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Author Topic: Magnetic Graphite (Oxford Bell)  (Read 2346 times)

Offline Jimboot

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Re: Magnetic Graphite (Oxford Bell)
« Reply #15 on: November 21, 2022, 05:10:21 AM »

Never tried it with humidity only. The problem with aluminum is the oxide layer that forms which in turn kills the battery efficiency.
With the gal steel I'm using it needs about 4 cells or over 5 v to shine an LED. So very little current. Curiously though it works with aged gal steel as well. I thought it was some oxidative process going on but my 4 yo shed pylons give the same reading. I'm less than 1KM from the sea though so maybe the salt air is having an impact.

Offline truesearch

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Re: Magnetic Graphite (Oxford Bell)
« Reply #16 on: November 21, 2022, 02:13:35 PM »
Quote
The problem with aluminum is the oxide layer that forms which in turn kills the battery efficiency.

What is needed is to add gallium to aluminum so that it won't oxidize. Doing this is proven technology:

Here is a reference to an article that describes it:
https://newatlas.com/energy/aluminum-gallium-hydrogen-powder/

Offline sm0ky2

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Re: Magnetic Graphite (Oxford Bell)
« Reply #17 on: November 21, 2022, 04:03:32 PM »

When talking about diodes, I suppose they are Germanium type diodes who gain energy from their local radiation which may not always work in no radiation zones (radiation is another principle).   


No these are the current standard low-power superbrights
i was able to get 1000 for under $10 (US) on Amazon


They appear to be very close (mathematically) to an ideal semiconductor

Offline sm0ky2

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Re: Magnetic Graphite (Oxford Bell)
« Reply #18 on: November 21, 2022, 04:11:27 PM »
Zamboni was using zinc and silver
With magnesium dioxide as a non-aqueous electrolyte.


The bell itself draws very little power,
Making use of very short lived current spikes on the contact switch.
I imagine a capacitor of any substantial magnitude
could ring such a bell for several days if properly constructed.


Offline kajunbee

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Re: Magnetic Graphite (Oxford Bell)
« Reply #19 on: November 26, 2022, 02:26:12 AM »
What is needed is to add gallium to aluminum so that it won't oxidize. Doing this is proven technology:

Here is a reference to an article that describes it:
https://newatlas.com/energy/aluminum-gallium-hydrogen-powder/

I never experimented with gallium but had considered it for the reason you stated. Thanks for the link.