Show GEAR SEAR RATIO mm is v h SPEED FACTOR mm By the term gear Bear ratio Is meant the number of or revolutions a driven gear pear makes in relation to tIts Its driver It the dris log Ing gear geu turns turna twice to each turn of oC the driven gear the ratio Is 2 to 1 The site also or of o the gears Is immaterial lal ial It Is the relation between the number of ot teeth tee In the two gear gears grots which determines the ratio On Onan an automobile running in high gear the ratio which Is the tho ratio between beten bet cen the number or of revolutions revolution of the crankshaft and the Js Is 1 to 1 On second or third gear the ratio Is lower the will Hill turn slower than the cran crankshaft The rear axle ratio Is 15 the ratio be- be between between b tween the and th the rear X axle Ie To calculate the gear ger ratio divide dl the number ot or teeth In the driving gear Into the number of teeth In the driven gear To find the tho total gear reduction bet between een the crankshaft and the rear axle multiply the transmission gear Kear ratio by tb the rear axle ratio The same rules apply to chain chain y trucks the number of ot teeth on the sprockets being used On 01 worm driven trucks the number of leads leads or starts on the e norm orm divided Into th the number of teeth t on the worm wheel give gives the rear r axle ratio The gear ratio of cany any car has an Important bear bear- bearIn bearing beai ing In Inon on both hoth the speed and power powel A car with a 4 to 1 ratio r WIll hate hae ha e more power but less lees speed than a acar acar car with a a 3 S to I 1 ratio the same engine being u used used Automobile d Automobile |