I have attempted to reply to your post here I think this is the 6th time over several days; My computer locks up every time I almost get it finished. I am hurrying now before it does it again.
I think we are looking into the same thing; the ...
I am still looking into materials which can be used to make Plasterite which won't fall apart outdoors, and decided to investigate cement, since it is so commonly used to build permanent structures.
The point at the top is to send a vertical beam up (would be cool if there was a shell mounted into the top of the point with its small end pointing straight up), that structure pumps energy ...