I usually push the tube ⅛ to ³/16 inch over. Instead of the diaphragm being totally flat, it would be rising a little from the pressure of the tube. I had trim a little of the nozzle (tube) because it was sticking out a little far later after the video because it didn't work.
@ I see. Thank you! I’ll try to not be too precious with my first iteration and may incorporate some adjustability because I’m pretty confident I won’t initially get it quite right : )
Have you tried adjusting the pressure on the center spring?
No I haven't
This is just an example of how to build this thing right
Basically the cheapest way to be heard 20+miles while producing roughly 150 dB.
Could you make a demo of it working, so we can hear what it sounds like?
I see there are some demos on your other videos.
You mean with the back cap off and the diaphragm moving?
@@BigHorndb188 Sure, that would be interesting too.
I keep it in mind.
Stay tuned
How do you determine the amount of pressure to put between the tube and the diaphragm?
@@BigHorndb188Thanks!
I usually push the tube ⅛ to ³/16 inch over. Instead of the diaphragm being totally flat, it would be rising a little from the pressure of the tube.
I had trim a little of the nozzle (tube) because it was sticking out a little far later after the video because it didn't work.
@ I see. Thank you!
I’ll try to not be too precious with my first iteration and may incorporate some adjustability because I’m pretty confident I won’t initially get it quite right : )