On Thu, 06 Dec 2007 18:32:10 -0600, cavelamb himself
wrote:

Richard Casady wrote:
On Wed, 5 Dec 2007 07:41:59 -0500, "Sal's Dad"
wrote:


as 1/8 aluminum weighs about the same as 3/4
ply.


If you divide 2.7, the density of aluminum, by 6, you get .45. I
thought plywood was heavier than that.

Casady


plywood floats.

Aluminum don't.

What am I missing here?

A clue.

Casady