Magnetic Door by John Bédini

quartz · by **quartz** » 01/01/08, 13:08

New Year new subject.

being on hold on the shutter motor, I returned to the tests of John Bédini's magnetic door.

All the tests I did with this concept never allowed me to loop the system.
at the time I was using ferrite magnets for the door and a Neodymium core.
I have never, until then managed to operate a door all neodymium.
It's now done.
In addition the geometry put in place will allow me a horseshoe configuration, in order to get past a support of the plunger in a space lateral to the door and that is really new for me.
Because even with ferrites I never managed to get this result.
I finally got into magnetic fields as we would say Capt_Maloche.
Having said that, I’m not pretending to be up to date, but on closer inspection,
The comprehension which it was necessary to have of the object is at the level of the thickness of the magnets constituting the door.
The thinner they are, the better, of course.
Some pictures HERE, and movies There, There, and There.

Happy New Year everyone, health and success in your projects.

naca · by **naca** » 01/01/08, 17:13

Hello Quartz and all my wishes.

Very interesting experience, I'm really starting to take a taste of all these tests.

I read here and there that a person had attempted the construction, (unfortunately without success) of a "Perendev" machine, a very, very clean realization, however. what is missing for it to work?

Next weekend, I will continue my tests with 3 weights.
To be continued...... : Cry:

quartz · by **quartz** » 01/01/08, 18:58

But if but if a lot of reproduction of Pérendev we have been tempted,
But none that I know of has worked, especially mine.
Well it is true that it was not great but will see that of my comrade Claude you will see the quality !!
But don't work anyway.
His magnificent model was published HERE
A + + +

taramop · by **taramop** » 01/01/08, 19:34

Hi everyone and happy new year

For Claude's model (

it's on it's a superb achievement

) the fundamental difference with the perendev engine is the shape of the jaws : Shock:

I wonder if the engine does not just stall at startup due to the magnetic field which goes from almost nothing to the maximum of intensity :frown:

I can't say anything but :!:

In addition, I do not know if the perendev is not a kind of wankel improve with three rotor to pass the hard point of the wankel which is the problem of this engine :?:

When we watch the videos we see that the two jaws that are filmed are not perfectly concentric with the rotor.
In addition, the video does not show us the number of magnets in the jaws or their depressions.

This is where my research is going, but I will send you sketches for criticism when I get home : Mrgreen:

.

A + + +
POM

naca · by **naca** » 04/01/08, 21:13

I think precisely like "Taramop", the principle "Perendev" is probably in corellation with the famous "Wankel" engine of the 70s, remember ...., this engine took revolutions / mn in an exciting way, but only had very little torque.
I think the stator jaws are out of phase between the input and the output.

Okay, I'll do the dishes ........ : Evil:

But, no ...., I'm kidding .....

quartz · by **quartz** » 05/01/08, 11:22

Hello gentlemen,
Please note that we are not in Wankel or Pérendev,
no confusion.

The magnetic door is different at the constitution level already,
and then in operation.

watch that the diver goes through one door, two doors, then three etc.
if we are putting four or six it's the same,
therefore the ejection motive energy is more important than the entry brake.
otherwise the diver would not pass two doors let alone three.

I keep advancing on it today, I'll keep you posted.

A + + +

naca · by **naca** » 05/01/08, 12:21

Small confusion, actually Quartz, the door of "bedinni" has nothing to do with the principle "Perendev".

In this Topic we talked about the "perendev" of your friend "Claude" hence the confusion.

I am working again today on my "hatem" with 3 flywheels,
Info may be tonight .... : Cry:

Tagor · by **Tagor** » 05/01/08, 13:36

quartz wrote:watch that the diver goes through one door, two doors, then three etc.

Hello quartz

since you demonstrated that a door was on unit
wouldn't it be easier to build multiple arms
magnetic (4, 6, 8 or 12) that could turn around
an axis with a single door, placed on the circumference?

rather than the reverse: multiple doors on a circle with one arm?

quartz · by **quartz** » 05/01/08, 14:11

For the moment I am trying to complete a loop with a single plunger because it is what works on my test model.
One step after another.
depending on the results I would do different tests including the one you cite.

I spent a lot of time already on previous models, with ferrite magnets,
this concept remains very finicky, so be careful.

A + + +

Tagor · by **Tagor** » 05/01/08, 14:51

quartz wrote:this concept remains very finicky, so be careful.

A + + +

ok
well i'm impressed with the making of the doors
how many do you plan to make?

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Magnetic Door by John Bédini