It's seems we have the optimal solution: a heavy duty manual tool made with very strong metal, ultra-simple design.The tool has a fair amount of heft to it, which reduces the amount of physical force needed to slice into the soil. The planting speed is relatively fast. It is easy to use. The tube and the digging head are really tough. The funnel is soldered below the equilibrium point to leave a handle for a hand that will more easily support the tool while the other hand drive's it. To date it look like the perfect Food Forests
planting tool. Planting big Food Forests is a good way to sequester CO2.
We will have 4 new industrial class prototypes manufactured for April 15 2012 at 200$ each
New funnel improvement : http://ogfor.com/viewtopic.php?f=107&t=845#p883
If you know someone interested in buying small or large quantities it could bring the price down for the May 2012 production.
See Kota's esperience at: http://ogfor.com/viewtopic.php?f=107&t=809