swinging motion instead of the up-down motion that was provided by the leaf spring
suspension system.
Intheearly20thcenturytheMorswastheonlycompanytoprovidetheshockabsorbersin
theirautomobile.Theshockabsorbershavinganadvantageoverothersuspensionsystemslead
aracernamedHenriFourniertowinacarracehavingaleadofabout 30 minutestothe
runner-up.Theseshockabsorbersareakindofcoilsprings.Theseabsorbersarepresentin
almost all the cars that we see in our day to day lives. Brush Runabout was the first
mass-produced vehicle that had shock absorbers.
Amidthe production ofcarsthathadshockabsorbersinthem,severalcarcompanieslike
Leyland Motors used torsion bars in their vehicles as a replacement for the prevailing
suspensionsystem.Thissystemconsistsofametalbarwhoseoneendisconnectedtothe
vehiclechassis,andtheotherendhasalever-likestructurethatisperpendiculartothemetal
barandisconnectedtotheaxle.Whenthecarmovesonaboughterraintheverticalmotionof
thewheelcausesthelevertomovewhosemovementisinturnresistedbythebarandthusthe
elasticity of the bar acts as a suspension systemfor the vehicle.
Duringthistimeacarcompanyalsoequippedtheircarwithanindependentfrontsuspension.
MalcolmSmithwasthepersonwhoinventedasuspensioncomponentnamedtheinerter.This