www.pulse-jets.com

I've never seen my jam jars/cans have that type of feed back. That must be a sight. I'll start work on the nozzle this weekend. Dust off the little lathe. Here is another design, I've lobbed off the lower half of "de Laval Nozzle" making a simpler design, should be self converging on its own. My big...

Good suggestion, I'll look into fog horns.

Here is a concept for a valved Reynst style jet. I wanted to see the opinions on it, and if any one has tried this avenue yet.

Thanks in advance,

Joe