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The latest news is that we did not do a prototype of the t-slot/wedge design like I show above. We started to lay it out and we immediately saw some areas where the aluminum would be thin where it needed to be strong. This was the case even when going up to a 3.25 diameter from a 3.0. After...

OK, then i don't think increasing the bolt size is going to matter much to us since the applied load is governed by what the person can apply to the quick adjust handles or with an L-key allen wrench. The 3/8" bolts we are using now have been able to handle these loads. In fact, I was wanting...

We need more accurate leveling that what a lovejoy coupling would provide. Smaller cogs wouldn't work either because we are using aluminum.

By the way, I did the drawings above real quick. There was also a dowel pin the second design.

sreid, Do you have an example of a "jacking screw". Regarding your taper suggestion, one of our ideas was to try to incorporate a taper like you suggest. The idea was to bowl out one of the plates and make the other plate the reverse with a 1/16" gap between the two at the flat interface so it...

If I understand you correctly, you are suggesting to put the horizontal leveling out underneath the camera? If so, I don't think this would work because I need the two arms (each 1.5 feet long) to be able to rotate around the tree. Click the link below for a plan view of the rotation. The 2...

Barry, I uploaded the pictures to my server then used the [img] tag to show them. If you don't have a place to upload your picture, email it to me and I'll put it on my server then post it for you. Darren

Barry, Thanks for the reply. We actually tried clamping around the outside. We had a square 3x3inch block with a 2 inch diameter shaft in the middle. The edge of the 2 inch round was angled on the front and back (looked like a diamond). The problem with it was that when the bolts were...

Hello everyone. I am a civil engineer by education, however, I have a side business that manfactures amateur and professional camera mounts. My professional camera mount, called the Pro-Mount, is used by professional videographers to videotape from within trees (i.e., whitetail deer and bear...