Hi all, If any of you are looking for some light reading over the summer, you might consider my blog at http://filsalustri.wordpress.com. Many posts are about design, at least peripherally. Cheers. Fil -- Filippo A. Salustri, Ph.D., P.Eng. Mechanical and Industrial Engineering Ryerson University 350 Victoria St, Toronto, ON M5B 2K3, Canada Tel: 416/979-5000 ext 7749 Fax: 416/979-5265 Email: [log in to unmask] http://deseng.ryerson.ca/~fil/