I have posted one before Bob, along with a disassembled blade and a picture of blades of different types. I will eventually post the full drawings as well. I have no interest in commercialization of these at all and never did really, just an interest to get them out there and to recoup the initial investment.

I hate to take up more storage space on APUG, but if you cannot find a satisfactory example, let me know and I will repost the (digital) photo again.