How did F1's Trick Dual Rate Suspension Work?

In previous years, many systems were run across the grid that allowed the rear ends of F1 cars to drop rapidly once they were on the straights. While they don't appear to be in use this season, it is certainly an interesting system to discuss. While there have been many complex theories thrown around about how it works, the reality is much more simple.

00:00 Introduction
00:54 Why do you want to drop the rear end?
03:40 Spring effects and objectives
06:00 Practical demonstration of a dual-rate system
10:08 Why aren't they used this year?

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Видео How did F1's Trick Dual Rate Suspension Work? канала KYLE.ENGINEERS