A nice place to store your harddiscs
eric
-Oorspronkelijk bericht-
Van: neonixie-l@googlegroups.com [mailto:neonixie-l@googlegroups.com] Namens
Alic
Verzonden: zondag 14 augustus 2016 20:45
Aan: neonixie-l
Onderwerp: [neonixie-l] Re: Take a look at this
Yes, very impressive
Yes, very impressive what you can do with magnets! There's also the float table
:
http://rockpaperrobot.com
https://vimeo.com/51625557
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Amazing what you can do with magnets!
http://archiduke.blogspot.co.uk/2012/03/magnetic-bed.html
Not cheap, though!
Nick
On Thursday, 21 July 2016 16:43:09 UTC+1, Pramanicin wrote:
>
>
> https://www.kickstarter.com/projects/lasermad/time-flies-levitating-nixie-clock
>
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This fact was very interesting!
I bought a few different Neodymium magnets from Ebay when I experimented
with the RYG10 as I didn't have a proper magnet, cheap ones from the Far
East and they all became less magnetic in just a short time (some months).
The Ferrite magnets I bought are still ok.
Another degradation path I've seen too many times for NdFeB (Neodymium
"super magnets") is that they corrode and turn to powder, especially the
cheap ones from the Far East. The problem seems to be that the protective
plating applied is too thin to do any good.
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Physical shock will also do them in!! Ira.
On 7/23/2016 3:10 PM, gregebert wrote:
Permanent magnets will degrade (for lack of a better word) over time,
and factors such as an opposing magnetic field will accelerate this.
More details on physics forums, but it seems intuitive that external
fa
Permanent magnets will degrade (for lack of a better word) over time, and
factors such as an opposing magnetic field will accelerate this. More
details on physics forums, but it seems intuitive that external factors can
disrupt the alignment of atoms thereby reducing the magnetic field.
I recal
Can anyone who has knowledge about magnets say what will happen to them
over time, especially when they are near electromagnets transferring power,
will they weaken and become unstable so the design will tilt or fall, and
how long will it take to weaken the magnets?
/Martin
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Correction, one can use diamagnetism (opposing ferromagnetism) to achieve
stable, static magnetic levitation in a gravitational field. Paramagnetism
is merely a weaker form of attraction, so it won't work. Diamagnetism is
the opposite; diamagnetic materials weakly repel magnets rather than
attr
> Earnshaw's theorem actually states that it's impossible to use static magnets
> to levitate no matter how you create the field without some supporting
> surface touching the levitating surface at some position (like a pole) which
> of course doesn't count as levitation. You have to use active
Earnshaw's theorem actually states that it's impossible to use static
magnets to levitate no matter how you create the field without some
supporting surface touching the levitating surface at some position (like a
pole) which of course doesn't count as levitation. You have to use
active stabili
...and if I had six of Dalibor's tube in a clock, I certainly wouldn't risk
it floating-away and crashing onto the ground. I can imagine all sorts of
scenarios where mag-lev can go wrong with an unrestrained object.
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It's not an issue with Dalibor's tube. It is beautiful! I have no
interest in a one digit clock.
On Thursday, July 21, 2016 at 1:51:08 PM UTC-5, Tony Adams wrote:
>
> Thanks for the comments everyone. A serious question though, would anyone
> consider it worth adding an IN-8-2 option for examp
I would be interested in an IN-8-2 option.
Jon
On Thu, Jul 21, 2016 at 12:51 PM, Tony Adams wrote:
> Thanks for the comments everyone. A serious question though, would anyone
> consider it worth adding an IN-8-2 option for example? I'd expected anyone
> wanting a good looking nixie would have g
That's a good thought...I'm sure our feline friends would find them
*fascinating*
On Thu, Jul 21, 2016 at 9:58 AM, Dekatron42
wrote:
> I wonder how well it goes with cat owners, maybe you should use a glass
> dome to cover it so your cat doesn't start to play with it
>
> /Martin
>
> --
>
Have a look at 4HV - lots of working projects on there including wireless power
transfer using Royer oscillators - built one myself about 5 years ago when
doing a lot if Tesla Coil stuff...
Nick
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I don't think the issue is Dalibor's tube.
The issue is Single Tube vs 4 Tubes.
Yes, I like the IN-8-2 Option or the ability to change between the tubes
(or simply easily replace tubes as needed).
Michail Wilson
206-920-6312
In a message dated 7/21/2016 11:51:10 A.M. Pacific Daylight
> As for a "one-off", home made project,... No power is required
> inductive power transfer. ...
>
Just as a clarification:
1) No power required for levitation
2) Inductive power transfer, to light up the nixies, and run the clock
circuit. Only need in the ballpark of 5W.
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>
>
> https://www.kickstarter.com/projects/lasermad/time-flies-levitating-nixie-clock
>
£35,000 is a rather modest amount to get production running. If he needs
plastic bits, the cost of dies are a tad steep. Also getting PCBs
assembled. I don't think he's looking at hand soldering a bunch of b
Thanks for the comments everyone. A serious question though, would anyone
consider it worth adding an IN-8-2 option for example? I'd expected anyone
wanting a good looking nixie would have gone for Dalibor's tube but sadly
it hasn't been as popular as I'd hoped.
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I wonder how well it goes with cat owners, maybe you should use a glass
dome to cover it so your cat doesn't start to play with it
/Martin
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