Peter Davey Heater

[FatBird]

@ NerzhDishua

Hi FatBird, Vaporizer. Interesting.  Could you give us any picture?



Attached is a picture.  In my opinion, the inside of the Vaporizer Heating Chamber is about the same size as Peter Davey's Heating Chamber.  Older Vaporizers had 2 Carbon Rods, but the new ones have 2 small pieces of sheet metal.

A 120 Volt Vaporizer can heat water to boiling in a few seconds, just like Davey's, IMHO.  NO WONDER Davey's can heat water in a few seconds connected to 240 Volts.


Comments welcome.

.

[devrimogun]

The answer is seen in any stringed instrument, or tuning fork. For example, take 2 tuning forks of the same LENGTH and hit just one of them. Put that vibrating one near the other and the second one will start to vibrate also. You can also use a tuning fork of double the frequency and get the same effect. Take a guitar and strike the low E string (top string) without touching the others. Now stop the string you just stuck and listen to the high E (thinnest string) and it will be vibrating also even though it is at twice the frequency of the low E that you struck. Octaves (doubling or halving of the frequency demonstrates this the best. Take a wind chime and another wind chime exactly half the length of the first. Strike the bigger one and then put it near the one half it's length and then stop the big one from vibrating. The smaller one will be vibrating also even though it was never physically touched. All the same principle.

In this heater the electricity (mains) are oscillating at 50Hz. These bells Peter uses can't be 50Hz because they are too small. I guess them to be 800Hz or 1600Hz which are just octaves of 50Hz.

Someone here asked how to tune bells. Just like wind chimes, the smaller the bell the higher the frequency so start with something a little lower frequency than 1600Hz and then grind it down until you get to 1600Hz. If using 60Hz mains then the bells would need to be 1920Hz.

Then these bells will be vibrating in octave relation with the mains and you just need to adjust the distance between the two bells to find the sweet spot where the waves coming off each bell strike the other bell so as to not dampen IT'S vibration.

Same theory as to why you suspend a wind chime from a particular distance from the end so you hold it only on the node of the wave so you don't dampen the wave that is traveling up and down the wind chime.

Or think of it like two children swings but slow it down to visualize it. A swing (pendulum) will have a natural frequency determined by it's length. If you want to use the most minimal energy to continue the swing swinging then you need to push at the same frequency as this natural frequency of the swing.

With the 2 bells vibrating both at 1600Hz (in the case of 50Hz mains) and distanced from each other so the node of the waves strikes the opposite bell at exactly the right time and you make the water very hot very fast :-)

You obviously know a lot about this. I will ask some questions maybe you know the answers.
1) According to one of our friends above the small bell is 1 3/8 inch in diameter (3.5cm) and the bigger bell is 1.75inch (4.5cm). If the small bell vibrates at 1600Hz then the bigger one would vibrate at how many Hz.?
2) How the electrical frequency effects them to vibrate is a mystery to me can you explain?
3) If instead of hitting the bells directly with electricity we hit one of them with a stick and repeat this action like in the old door bells
or telephones would the water still heat?

Regards.

[devrimogun]

@ NerzhDishua

Hi FatBird, Vaporizer. Interesting.  Could you give us any picture?



Attached is a picture.  In my opinion, the inside of the Vaporizer Heating Chamber is about the same size as Peter Davey's Heating Chamber.  Older Vaporizers had 2 Carbon Rods, but the new ones have 2 small pieces of sheet metal.

A 120 Volt Vaporizer can heat water to boiling in a few seconds, just like Davey's, IMHO.  NO WONDER Davey's can heat water in a few seconds connected to 240 Volts.


Comments welcome.

.

This has nothing to do with it. That vaporizer is fast as it is boiling a small amount of water.
If whats said is true this boiler heats any amount of water as fast.

[devrimogun]

The Davey setup is definitely a good design, but we still have no idea of how much energy he is using to create the effect.

We know that Thrapp's setup seems much better, but is a bit more complex in its apparent use of multiple frequencies and a perfect sphere.

Little do many know, but there is another electric setup that I FEEL works better than both of those, and it was made by good old Stan, SM...

If you want me to write up a bit about it, let me know.

Please share anything you know about Meyers system.
I am sure everyone here would be very interested.
Thanks.

[NerzhDishual]

@FatBird ,

Thanks for the picture...
I never seen this thing before!
Actually, according to Goggle, it also exists in France.

According also to few personal experiments -and should I repeat myself -
you can heat water very fast with a 'Davey-like' device but if it is not
well tuned you will also use a lot of amps...

I tried to boil more than 4 liters of water with the 220 Volt alternative grid current
My 16 amps fuses did not appreciate. I could only reach about 76?.
My calculations gave a COP=/= 100%

Anyway - as I told before - a relative of mine, once, stumbled upon a
very strange behavior = the amp consumption was tremendously decreasing after a short while.
But -as far as I am aware of it- he could not manage to reproduce this phenomenon.

BTW: These Davey-like devices are also able to make electrolysis when 'DC fed' and when
the 2 cups are close. (closer than in the picture)

So, IMHO a device worth to be experimented by a good builder/fitter. I'm a poor builder.




Best