is necessary for tor some cool cool- cooling cool ing system to be functioning prop prop- properly properly erly Etly in every Cry automobile aut 0 e The auto engine derives Its po power tr from heat A charge of gasoline mixed I Ith air o-lr Is taken with the tho r C cylinder 1 der r of ot the tho engine In n a a com comparatively th el cool state In the C cylinder ara It Il Is le compressed and Ignited As AsIt Asit AsIt It burns the tho temperature la lit great great- greatly greatly greatly ly Increased and the tho pressure In Inthe inthe Inthe the cylinder Increases In tion lion hon to the tho Increase In the tem tem- temperature temperature 1 In this way power power for tor driving the machine Is derived The rhe ex- ex ex excessive temperature which runs up to 0 about Fahrenheit however heats the working part parts of the en- en engine en engine gine namely pistons an and C sto s lIndo-s s ft to such a degree that unless some of the heat Is dissipated It would f a t Impossible to a film of oil between these worting vv parts rr Consequently they would bind or stick and the engine could not nol ran |