> I do something very similar for an apparatus that hangs beneath > helicopters:=20 Do tell what it is for ... Is the sealing just so they can spray gun wash it? --=20 Scanned by iCritical. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .