WHY COILS?

Popular Mechanics (South Africa) - - DRIVING -

With coil springs and a multi-link rear, it’s a win-win, says Nis­san’s Kudo. Well, mostly. 1. Im­proved com­fort, through lower fric­tion. “Fric­tion is some­thing that chas­sis en­gi­neers con­stantly try to de­crease. It’s an on­go­ing fight.” 2. Bet­ter han­dling and ve­hi­cle sta­bil­ity. “Usu­ally ride com­fort and han­dling are trade­offs. Here, you get both.” 3. Op­ti­mised per­for­mance of spring, sta­biliser and damper. “This helps us achieve 1 and 2. That’s be­cause the multi-link com­po­nents fo­cus on their own spe­cific func­tions. With leaf sus­pen­sion, you have to com­bine th­ese many func­tions. It is very dif­fi­cult to op­ti­mise one area of per­for­mance.” 4. Lower weight. “Weight re­duc­tion is key and con­trib­utes to bet­ter per­for­mance and fuel con­sump­tion.”

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