Leon wrote:

"HMFIC-1369" wrote in message
news:fiaze.6523$Gv3.3103@trnddc02...
If your looking for education.... contact the plywoods manufacturer....
They
are the only ones who can supply you with specifications.. no guess work!

Actually you can cut the piece of plywood to the size that you are going to
use, place the TV that you are going to use on top of the plywood elevated
on the ends, and measure the deflection.

But that won't tell what the deflection will be down the road 10
years...