Actually, I am somewhat embarassed by all of the press this picture and article is getting.
But just to comment on the DRDT-2, the one in this picture is mine and I took it with me to the Alexander center. Their philosophy is, "We have all of the tools, but if you want to bring yours to get accustomed to them, bring em on." Having it in the picture is just a coincidence but that doesn't deminish the usefullness of this tool.
Jacob graciously found a couple of clamps and clamped my DRDT-2 down on a spare table. I used it quite extensively on airframe parts but not much on the skins. The center has a DRDT-1 with a very nice and large surrounding table that worked great for the skins. I am sure the 2 will work just as nicely on the skins once I get it bolted down and a table built around it.
The DRDT is (are) definitely nicely made. They are very heavy duty and work smoothly. Mike and Jacob played with my 2 while I was at the center and they both think it is a nice tool as well. After using it, I can't imagine standing around smashing a C-Frame with a hammer all afternoon. The 2 is very smooth, accurate, and quiet.
My only niggle is that I would prefer a little more spring tension to facilate a more positive return of the handle away from the skin. The set-up, as I received it, has just enough spring tension to hold the handle in a static position. There isn't enough tension to raise the handle and the die away from the skin. It works fine as is, but it does require a positive force to raise the handle. I will tighten the springs just a little to give them a little more umph.
Overall a great product that I am happy I purchased. It will get a lot of use on my SB project.
Now enough with the picture already, OK!