Friday, August 17, 2012

Lightening the load

This is the point where I want to take some of the weight out of the module itself.  The deck and frame are made of sturdy 1/2 inch cabinet grade plywood and because I plan to place foam insulation board over most of the surface, I can remove some of the deck where it will be covered.

This photo shows the holes I made.  The black horizontal lines show where the tracks will be and those areas were left solid.

In case you were wondering what a hole saw is, it is a round device that fits into an electric drill motor with saw teeth along the leading edge that cut a nice circular hole.  There is a 1/4 inch drill that guides the alignment of the larger saw blade.  After cutting about halfway through on one side, I switched to the reverse side to finish the hole.  The drill bit will have made a hole all the way through that will insure the cuts on each side will line up.

This photo shows a set of hole saw blades along with the drill motor and the wood disks that were removed from the module.

Because of the density of this wood those disks represent about 3 pounds.

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