http://www.greenpowerscience.c... CUTTING A PERFECT CIRCLE ON A TABLE SAW. MAKE A PARABOLIC MIRROR COPYING A PARABOLOID. MAKE PERFECTLY BALANCED FLYWHEELS OUT OF WOOD....
http://www.greenpowerscience.c...
This is a large fiberglass parabolic shape made out of fiberglass. It is very powerful and has the part A mirror 80%....