Mattias Engstrvm wrote: > > Berg, Russ: SAS wrote: > > > foot diameter, I am thinking using photo-transistors, I wouldn't need to > > have a longer detection range than say 2 feet, anyway if someone has a web > > page or knows of where I could find some good information I'd appreciate it. > > I'd also like to share some of this information if you get any > response. > > Regards, Mattias Engstrvm Hi are you going with an agressive or defensive posture and if you're willing to divulge any other details (I understand you're in competition) I for one would be interested? Earlier articles I chanced upon fueled many daydreams.I particullarly liked the inverted dish that sucked itself to the floor :) Tony M.