Show v SUPER CHARGER BENEFITS SEEN Lighter Valves V May Be Used Develop More Power C W Iseler a prominent re- re research research re research search engineer has the follow follow- followIng following ing Ins to say In regard to the tho fu- fu future future fu future ture of super-chargers super Steady progress has been ma made In the application of ot super superchargers ers era of various designs to racing I cars and undoubtedly It t will wll not be long until devices of ot thIs kind are arc adopted as standard equIpment on passenger automo automo- automobiles biles automobiles Advantages Ad gained by the use of the tho super charger are Increase In PO power er mechanical efficiency flexibility fuel economy and speed Furthermore Furt it is possible andI I to build the engine with a II com cow ratio that Is lower than the highest possible p ratio that can be used without detonation and yet obtain a surplus of pow pow- power pow pow- power power er Owing to the Increased quan- quan quantity quan quantity of ot mixture per charge It ItIs Itis ItIs Is possible to open the exhaust valves later thus utilizing more fully the amount of work avail avail- available available available able during the expansion stroke In the supercharged engine the mixture cylinder Is 19 forced Into the cyl- cyl cyl inder Irrespective e of ot tho the rate of ot valve val opening hence t tie the lift of the valve may b ba be more gradual Moreover er smaller valves alves that are lighter and less leas likely to over over- overheat overheat over overheat heat than the larger ones can be used As a consequence the total weight of the valve mechanIsm mechanism ism can be bo reduced and lighter valve springs used thereby de- de decreasing de decreasing creasing the wear of the parts as well as the noise of opera opera- operation operation tion Ari An An engine of at smaller piston dIsplacement can be bo used as the super charger Is the means of providing the excess power need need- needed needed needed ed for tor acceleration and hill hll climb climb- climb in ling fag |