flyrotary@lancaironline.net Mailing List Archive

Al, I would off- set the tubes, the idea is to not have a direct path for the sound waves to travel in a direct line, front to back (path of least resistance) make them stainless and of a reasonable thickness. George (down under) Maybe there is a way to get both. This is the first results from my experiments with bandgap filters that I just did today. http://ernest.isa-geek.org/Delta/Experiments/PhononicBandgapFilter.html Ernest; How are you defining 'filling fraction' ? Al -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html