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Mechanical free energy devices => mechanic => Topic started by: pemox1 on August 03, 2018, 05:56:50 PM

Title: Rimbald - halfring-magnets
Post by: pemox1 on August 03, 2018, 05:56:50 PM
Does anybody know, where to buy half-ring-magnets,with orientation:
NOT: axialNOT: radialNOT: diametral
but ring-shaped, like a horseshoe-magnet!I'd need it for a test.
Title: Re: Rimbald - halfring-magnets
Post by: pemox1 on August 03, 2018, 06:07:37 PM
Test should be done as follows:
Put two of such halfring-magnets together and you get a ring with all magnetic lines inside the ring.
Then arrange several square- or rectangular magnets around the ring. All magnets must have the same orientation towards the ring.
With this arrangement you obtain a permanent imbalance, even if it rotates.
This can be illustrated by a simulation, made with vizimag:

Title: Re: Rimbald - halfring-magnets
Post by: pemox1 on August 06, 2018, 08:57:56 AM
I forgot: Rimbald = RIngshaped Magnetic unBALanced Device
Title: Re: Rimbald - halfring-magnets
Post by: Venlunie on August 29, 2018, 11:11:51 AM
The feeling of me now is very glad to be with everyone here.
Title: Re: Rimbald - halfring-magnets
Post by: pemox1 on September 10, 2018, 11:18:39 AM
Can anybody remagnetize a ringmagnet?
Title: Re: Rimbald - halfring-magnets
Post by: pemox1 on September 21, 2018, 08:36:31 PM
Forces are of course much smaller with a simulation in mm.But I think, more important are the directions of the forces!
Title: Re: Rimbald - halfring-magnets
Post by: pemox1 on September 21, 2018, 08:38:46 PM
Sorry,  x, y are inverted.
Title: Re: Rimbald - halfring-magnets
Post by: tak22 on September 21, 2018, 10:03:24 PM
Does anybody know, where to buy half-ring-magnets
Suggestion: Get yourself a suitable profile ring of steel/iron (pipe section, etc) and cut it into quarters, then place a block neo at each cut. I've made quite useful 'horseshoe' magnets with square section steel and neos. Might be suitable enough to test your idea .....
Title: Re: Rimbald - halfring-magnets
Post by: pemox1 on September 26, 2018, 10:29:32 AM
Piecing parts together to a ringmagnet causes gaps and these gaps are producing spikes.
Because there are no such ringmagnets around the world, I tried to remagnetize an axial-magnetized ringmagnet.Though I think power is big enough for ferrit-magnets, I receive no correct magnetization. There always remain areas with wrong magnetization.Maybe windings are not exactly.....note: handling with 600V and more than 2000A is really nothing for beginners!
Title: Re: Rimbald - halfring-magnets
Post by: aussiebattler on September 26, 2018, 12:02:23 PM
"note: handling with 600V and more than 2000A is really nothing for beginners!"

mmmm 1.2 Megawatt (assuming single phase only) not that big eh???
Title: Re: Rimbald - halfring-magnets
Post by: pemox1 on September 28, 2018, 10:48:16 AM
If you're not sure how this curcuit works, you shouldn't replicate it!       
Give you a hint:   Q = C * U  =  I * t.
t-charge is about half an hour.
t-discharge is about 1-5 milliseconds, depending on your coil.