6x the weight of that 20" x 2" is 300 pounds. and a 8 inch x 40 inch primary would cost more money that I have had at one time in my entire life. The cost of the alterations would probably double that. But I could probably cast it as a honeycomb with those specs, couldn't I? Clear skies, Jerry _______________________________________________ ATM mailing list http://www.atmlist.net/