its not that loud but it does make some noise. thats actually something ive noticed about the videos too not sure what it is about my phone that makes it seem so loud
so today i was messing around with some different burner designs.. i came up with this, basically it goes from 2.125" tube to 1.125" tube. the video doesn't really do it justice but it really focuses the flame into a longer skinner flame and i think i like that better
https://youtu.be/o16Y4BINhgs