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by Richard Hull
Tue Sep 21, 2021 2:53 am
Forum: Control and Instrumentation Hardware and Software
Topic: Countdown to extacy, or: Create that activation decay graph.
Replies: 9
Views: 139

Re: Countdown to extacy, or: Create that activation decay graph.

Sorry, I misunderstood, obviously. Still, It has always been a pipe dream to get the fusor working fine manually and then turn on auto-pilot and allow the system to self-stabilize and maintain operation via feedback. I just feel that with associated issues during a run, no auto-pilot could do as goo...
by Richard Hull
Tue Sep 21, 2021 2:48 am
Forum: Fusor Construction & Operation (& FAQs)
Topic: PEM fuel cell deuterium generator
Replies: 37
Views: 36141

Re: PEM fuel cell deuterium generator

Mark noted that with use, the syringe might stick a bit and he suggested giving it a tiny pull on occasion as generation proceeds to relieve the pressure. (do not pull deliberately hard to extract! Just assist the natural pressure to move the plunger...Let the natural pressure move the plunger with ...
by Richard Hull
Mon Sep 20, 2021 5:47 pm
Forum: Control and Instrumentation Hardware and Software
Topic: Countdown to extacy, or: Create that activation decay graph.
Replies: 9
Views: 139

Re: Countdown to extacy, or: Create that activation decay graph.

I have long sought this auto run and control scenario and have little doubt that I could do it in software, certainly with an Arduino Mega ~ $27.00 However, turning over control to a microcontroller may be a risky business for the casual effort that seems so doable to the programmer. All the interfa...
by Richard Hull
Mon Sep 20, 2021 2:53 pm
Forum: Control and Instrumentation Hardware and Software
Topic: Countdown to extacy, or: Create that activation decay graph.
Replies: 9
Views: 139

Re: Countdown to extacy, or: Create that activation decay graph.

Fabulous work Finn! I look forward to your continued efforts with activation once your system is back on line. Quite often we go on hold due to issues with our fusion systems. Keeping busy with related efforts is always a good idea and usually improves our understanding via related experiment, study...
by Richard Hull
Mon Sep 20, 2021 1:51 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: PEM fuel cell deuterium generator
Replies: 37
Views: 36141

Re: PEM fuel cell deuterium generator

The rebirth and commentary on this old 2014 posting is often seen in other posts. The rather complex system posted just above in 2021 is a nice exposition on what might be a superior system using a PEM cell. However, for those not so well disposed to a complex system, a most miraculous system of rat...
by Richard Hull
Sun Sep 19, 2021 3:38 am
Forum: Philo T Farnsworth Archive
Topic: A Synopsis of the Farnsworth ITT fusion effort
Replies: 1
Views: 57

A Synopsis of the Farnsworth ITT fusion effort

I have struggled to go year by year on a paper that is a quick rinse of the long history of the fusion effort at ITT that has avoided many technical details and stories related to the people involved. It includes no images. Still it is 5 pages long in an effort to tell the most important aspects to ...
by Richard Hull
Sat Sep 18, 2021 8:49 pm
Forum: Control and Instrumentation Hardware and Software
Topic: Countdown to extacy, or: Create that activation decay graph.
Replies: 9
Views: 139

Re: Countdown to extacy, or: Create that activation decay graph.

I do note that your work is a fast responder and good for you for doing that with the 16mhz Arduino. The circuit I used and the software was a tiny modification of my normal GM circuit and software developed 3 years ago. I already had a moderately fast count and capture operation in the GM system. A...
by Richard Hull
Sat Sep 18, 2021 4:59 am
Forum: Control and Instrumentation Hardware and Software
Topic: Countdown to extacy, or: Create that activation decay graph.
Replies: 9
Views: 139

Re: Countdown to extacy, or: Create that activation decay graph.

Great work! I understand what you did. Pin 3 is an interrupt for those who do not know. Interrupts are how I count also in my fusor GM activation system data collection. I assume each count is logged to a microsecond basis. Would granulated creep into the graph at a peak count of only 10 counts per ...
by Richard Hull
Sat Sep 18, 2021 3:01 am
Forum: Fusor Construction & Operation (& FAQs)
Topic: A bit of warmup operation for HEAS
Replies: 4
Views: 504

Re: A bit of warmup operation for HEAS

Just added another data point. After 3 days of no runs, I had to fight like hell to beat the old numbers. It was tough to get to 75,000 cpm. I won by opening up the vacuum conductance and using a bit more flow on D2. to bust the 90 Kcpm mark. I attach the current Rhodium activation graph. First 5 se...
by Richard Hull
Sat Sep 18, 2021 2:53 am
Forum: Please Introduce Yourself
Topic: Hello from Czech
Replies: 1
Views: 117

Re: Hello from Czech

Welcome Hans. I hope you can learn from the data contained in the forums. The best information is to be found in the FAQs.

Richard Hull

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