John,
I thought I posted this last night, but apparently it didn't go through. I thought it was taking a long time....oh well.
Anyhow, our digital camera was broken (dropped) about 3-4 months ago and we haven't replaced it yet, so I cannot take any pictures or I would.
As for process, I bought the cutting edge, and shanks(with removable teeth) from B&H. The shanks are FFC brand that I bought. B&H does carry some other types, so there are differences to be aware of.
Anyhow, I measured what I had them provide the cutting edge to the length I needed and then took everything to a friends who has the welding equipment.
We clamped the cutting edge on the bucket and determined the best setback location for the shanks(they have a stepped profile). We split up the distances for evenness and welded them in place. Added angle iron to the sides for bolting to the bucket. We slotted the holes in the angle iron to allow the bar to align easier to the holes we drilled in the bucket.
One note (and if your a welder you probably already know) the cutting edge did warp during the welding, so you need to build it before you put the holes into the bucket for fit.
I have only used mine for one job so far......that was diggin up my septic in the fall. Lets just say that my soil is pretty rocky (mostly baseball sized rocks) and in the past it took me several hours to dig up using my rototiller and a shovel /forums/images/graemlins/frown.gif This time though, it was about twenty minutes and I only had to skim off the last part on the tank with the shovel.
Heck I even used the bucket to uncover the incoming line up to the point where I was down to the top of it (replacing this old cast iron line was the reason I was diggin it up)
Bottom Line: Toothbar digging RULES!!!!!!!
You can also look at a post in the past by CHIM who was the one who posted about B&H when he built his. I ended up with different shanks than he, but I owe the credit to him for source and inspiration /forums/images/graemlins/grin.gif
Good luck,