I just watched this again, very cool.
Yep, that is cool.
Maybe I need to get out more <img src="/forum/images/smilies/968/laugh.gif" class="smilie" alt="" />
It's amazing that anything moving that fast holds together at all. The automobile engine really is a marvel of engineering.
what astonishes me is the number of recoil cycles on the springs - they just keep dancing long after the valve has closed
Yup, it's amazing that these little suckers seem to never rest.