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Lighting solid steel on fire with a propane torch
."Stainless steel burns if hot enough and burns good if oxygen is suppliedu)"


There are many di ...		 26-4-2024 at 03:49
by: yobbo II
The Short Questions Thread (4)

Thanks you folks.
Yob 		28-3-2024 at 05:43
by: yobbo II
The Short Questions Thread (4)
Could someone tell me what is meant by the feature on these true RMS meters?

AC + DC Measurement ...		 27-3-2024 at 13:58
by: yobbo II
Effect of confinement on low explosives



Ammonpulver is a smokeless propellant made from AN and charcoal used as a substitute for cordi ...		 27-3-2024 at 13:50
by: yobbo II
Inductor and capacitor for rectifier output filter

Thanks Twospoons,

Femm may not be too easy to learn? I don't know a whole pile about magnetics. ...		 7-3-2024 at 17:48
by: yobbo II
Inductor and capacitor for rectifier output filter

What would be the incremental permeability (IP) of the steel used in microwave transformers.
The ...		 7-3-2024 at 15:14
by: yobbo II
The Short Questions Thread (4)


Thanks bnull,

Perhaps the 'for christsakes' should be directed at my too!

I did notice th ...		 6-3-2024 at 10:05
by: yobbo II
The Short Questions Thread (4)

Can anyone tell me how this water pump, made from tubing and an air pump, works?

https://www.yo ...		 6-3-2024 at 08:02
by: yobbo II
Inductor and capacitor for rectifier output filter


"PPS in place of a normal transformer, "
What is a pps?

I have a multi meter, oscilloscope, ...		 22-2-2024 at 05:01
by: yobbo II
Inductor and capacitor for rectifier output filter


Firstly an MOT is a Microwave Oven Transformer!
I will be dismantling the transformer, removing ...		 16-2-2024 at 16:56
by: yobbo II
Inductor and capacitor for rectifier output filter

Can anyone point me in the direction of making filter circuits for the output of a 2 or four diode ...		 16-2-2024 at 03:40
by: yobbo II
Urea + potassium chlorate as an explosive.

Is it explosive? 		21-12-2023 at 16:56
by: yobbo II
Urea + potassium chlorate as an explosive.


What is this stuff?

https://pubchem.ncbi.nlm.nih.gov/compound/158017922

Yob 		20-12-2023 at 14:51
by: yobbo II
Mystery Glassware Identification Thread

Thanks for reply.
I though the piece with the air heat sink might be a diffusion pump but though ...		 16-12-2023 at 18:31
by: yobbo II
Step down adjustable buck converter for electrolysis
[rquote=689249&tid=81769&author=fx-991ex]current too high.[/rquote]

The page allows up to ...		 7-12-2023 at 05:35
by: yobbo II
Step down adjustable buck converter for electrolysis


Thanks TwoSpoons but

I put a design into the machine and it give me back a 'we cannnot do a d ...		 6-12-2023 at 09:28
by: yobbo II
Step down adjustable buck converter for electrolysis

Hello,

There are some rather LARGE smps at this link.

https://danyk.cz/index_en.html


As ...		 3-12-2023 at 17:13
by: yobbo II
Mystery Glassware Identification Thread

It's not glassware but I hope that is OK.

What is the extra stuff on this vacuum pump?

on eb ...		 1-12-2023 at 17:01
by: yobbo II
High Vacuum Systems

Thanks Bromic!!

 25-11-2023 at 07:04
by: yobbo II
High Vacuum Systems


If you keep looking cheap ones can appear.

There is one listed here:
The description states ...		 24-11-2023 at 04:48
by: yobbo II
High Vacuum Systems


See the belljar.net

https://www.belljar.net/

Yob 		23-11-2023 at 17:39
by: yobbo II
Sulfuric acid purification problems


If you want to know more with great detail get some (good soul) to get you this

https://pubs. ...		 16-11-2023 at 06:48
by: yobbo II
Solubility Chart

You cannot beat 'an old' line chart to compare solubilities IMO.

Another way to look up solubil ...		 16-11-2023 at 06:43
by: yobbo II
"Smart Burn": What's in it?
[rquote=688037&tid=159919&author=unionised]It's plausible that something like ammonium sulph ...		 19-10-2023 at 15:52
by: yobbo II
"Smart Burn": What's in it?


https://www.google.com/search?q=stuff+to+reduce+soot+in+chimneys&client=firefox-b-d&sca_ ...		 19-10-2023 at 04:40
by: yobbo II
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