The whole point of the answer that i posted was about having the 3 4 inch plywood large enough to be 1 larger than the tv bracket and 2 extend across at least two if not three studs 3 the plywood securely screwed into those studs with multiple strong screws at each stud and finally 4 mount the tv bracket to said plywood noting that with proper screws the plywood will be very good at.
Wall mount for 21 inch studds.
There simply isn t enough material for the threads to grab securely.
I have already purchase a tv mount designed for mounting a tv to a wall with 16 center stud placement however it turns out the studs are actually 24 apart.
For the 32 55 inch version you can mount a tv with wall studs that are up to 16 inches apart while the larger model fits studs that are up to 24 inches apart.
I was thinking of using a 1x6 pine board cut to about 25 in length and mount the tv mounting bracket to the board.
When you have metal studs mounting a tv or hanging a heavy picture on the wall becomes slightly more challenging.
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