What is Critical Damping of Shock Absorbers?

guest post by Brian Hanchey, Hanchey Vehicle Technology © 2012 HVT USA Introduction This write up shows how an adjustable shock can achieve 0.5 to 1.2+ critical damping ratios with a turn of a rebound knob. The other day I was experimenting with the Evo’s spring rates and setups. While I had the fronts off, [...]