A:AnswerIt should im using 32 inch LG TV and there are a myriad of possible positions to configure for your tv, just make sure it's got the mounting screw points in the back of your tv and you should be fine.
A:Answerthere are no knobs, it will lock but you would manually have to tighten the pivot joints, I put a nylon strap with anchor points to keep mine from moving when traveling.
A:AnswerNo, just comes with enough hardware to mount once. I suggest going to the local hardware store once you get the mount and purchase the drywall anchors if you want to mount it again.
A:AnswerIt can only be mounted on a flat surface, however because of the swiveling capabilities you can pick one side of the corner, mount it to that, and adjust it so the screen is facing directly away from the corner.
A:AnswerWhile you can do that it will not hold up in the long run no matter what you are doing with larger TV's, sheetrock simply will not support the weight. That is why the arm is so great, install on the stud to the right and use the movement mechanism to place the center where you want
