DEV  OK I looked at polish docs page and saw no breakdown of the build no information of any kind besides illustration and 50 htz  did I miss something ?   Chet PS I believe in KISS

OK. Look under "#B2. Design of the heater described here:"
also get the missing parts from http://www.rexresearch.com/davey/davey.htm look under "More on the Sonic Boiler"

im glad people are starting to look at this as well, it just seems so basic and simple device, it just needs a little understanding and then some tinkering.

NEWAGE your actual pic shows three half spheres      also the illustration #1[inside bell] seems to flatten out past the midway point   Chet

@Devrimogun,

Thanks for your enlightening feeback (and your compliments  ).
Actually, you opened my eyes : trying to build this Peter Davey's device more or
less randomly (as I did) and expecting to stumble upon any 'OU' behavior is
definitely not a good method... Success is here more a question of knowledge than
a question of craftsmanship...

As you stated, these things must be (doubly) tuned.

I have however, all the equipment (even some 'leftovers' of an old home studio) for
testing the cups. My old 1995's demo version of VWave should even be able to do
the trick... http://www.nicolasfournel.com/vwaves.htm

BTW: this could be an half baked idea, why not:
- record the device with a sampler (an old AKAI S3000XL, for example?
- test the 'wave shape' and if OK
- give the device back his own looped 'wave shape' ?

(http://freenrg.info/Pic/AKAI_S3000xl.jpg)

So, as soon as I'm 're-motivated', I do some more tests.'

Best

DEV @Newage  what are his bells made from ?   Chet

Made of a sound inducing metal plate.
@newage thanks for the improved drawing. Is it exact?
The thing is in the open more or less. Remember my theory : "it will work in many different
ways" (unless it is a hoax). The experiment done by @Nerzsh (http://freenrg.info/Sonettes_Davey/calcul_sonette.html)
is a proof of this theory of mine.

I will be in France Paris until 23rd. My apologies but there are incredible people here anyway and I am sure that you will not miss my feedbacks.

Regards,
Devrim

NEWAGE your actual pic shows three half spheres      also the illustration #1[inside bell] seems to flatten out past the midway point   Chet

3 spheres? I only see 2.

Also doesn't matter if it's flatting out. It's just a bell. You could do the same thing with a cylinder and it's already been done in many H2O engines. If it rings, then it will do the trick. I think we are making this much too complicated. Making a bell that rings at 1600Hz is toooo simple! Grinding is tooooo easy! This device doesn't require any electronics! Doesn't require any math! Doesn't require much skill. Anybody that can tune a guitar by ear can make this device with a little trial and error! I love how these things were done in an age where complicated math and theory could not get in your way. Keely was a musician, Peter was a musician. Anyone that has turned up the sound in a house with things that rattle has to wonder why some things rattle and other things don't depending on the music! Take 2 tuning forks at the same frequency and see the magic of resonance by striking only one of them and watch while the other magically starts vibrating as well. Take 100 of them and strike one and watch the other 99 ring as well. Do the same with the first and last string of a guitar. This stuff has been in our face for centuries but only a few seem to see the power of resonance and understand how simple it is. Push a kid on a swing and we naturally know WHEN to push and when to not. We use electricity like a brute and pound away using unnecessary amperage. It's like pushing your kid on a swing but pushing like mad even when the swing is no where near the pusher! As above, so below! As in the macro as in the micro!

Thanks Borg @ storre  why do you think this way [Tubes][pipes] [easy]  seems if this was the case it would be done [has it ]   Chet ps besides Davey

Thanks Borg @ storre  why do you think this way [Tubes][pipes] [easy]  seems if this was the case it would be done [has it ]   Chet ps besides Davey

I believe it has been done over 100 years ago by people that saw music and electronics intimately related. If you've seen the Peter Davey videos you can see he's done it also. Water does not boil that fast even with 220v. I've tried it and a cup of water using a coiled up wire across to 110v mains takes at least 30 seconds to boil. It's actually pulling 2000W to do that. We have to see electronics and music as the same field of study. They are the same in terms of resonance. I will use the guitar again as an example. Tune the first and last string so that they are EXACTLY in tune with each other. If you strike the lower E string strongly without touching the higher E string and then stop the lower E string from vibrating you will hear the higher E string vibrating even though it was never touched. If you then detune (even a little bit) one of the 2 E strings so they are not in resonance with each other, then the effect stops.

This outer (or inner?) bell has to be tuned exactly to a harmonic of the oscillation of the AC mains. Then the bell will serve as an amplifier to the oscillation of the mains frequency.

The same theory holds true with the example of a soprano singer breaking a china glass by hitting the exact frequency of the glass. Put water on your finger and slide around and around the rim until it rings and then play that frequency on a sound system at a high volume and you can shatter the glass. I also read stories about how Keeley could break a quartz rock into powder with a resonator and how Tesla could vibrate a building to destruct itself using a resonator. They both understood the same thing and then some?

I think someone here will make a working model very soon