A fuller sound can be achieved if you can send a mist of water through it.

Nice!

Great sound love them. Could you please share some of the construction details

Nice soundin whistles!

very cool. nice soldering too.

I heard them from Ireland ! Great work there

If you have a small sheet metal roller you could roll any size tube you want.

Kirk - your voice sounds exactly like Jimmy Stewart!

Cool

What are you using for valves?

01:02 for anyone wanting to skip

I'm a retired pipefitter let me check with some people I might be able to get you chunk of 4 in that's a shame five years ago I scrapped a piece of 6 inch copper

7 years later. Go to pvcpipe123.com. They have up to 6" copper pipe.