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Old 05-02-2008, 06:31 PM   #1
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Silver-Zinc Batteries for Electrics?

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I read this article the other day. Perhaps these batteries will work their way into RC.
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Old 05-02-2008, 08:34 PM   #2
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Re: Silver-Zinc Batteries for Electrics?

Perhaps - *if* they can deliver the amps that we need.....

Mine is not to reason why; I just wire them up to fry...I mean Fly!
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Old 05-03-2008, 12:36 AM   #3
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Re: Silver-Zinc Batteries for Electrics?

Interesting article. 33% more power. Non volitile and NO degradation in the first year of use! Sound great!

Anyone have any other specs on these batteries, like size and weight? mAH ratings and such?

The article says that this is not new technology, but this is the first time I've heard of them. BUT it does sound like cost may be a serious concern compared to the more well known technologies that we use today in our planes.

If they are the new inovative way to go, then I'm sure we are going to hear a lot more about them. Theres always something new on the horizon!
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Old 05-03-2008, 09:41 AM   #4
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Re: Silver-Zinc Batteries for Electrics?

Originally Posted by johnmathewson View Post
I read this article the other day. Perhaps these batteries will work their way into RC.
John, this does sound like marketing vapourware (lots of smoke and lights but no product).

Considering that laptops are constant-load devices, these batteries may not be suitable for our use as Gary said.

I read the article and found that no product is available, lithium batteries are being slammed in every paragraph (explosive, firecrackers, flammible are some of the words used).

Right now, I'd put this down to marketeering hype, and use the time-honoured marketing phrase -- SHOW ME THE BEEF!

Until there are batteries out in the marketplace and notable battery gurus like Kieth Shaw have had their kick at them, I'd rather not be that far out on the bleeding edge of technology.

BTW, just did a Google on silver Zinc Batteries and got this

Interesting entry in the article says that the silver zinc batteries had the highest energy density until LITHIUM technology came along. Looks like ZPower is re-writing history.....

Plus there's the no actual mention of the technical details, only a graph that shows lithium densities flattening out while silver-zinc goes for the moon over the same time.

Wiki article also said that the amount of silver in the batteries is significant in the larger batteries, which is why ZPower also has a recycling incentive program -- they don't have to pay market rates for silver.

Last edited by PurgatorY; 05-03-2008 at 09:50 AM. Reason: Additional information
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Old 05-07-2008, 06:13 PM   #5
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Re: Silver-Zinc Batteries for Electrics?

I seem to recall that the first electric flights in the U.K. carried out by Col. Taplin used this type of cell made, I think by YARDLEY.
Unfortunately I can't check this as I am in the middle of a major move and all my files are not accessible. Horribly expensive, even in 1957 - 1959! Sorry guys, I can't be more specific. Let's hear more comments!

Later - wonderful thing the net! Cells developed about 55 years ago by Michel Yardney and Prof. Henri Andre. Col. Taplin's plane 'The Radio Queen', first flew electric (reportedly) on 30th June, 1957, weighed nearly 8 pounds, motor was surplus Emerson 24 volt that weighed 30 oz.,
25 silver-zinc cells by Yardney weighing just over 28 oz. gave motor 30 volts at 8 amps!!
Some people have disputed Taplin's flights but they were fairly well documented by observers of the day. All I found on quick search, goodnight.

Last edited by Spitball; 05-07-2008 at 07:17 PM. Reason: More facts and a correction to spelling.
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