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Old 02-26-2025, 07:21 PM   #71 (permalink)
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The RUD over the Turks and Caicos islands was caused by harmonic vibrations in the "attic".

Added a vent and purge tank and good to go.

Also. they adopted the old Soviet style hot staging ring. And the beat goes on....

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Old 02-27-2025, 12:08 PM   #72 (permalink)
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Zinc Halide Batteries DONT burn and have around 4X the energy density of Lithium Batteries.

Zinc–bromine battery:
  • 100% depth of discharge capability on a daily basis.[3]
  • Little capacity degradation, enabling 5000+ cycles
  • Low fire risk, since the electrolytes are non-flammable
  • No need for cooling systems
  • Low-cost and readily available battery materials
  • Easy end-of-life recycling using existing processes

Some Lugols Solution (Iodine) and Zinc:



ie: They are so easy you can make your own battery without a 2nd mortgage on the house to buy batteries.
(you don't need an inverter for anything that doesn't have an AC electric motor in it either...)

So the question is:
WHY is 'Mos Burning' using Lithium batteries in the 1st place!???
For stationary batteries it doesn't matter a damn how large and heavy they are.
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Old 02-27-2025, 01:24 PM   #73 (permalink)
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Quote:
Originally Posted by Logic View Post
Zinc Halide Batteries DONT burn and have around 4X the energy density of Lithium Batteries.

Zinc–bromine battery:
  • 100% depth of discharge capability on a daily basis.[3]
  • Little capacity degradation, enabling 5000+ cycles
  • Low fire risk, since the electrolytes are non-flammable
  • No need for cooling systems
  • Low-cost and readily available battery materials
  • Easy end-of-life recycling using existing processes

Some Lugols Solution (Iodine) and Zinc:



ie: They are so easy you can make your own battery without a 2nd mortgage on the house to buy batteries.
(you don't need an inverter for anything that doesn't have an AC electric motor in it either...)

So the question is:
WHY is 'Mos Burning' using Lithium batteries in the 1st place!???
For stationary batteries it doesn't matter a damn how large and heavy they are.
That is a very good question.
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Old 02-27-2025, 02:41 PM   #74 (permalink)
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Zinc, carbon fiber, a flowerpot and household chemicals. What's not to like?

He mentioned a flow battery. Could this be configured as such?

RM-S is like a stone skipping across a vast corpus of knowledge.
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Old 02-27-2025, 02:49 PM   #75 (permalink)
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I'm not up to speed on flow batteries, but from what little I know, they seem ideal for grid storage since the capacity is limited to the amount of stored electrolyte, which can be collected and recharged at a later time.

No idea how the cost per kWh compares to other chemistries.

I do have a friend who has a PhD in chemistry, with a focus on flow batteries. Haven't talked to him in a few years.

https://www.linkedin.com/pulse/dont-...-alex-bistrika

https://www.researchgate.net/profile/Alex-Bistrika

https://www.aiche.org/community/bio/alex-bistrika
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Old 02-27-2025, 03:07 PM   #76 (permalink)
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Maybe time to assert that friendship?
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Old 02-27-2025, 05:17 PM   #77 (permalink)
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Quote:
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Maybe time to assert that friendship?
Yeah, and to get his take on things considering he's from the Ukraine part of the USSR.
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Old 02-28-2025, 09:34 AM   #78 (permalink)
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Quote:
Originally Posted by freebeard View Post
Zinc, carbon fiber, a flowerpot and household chemicals. What's not to like?

He mentioned a flow battery. Could this be configured as such?

RM-S is like a stone skipping across a vast corpus of knowledge.
Yep; cheap as chips if space and weight isn't a problem.
No expensive charge controller reqd.

Then DO we need a large expensive inverter!??

House lights run on a separate circuit to plugs. (Here. There?)
LED Lights run on ~3 volts and 0.01 to 0.02 Amps per bulb.
(The LED light bulbs in shops each have cheap, inefficient transformers built into them to get back down to ~3V DC)

That means that one could easily disconnect a house's lighting circuit from the HV AC system and wire in a small Solar and battery system for a start.

Other loads one could grow the system to:

If you have a string of eg; 3 volt cells in series a live wire after:
  • 1 cell (series) gives 3 volts for LED lighting.
  • 4 cells gives 12 volts for computers (sans expensive 'inefficient' PSU) etc.
  • 37 cells gives 110 volts for std house and water heating.
ie: The same battery pack gives any voltage you want depending on where you attach the live
wire/s...
(You'd want more cells in parallel down at the lower voltages)

Then grow the system for resistive loads. (heating)
The elements don't give a damn if the power's AC or DC as long as the Voltages are more or less the same.

About the only household appliances that actually need AC are things with AC motors in them.
That leaves an inverter required for things like; fridge, tumble dryer, etc, but not stove and geyser.
(Those motors could be swapped out for 'DC' motors at some point)

So why the second mortgage for a 'So-lar-de-dah System', rather than a simple efficient (no conversion losses) system you grow as funds allow..?
One that starts with with basics, like light.


While I'm at it:
An emergency genset that runs 'The Basics' in your house during an outage, of say 10kw, has 20kw of heat going begging that's easy to plumb into a house with some EGR cooler from the breaker's and coils of copper pipe.
All of a sudden that inefficient genset is over 80% efficient..!
(Combined Heat and Power; CHP)

There is no heating load on it, so is 10kw now too little..?
Remember the transient high/peak loads are taken care of by the batteries.

Sand Battery (stored heat) for when it's off. (Cant get cheaper than that!)
So what does 'Town Gas' cost vs electricity..?

Last edited by Logic; 02-28-2025 at 09:39 AM..
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Old 02-28-2025, 11:49 AM   #79 (permalink)
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Me like.

I was already thinking sand battery at "Then grow the system for resistive loads. (heating)".

Jack Rikard had a concept called Selfish Solar, were you have a grid connection for backup, but don't feed back into it.

https://www.evtv.me/stories/selfishly-solar-9582ee39
Quote:
What I would propose is a bit different type of solar system I term “Selfish Solar”. This is a solar system you build for you and your house. It IS connected to the grid. But kind of as a backstop/supplement. We would use the grid if necessary. But we never give or sell back to it. And the concept is to pay the monthly minimum connection fee and not use any of their electricity at all.
It fits nicely with your scenario.

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