30 Oct '17, 5am

2018 Citroen C4 Cactus receives hydraulic suspension

2018 Citroen C4 Cactus receives hydraulic suspension

Citroen has unveiled the new C4 Cactus, which packs a long list of revisions to make the hatchback an even more appealing proposition. The big-ticket item here is the brand’s Progressive Hydraulic Cushions (PHC) suspension, a setup that first made its debut on the C5 Aircross . The French carmakers claims a “magic carpet ride” effect with PHC, and the C4 Cactus is the first model in Europe to be fitted with it. Compared to conventional suspension systems that are comprised of a shock absorber, a spring and a mechanical stop, the PHC system adds two hydraulic stops on either side, one for compression, the other for decompression. Unlike a mechanical stop, which absorbs energy but returns a part of it, the hydraulic stop absorbs and dissipates this energy to prevent bouncing. When rolling over light bumps, the spring and shock absorber control vertical movements together wit...

Full article: https://paultan.org/2017/10/30/2018-citroen-c4-cactus-rec...

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