I had to laugh. As I type this, I am on my third rebuild of the current version. The first one (on the first airplane) worked great. I had camera stability to about 75% of maximum zoom. It would tilt to about 20° above level to down about 45°. Pan was close to 180°
This time I tried using Nylaflo tubing and hydraulic cylinders to control the camera pan and tilt. not enough stability with low pressure fluid. I then ran cable through the Nulaflo and not much better. Right now it is all apart and I found that the ball bearing races I was using all have a little play in them and I get some pretty significant camera shake from engine vibration. I am going back to Delrin sleeve bearings and will know in a week or so if they will work. It has been high expectations followed by disappointment. The hydraulic idea was prompted by a desire to move the camera around on the airplane. Straight line runs of control cables eliminates that possibility. But then an idea popped into my head. We'll see about that one.
Produce for public? I seriously doubt it. Way too complex and would be way too expensive. I sort of understand why the ones on the News helicopters are in the half million $$ range. I have tried almost everything at least once and would be happy to tell what i know if anyone would like to try one themselves. The first one was made of aluminum riveted together. This one is welded 4130. A lathe is a must in either case, though.
As I reassemble this one, I will take some pictures and post them for curiosities sake.
I know we are not supposed to post links to commercial sites, but maybe I can be forgiven for dropping a link to some videos I took with the first system. The last of the Oshkosh videos was edited and posted the day before I destroyed the airplane in the emergency landing - ten minutes into a flight to the Factory Fly-in (2007).
http://highwingllc.com/videoarchive.html