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Purifying ammonium sulfate fert
I think you'll find its some kind of anti-caking agent deliberately added after prilling.
31-7-2020 at 16:30
by: Twospoons
SmCo stir bars worth it?
Alnico is more easily demagnetised than SmCo, but is therefore also more easily remagnetised. A coil ...
30-7-2020 at 02:36
by: Twospoons
How to grow crystals & Why do they form?
No pressure isn't a requirement, at least for most ionic salts. The idea is to create a thermal gra ...
4-7-2020 at 18:16
by: Twospoons
How to grow crystals & Why do they form?
Another method: [url=https://www.sciencemadness.org/whisper/viewthread.php?tid=78669#pid499255]Hydro ...
4-7-2020 at 14:09
by: Twospoons
how to predict performance of a propellant in relation to another propellant
Have you considered trying something like Propep? Its used to estimate rocket propellant performance ...
28-6-2020 at 14:18
by: Twospoons
what is your take on spending absurd amounts of money on this hobby?
Seems like you feel a little guilty about your spending. I suggest you set up a savings account and ...
18-6-2020 at 13:45
by: Twospoons
3D printing useful parts - anyone doing this? I'd like to print GL45 bottle caps if possible
Making an injection mold tool is not that simple, especially for a threaded part. You need to accoun ...
6-6-2020 at 16:02
by: Twospoons
The ozone generators with ceramic plates, useful?
I borrowed one once, and it certainly produced plenty of ozone. I would have thought the cylindrica ...
19-5-2020 at 13:47
by: Twospoons
Device that heats at around 40 degrees C?
[rquote=636331&tid=155409&author=Heptylene]A fan, an electric heater and a PID controller in ...
18-5-2020 at 14:48
by: Twospoons
Birkland-Eyde focused only on Reactor Design for fast Cooling
Even a rotary valve would be simpler - just a rotating shaft with a hole through it, driven by a mot ...
14-5-2020 at 21:26
by: Twospoons
Birkland-Eyde focused only on Reactor Design for fast Cooling
Just FYI, these pics are of the internals of the valve I use. Just thought it might provide inspirat ...
14-5-2020 at 16:05
by: Twospoons
Birkland-Eyde focused only on Reactor Design for fast Cooling
[rquote=636026&tid=155384&author=FranzAnton]
Compared to yours the inductans is about 2 mag ...
14-5-2020 at 02:05
by: Twospoons
Birkland-Eyde focused only on Reactor Design for fast Cooling
As a reference point for your valve I use [url=https://clippard.com/products/electronic-valve-ev-o]t ...
13-5-2020 at 14:52
by: Twospoons
High Voltage with High Power for Birkland-Eyde reactor
I love seeing ppl do discrete designs like that - its becoming something of a lost art these days. I ...
7-5-2020 at 14:31
by: Twospoons
High Voltage with High Power for Birkland-Eyde reactor
Not spark gap - Solid state.

Like [url=https://www.stevehv.4hv.org/drsstcdesign/ISSTC_sch2.JPG]th ...
4-5-2020 at 13:19
by: Twospoons
High Voltage with High Power for Birkland-Eyde reactor
[rquote=635280&tid=155278&author=Sulaiman]designing and building a high voltage output switc ...
3-5-2020 at 15:04
by: Twospoons
High Voltage with High Power for Birkland-Eyde reactor
[rquote=635250&tid=155278&author=FranzAnton]ok thank you for your hint. I will stop posting ...
3-5-2020 at 01:50
by: Twospoons
High Voltage with High Power for Birkland-Eyde reactor
[rquote=635041&tid=155278&author=FranzAnton]
I took a lot of information also from highvolt ...
2-5-2020 at 14:41
by: Twospoons
diffusion pump oil diy alternative?
https://en.wikipedia.org/wiki/Brake_fluid ?

If you have drawings of your build I would love to se ...
30-4-2020 at 12:49
by: Twospoons
High Voltage with High Power for Birkland-Eyde reactor
You might also want to consider a short arc at high pressure.
I had an interesting experience with ...
29-4-2020 at 21:00
by: Twospoons
High Voltage with High Power for Birkland-Eyde reactor
[rquote=634982&tid=155278&author=FranzAnton]
So I want to get feedback from your side if it ...
29-4-2020 at 14:49
by: Twospoons
I need a non or low compressible fluid, thicker than water, that isn't corrosive to brass
Boil some cornstarch in water. Just like thickening a stew. You can get anything from very runny to ...
27-4-2020 at 13:07
by: Twospoons
Oxygen generator designs?
[rquote=633808&tid=155124&author=Junk_Enginerd]
A big headache for me that I haven't analyz ...
14-4-2020 at 21:25
by: Twospoons
Coronavirus pandemic model
[rquote=634047&tid=155170&author=SWIM]If it doesn't form new strains quickly like the flu it ...
14-4-2020 at 12:01
by: Twospoons
DIY C-virus masks. No politics, science only so we don't lose the thread again
[url=https://store.yujiintl.com/products/yujilights-handheld-uv-antibacterial-led-light]UVC led torc ...
1-4-2020 at 18:41
by: Twospoons
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