Why does he state 3 octave difference and not give any reference to a frequency? From what I read you cut frequency in half to move one octave, so if I have a 3/4 inch tube that has a pitch of 1.2k the other tube needs to be at 150 hz (3 octaves lower) or 9.6k (3 octaves higher).
When he anneals the tubes, what is he going to do? Stick them in a box of carbon and put them in an oven or open fire? Get er done already...
If Freddy can run his truck %100 on HHO, I think he is lying or got it to work by accident and is trying to act like he knows what is going on but he does not.
Do any of you know how to make the tubes resonate 180 degrees out of phase?
Here is Freddy un-altered PWM
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