I was hoping there exists a material like hard rubber used in bushings, but has the property to stiffen when exposed to vibration with high frequency.
So, my application is something like a small dampening suspension on a system with stiff wheels so in high speeds the dampening will get stiffer due to the higher frequency vibrations that occurs from the small wheel rolling on a surface like asphalt. So the system is soft in low speeds and stiffer in higher speeds. Do you guys know of any material or system with these properties?
Honestly, I was looking for something small and hopefully something not reliant on a power supply to change the ride characteristics of a skateboard/longboard truck depending on its speed. My theory is that if the bushing on the truck gets stiffer in higher speeds the ride is more stable and less prone to speed wobbles. ( Stiff bushings/dampener requires more weight to turn the board = less wobble in higher speeds)
I guess this is not that difficult to make using something mechanical with an electric speed sensor, but a better solution would be if such a material exists or if its possible to make a bushing molded in some material that stiffens when a small electrical current is applied.