| Show Rubber Will Eliminate Shocks In Auto Riding photo shows how bow an n engine e Is b bolted to w IU It chassis by means o ot of rubber mountings By Dy ISRAEL KLEIN Science Editor NEA Sen- Sen Service Rubber Rubbers is going to take the theNEA shocks and vibrations out of motoring It Is already being used for mount- mount mountIngs mountings Ings Ines of engines on some auto chassis and for mountings on springs It Is being tried out In steering whet wheel hubs as ns bushings at bearing surfaces and may eventually find Its place in ev every ev- ev every every ery point of contact on the automo automo- automobile automobile automobile bile where there might be any sus sus- suspicion suspicion of discomfort We still think of rubber In con con- connection connection with automobiles in terms of ot i tires But even here it has been improved Im Im- Improved Improved proved to to- such an extent that com corn comfort Sort fort In motoring has been greatly in In- In creased Balloon tires Ures have done one this Yet rubber engineers have gone much further Their aspirations are for lor the replacement of practically D all metal Joints with rubber And they have ha already begun their work of re re- re reI replacement 1 t placement I ENERGY E IS ABSORBED A I I The advantages advantage of rubber in gen sen- general eral oral are Its property of f elasticity its I Ir properly r f strength and especially its ability Y to absorb energy It is therefore an Ideal vibration damp n rb and shock hock absorber It needs no lubrication atio as metAl Joints do do and doesn't wear AS ns easily These advantages were discovered In along long series of ot experiments under under- undertaken undertaken taken by the United States Rubber company under the direction of Wal Wal- Walter Walter Walter ter C. C Keys chief engineer cf of the automotive development department As As' a result of these tests tats the com com- company company company pany has developed a spring mount- mount mountIng mounting Ing lug an engine block mounting and other mountings for the he heavier huvler puts parts pa of the automobile It Is going fur fur- further further further ther In the to development of rubber bushings especially for motors and t hM M In wheel wh l hubs providing non Insulation for lor forthe forthe the wheel MANY l ADVANTAGES Keys lists the following advantages i for lor rubber mountings mountings- 1 1 Lubrication Is unnecessary 2 Shackle wear and rattles are eliminated 3 Shackle adjustments are un un- un- un necessary 4 9 Life of or springs Is enhanced 5 Shimmy has been reduced liu I many cases 61 It Is less costly 7 7 It provides fewer ewer parts patU |