Yes I did go through those.
http://www.turnpoint.net/wireless/an...ypringles.html
This was a nice quick guide to a pringles-yagi, but I'm building one a tad bit larger and I'm not sure how the dimensions would scale.
I've obtained most of my ideas and plans from:
http://www.netscum.com/%7Eclapp/wireless.html
but I am still confused. Also he focuses more on his 18" yagi. Unfortunately the small pipe he uses is harder to come by for me.
Thanks,
Jason