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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 |
"Smart Burn": What's in it?
Fake claims. |
18-10-2023 at 21:29 by: yobbo II |
The Short Questions Thread (4)
I cannot get the =MOD(Ax, 1xxx) to work as the sheet gives an error. This must be a bug?
Bot ... |
18-10-2023 at 14:46 by: yobbo II |
The Short Questions Thread (4) Thanks alot B(a)P,
That was exactly what I needed.
There is still a small problem but only a sma ... |
17-10-2023 at 13:21 by: yobbo II |
The Short Questions Thread (4)
Hello,
Not too sure if this is appropriate here .. but
I am trying to sort a spread sheet on ... |
16-10-2023 at 16:04 by: yobbo II |
The Short Questions Thread (4)
This case is now closed 
B = UoH + UoM
UoM = B - UoH
Divide both sides by H
... |
3-10-2023 at 16:52 by: yobbo II |
Crystal Growing
Perhaps an untra-violet light would help with the microbes?
Yob |
22-9-2023 at 06:01 by: yobbo II |
The Short Questions Thread (4)
Maths leg up required (get out the spoons)
Can anyone tell me how to get from line 1 to line 2 ... |
21-9-2023 at 11:35 by: yobbo II |
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