CNC router repair part 2

Wayne is finished with the CNC router/plasma cutter. With the additions and modifications, it is now ready to produce accurate prototypes of anything that we dream up in the shop. Wayne estimates that accuracy should be better than .015" depending on the material being used.

Whoops! Too Hot! part II

We noticed today that the damaged wall was beginning to assume a noticeable inward bow, which is not a good sign. We fabricated and installed a series of T-braces that were made from 2x6's to reinforce the wall. When installing we noticed that the wall was bowed nearly 1 1/4" inches in some areas. We were able to reduce that bowing to under 1/4" The braces help spread the load and restore most of the structural integrity to the wall. We will leave them in place until we have a permanent design.
The Insulation installer was here today and filled the wall cavity with closed cell foam. The cavity was larger than we had realized. We have removed most of the solar panels, and the rest should come down over the next few days.
The first photo shows Ryan prepping the inner wall. The second photo shows the bracing and some of the many holes that were drilled to refill the cavity.

CNC Router repair

Wayne has been busy with modifications to our CNC router to make it more accurate. He has fabricated and installed a new y-axis bridge, and also torsion bars to each side support to reduce the amount of lateral and radial play that is allowed. The purpose is to force the router head to move on track and not have erroneous movement.
We are hoping to have it completed and running by March 5th.

Narc heat pump controls

Whoops! Too Hot!

This is upper west part of ARC08 South wall. See the wet looking spots on the glazing panels near the right?

I was wondering why those panels looked wet all the time.

Then I noticed that, inside the house, that portion of the wall seemed colder than the other wall at night and warmer during a sunny day. Curiosity got the best of us. Friday we drilled a 3 inch whole through the sheetrock and found that all the styrene foam in the sip was melted away and the resulting cavity was 225 degrees F.

We immediately took the glazing of of the area and then remembered that we had removed those three solar panels last fall, putting the glazing back so it looks good. The walls were covered with ice and water shield to protect them from leaks.

The black tarry ice and water shield soaked up the sun and got really hot, dripping molten tar onto the glazing.

For good measure, we removed the glazing from the rest of the solar panels and drilled a few holes to see if the sips behind them were also damaged.

This is what the house looked like before the glazing was removed.