Search found 651 matches

by Andrew Seltzman
Sun Mar 15, 2020 8:10 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: Mark III Advanced Pressure Control / Deuterium Generation from D2O / Metal Hydride Storage
Replies: 21
Views: 2160

Re: Mark III Advanced Pressure Control / Deuterium Generation from D2O / Metal Hydride Storage

I think the non pro versions were discontinued. The one I took apart was the brunton hydrocore (a rebranded hydrostick pro). Both the Brunton hydrocore, and the hydrostik pro version come full with hydrogen. Depleated uranium is usually only used for storing tritium. It has to be heated to several h...
by Andrew Seltzman
Sun Mar 15, 2020 4:44 am
Forum: Fusor Construction & Operation (& FAQs)
Topic: Mark III Advanced Pressure Control / Deuterium Generation from D2O / Metal Hydride Storage
Replies: 21
Views: 2160

Re: Mark III Advanced Pressure Control / Deuterium Generation from D2O / Metal Hydride Storage

No special method to purge the residual hydrogen was used on my metal hydride cartridges. They were emptied of H2 down to atmospheric pressure then filled with D2. The H2 to D2 ratio would probably be a few ml H2 per 11L D2.
by Andrew Seltzman
Sat Mar 14, 2020 2:57 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: Mark III Advanced Pressure Control / Deuterium Generation from D2O / Metal Hydride Storage
Replies: 21
Views: 2160

Re: Mark III Advanced Pressure Control / Deuterium Generation from D2O / Metal Hydride Storage

It was a used one that I got on ebay with a Brunton Reactor fuel cell. It was left screwed into the fuel cell for probably long after it was empty and air with moisture likely got in (by permeating through the fuel cell membrane after there was no flow of hydrogen out of the cartridge) and destroyed...
by Andrew Seltzman
Sat Mar 14, 2020 1:31 am
Forum: Fusor Construction & Operation (& FAQs)
Topic: Mark III Advanced Pressure Control / Deuterium Generation from D2O / Metal Hydride Storage
Replies: 21
Views: 2160

Re: Mark III Advanced Pressure Control / Deuterium Generation from D2O / Metal Hydride Storage

I recently dismantled one of the used metal hydride cartidges that would no longer take a charge. The top screws on, though I was unable to find a way to unscrew it, it may be epoxied in place IMG_20200312_223728291.jpg There are threads on the ID of the cylinder hydrostick1.jpg Cutting the cylinder...
by Andrew Seltzman
Thu Mar 12, 2020 3:02 am
Forum: Fusor Construction & Operation (& FAQs)
Topic: Mark III Advanced Pressure Control / Deuterium Generation from D2O / Metal Hydride Storage
Replies: 21
Views: 2160

Re: Mark III Advanced Pressure Control / Deuterium Generation from D2O / Metal Hydride Storage

I tested the fusor with the deuterium from the metal hydride cartridge and found equivalent performance to the deuterium from the lecture bottle. Due to some arcing from a damaged grid insulator, voltage was limited to 30kV. A run with a deuterium lecture bottle was followed by a run with the metal ...
by Andrew Seltzman
Mon Mar 09, 2020 11:10 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: Mark III Advanced Pressure Control / Deuterium Generation from D2O / Metal Hydride Storage
Replies: 21
Views: 2160

Re: Mark III Advanced Pressure Control / Deuterium Generation from D2O / Metal Hydride Storage

Cost breakdown for metal hydride capture of D2: Testing conversion efficiency from D20 to D2 captured in metal hydride: Filling a metal hydride cartridge with 2.04g D2 (11.1L) required 31.7g D2O 1000g D20 costs $1213, so it costs ~$39 to fill a metal hydride cartridge A hydrostik pro costs $42, and ...
by Andrew Seltzman
Sun Mar 08, 2020 7:26 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: Mark III Advanced Pressure Control / Deuterium Generation from D2O / Metal Hydride Storage
Replies: 21
Views: 2160

Re: Mark III Advanced Pressure Control / Deuterium Generation from D2O / Metal Hydride Storage

More updated on the gas handling system progress: The hydrostik pro was successfully filled with deuterium IMG_20200229_194837241_HDR.jpg I bought 1L of heavy water for further experiments IMG_20200308_144641565_HDR.jpg New proportional valves for the deuterium pressure control system The upgraded g...
by Andrew Seltzman
Sat Feb 29, 2020 10:26 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: Mark III Advanced Pressure Control / Deuterium Generation from D2O / Metal Hydride Storage
Replies: 21
Views: 2160

Mark III Advanced Pressure Control / Deuterium Generation from D2O / Metal Hydride Storage

I have been working on some upgrades to my gas handling system, pressure feedback control, and deuterium generation. I am aiming to move away from piezo gas control valves towards proportional solenoid valves for deuterium flow control and to build a digital PID control system for valve control to r...
by Andrew Seltzman
Sun Feb 23, 2020 4:39 pm
Forum: Items For Sale
Topic: Deuterium lecture bottles on ebay
Replies: 12
Views: 2190

Re: Deuterium lecture bottles on ebay

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Global Rare Gases LLC
2533 Tracy Road
Northwood, Ohio 43619
P: 419-661-1465
F: 419-831-1111
E: info@globalraregases.com