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Depositing a layer of Cu on perlite
I would look into silver, it's less likely to leech out in harmful concentrations. And the standard ... |
25-6-2021 at 04:58
by: Fulmen |
Low effort DIY chemical productions
I think [b]mysteriusbhoice[/b] has the right idea. Sulfuric acid is a precursor to many restricted c ... |
19-6-2021 at 11:23
by: Fulmen |
The definition of a "detonation"?
[rquote=661318&tid=157491&author=Antiswat]you oftenly see plumes of NOx on tannerite videos, ... |
5-6-2021 at 01:32
by: Fulmen |
The Short Questions Thread (4)
I would say it depends on what you're after. If it's reaction speed it would probably be strong acid ... |
30-5-2021 at 00:34
by: Fulmen |
The definition of a "detonation"?
The biggest difference between a gas detonation and a solid detonation is energy density. Even with ... |
27-5-2021 at 04:52
by: Fulmen |
does flash powder make nitrogen dioxide when burning?
Indoor pyrotechnics are usually based on nitrocellulose due to health and safety. As the OP has noti ... |
25-5-2021 at 11:36
by: Fulmen |
The definition of a "detonation"?
[rquote=660449&tid=157491&author=Antiswat]now i remember that "detonation" velocity doesnt d ... |
25-5-2021 at 11:32
by: Fulmen |
composition B
This brings to mind a banquet of some sorts a while ago. I sat opposite a fellow that told that he h ... |
23-5-2021 at 13:40
by: Fulmen |
composition B
Well done! |
22-5-2021 at 11:38
by: Fulmen |
Does anyone have experience with silicon wafers?
http://sam.zeloof.xyz (same person as OP links to).
Boy do I stand corrected. This is incredible ... |
20-5-2021 at 05:57
by: Fulmen |
Does anyone have experience with silicon wafers?
This is pretty much the limit for DIY semiconductors: https://en.wikipedia.org/wiki/Crystal_detector |
19-5-2021 at 22:47
by: Fulmen |
book about amateur rocketry
Very nice find, I'm taking notes :-) |
23-4-2021 at 22:58
by: Fulmen |
Distinguishing between coatings and surface treatments
The shiny surface looks like regular machined aluminum to me, possibly anodized. The dark one could ... |
18-4-2021 at 23:06
by: Fulmen |
oh my god! 2900$ for a mortar???
[rquote=658261&tid=157291&author=Morgan]
https://phys.org/news/2016-07-lab-titanium-gold-al ... |
16-4-2021 at 09:51
by: Fulmen |
oh my god! 2900$ for a mortar???
First off: Forget about titanium, it's not the solution even if the cost isn't an issue.
And it' ... |
14-4-2021 at 10:44
by: Fulmen |
home made rocket fuel.
[rquote=657603&tid=11583&author=Pyro_cat]Every rocket even NASA, everyone gets far away from ... |
13-4-2021 at 12:19
by: Fulmen |
oh my god! 2900$ for a mortar???
Titanium might be abundant, but the refining process (Kroll) is exceedingly inefficient and therefor ... |
13-4-2021 at 12:02
by: Fulmen |
oh my god! 2900$ for a mortar???
Steels can work harden too you know. The workhorse of the industry, Ti6Al4V, has an ultimate tensile ... |
13-4-2021 at 11:37
by: Fulmen |
oh my god! 2900$ for a mortar???
Titanium would be a poor choice for a mortar. Contrary to common belief titanium isn't particularly ... |
13-4-2021 at 07:12
by: Fulmen |
Need to make some kind of liquid lubricant for brass/steel contact
Zed: The case lube must be removed before firing either way. And the gun should be cleaned after use ... |
12-4-2021 at 12:41
by: Fulmen |
Need to make some kind of liquid lubricant for brass/steel contact
Lanolin has been used for ages, that's not by chance. Can be used neat or mixed with petroleum jelly ... |
12-4-2021 at 11:38
by: Fulmen |
Filter madness
That was really the size I was looking for, but I'm glad I found these. |
5-4-2021 at 09:49
by: Fulmen |
Filter madness
Sorry, I forgot to specify "coffee filters". And they aren't 200mm they are 460mm when flattened. |
4-4-2021 at 13:12
by: Fulmen |
Sulfur in my KCLO3 flash - Do I need it ?
There are a few legitimate uses for chlorate/sulfur compounds. I have used it for match heads myself ... |
4-4-2021 at 13:08
by: Fulmen |
Filter madness
I needed a better supply of large filter paper, so I found a shop with those basket style coffee fil ... |
4-4-2021 at 11:08
by: Fulmen |
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