OCR Text |
Show j Weight Distribution is Jj Problem of Auto Design ian; problems met in an- V sn measure of attention on the part of J H I dent the difficulty of providing a I uprlnc that will give full rcidllenci nn- W 1 I intuition Promts a cnncwhat com-. I I J 1 1,., t thi mechanical equilib- 1 I I importance to the average automobile 1 ' ' m rm 1 III "one tJifaa little wear as la encoun-1 encoun-1 I t greater part of its weight in front, f the greater wear Is borne by the rear til it must be rmember d in this I connection that the propulsion of a motor ehlclc differs from that of the I hofse-draw n vehicle. In that the latter is pulled over the rad while the for- Ai r in pushed along by the tractive . fforts transmitted to the rear or drive wheels, in consequence of 'be driving . tresses, the rolling friction of the ' road, -t in) t lie slippage that Is absolute!) abso-lute!) unavoidable, the lire of the rear i boala encounter most of the j wear m which the automobile tires are rcgulai subjected. I As far as the weight of the car it-' m If la onperni d, r srardless of its distribution, dis-tribution, it is omnion experience that the lightest car products the smallest' tin bills. Th- fact In thai the life of i in.- it proportioned to the cube of the l'aI It supports, so that If the load, be doubled the average near and tear, on the lire will be multiplied by elgh'. There are other points worthy of al-tcnttOn al-tcnttOn in considering lire wear. ome el ihrin having in do with the manner' In which such units as power plant and transmission are supported In some count ructions road shocks arc more rrud'.lv absorbed b the framework frame-work and suspension means, which ii i mninodatc themselves more or leas' to the distortions to which the in-equalities in-equalities of the road surface give! rim |