Anybody playing with regenerative shocks?

[zerodish]

These should be easy to make since those shake up flashlights use this technology. I'm not expecting high efficiency or even control just proofe of concept.

 

[amberwolf]

Like these?

Collecting the kinetic energy dissipated through suspension

"We're collecting the kinetic energy dissipated through suspension travel to power onboard electronics such as LED lighting and cellphone charging. By using a drawstring activated dynamo, similar to the pullstart on a lawnmower, a mechanical clutch engages the dynamo, which in turn charges a set...

endless-sphere.com

(there's some other threads but didn't find them in a quick poke)