well, i posted a reply on this thread...........
http://cr4.globalspec.com/blogentry/1627#newcomments
but i don't know if anyone would see it because it doesn't show up as a recent reply......
AND, i just have to show off a little <grin>
well, today is "take your child to work day" and the engineering department here is ALWAYS the favorite place to visit........maybe because we are just big kids :)
anyway, this sounded like a fun experiment...........SO.........after a couple days of tinkering we made this setup...........and it REALLY works.....
this was not as easy as it looks............
we can vary the air pressure between 40-100 psi and nail the can every time.
http://s21.photobucket.com/albums/b299/mudbilly/gravity/?action=view¤t=DSC01562.jpg&slideshow=true&interval=3
video to come later