Re: Flattening a big table top

I toyed around with the idea of building a torsion-box like structure
out of ordinary studs to support the top

Ordinary studs are seldom straight. Consequently, they are a poor choice of
material from which to create something which is flat and square.

Based on the answers I got from you guys, it seems that the flatness of
the top is a function of the frame itself.

How flat is flat? The fame should take a care of sagging issues, but not
minor surface imperfections.

Crappy grades of plywood have more surface imperfections than good ones. Are
we talking about CDX or cabinet grade ply?

What do you suggest for the
frame in the way it is built?

Once again, we need more data. How is the table to be used? Does it need
knee space? How many legs? How where will they me placed? If you want four
legs under the corners, your going to need a hell of alot more apron than 3
inches to support a 16' span.

Start with the 30,000 ft view, like "I want to build a platform to support
my model train set..."

-Steve



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