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Alternative carbon to replace charcoal for black powder?
The pyrotechnic community have pretty much explored this to perfection, dig around and you'll find e ... |
5-2-2018 at 03:41
by: Fulmen |
Are you procedural or model driven?
You're right, it's the inertia that's the real point. But I prefer consistent models, so the water i ... |
5-2-2018 at 00:55
by: Fulmen |
Are you procedural or model driven?
Models doesn't have to fit into a larger universal system to be useful. For instance almost everythi ... |
4-2-2018 at 23:48
by: Fulmen |
Is propylene glycol as a circulating coolant compatible with a wide range of plastics(pump material)?
For specific applications, especially at elevated temperatures you should do a web search. But gener ... |
4-2-2018 at 23:26
by: Fulmen |
Alternative carbon to replace charcoal for black powder?
[rquote=506082&tid=80332&author=RogueRose]
-Could activated carbon possibly work better?[/r ... |
4-2-2018 at 23:19
by: Fulmen |
Are you procedural or model driven?
Definitively model driven. I learn by making mental models, usually mechanical. |
4-2-2018 at 04:48
by: Fulmen |
[Metalurgy] Homemade steel body armor
I would be surprised if shear thickening fluids alone would work. But in combination with a more tra ... |
3-2-2018 at 14:21
by: Fulmen |
[Metalurgy] Homemade steel body armor
I'm guessing AR stands for Abrasion Resistance, the number is the hardness in Brinell. Around here i ... |
2-2-2018 at 05:53
by: Fulmen |
[Metalurgy] Homemade steel body armor
5160 seems like a decent choice of material. I haven't studied HSLA much, they are a bit murky as th ... |
2-2-2018 at 01:17
by: Fulmen |
[Metalurgy] Homemade steel body armor
The prices modern pattern Damascus can fetch is mainly due to the look and the incredible craftmansh ... |
1-2-2018 at 02:10
by: Fulmen |
[Metalurgy] Homemade steel body armor
Ajoker: A bag of rocks will be better than nothing, but it won't be uniform in thickness/resistance. ... |
31-1-2018 at 14:31
by: Fulmen |
Calcinated oxides "reactivation"
It seems to be related to surface area, porosity and possibly crystal structure. But I have to admit ... |
24-1-2018 at 15:36
by: Fulmen |
Calcinated oxides "reactivation"
Basically it forms salts with acidic compounds (usually oxides). It probably won't work with MgO as ... |
24-1-2018 at 13:45
by: Fulmen |
Calcinated oxides "reactivation"
When I extracted cobalt from carbide tooling I started by heating it at appr 850°C to get the oxide ... |
24-1-2018 at 12:42
by: Fulmen |
Thermogravimetry
You will need to insulate the scale from any temperature variations. The simplest solution will prob ... |
19-1-2018 at 22:16
by: Fulmen |
Unconventional Shaped Charges
Sadly shaped charges are incredible costly and inefficient, they are only employed when no simpler m ... |
17-1-2018 at 07:55
by: Fulmen |
Unconventional Shaped Charges
As much as I approve of the solution I seriously doubt if it will be worth the effort. The chances o ... |
17-1-2018 at 06:39
by: Fulmen |
Fighting fire with fire
Melgar: Idunno. The term toxin implies toxicity, and while anything can be toxic in large enough con ... |
10-1-2018 at 00:16
by: Fulmen |
Fighting fire with fire
I think it's dishonest, distorting the term "toxic" into a meaningless definition. If everything is ... |
9-1-2018 at 13:38
by: Fulmen |
Found an old Aldrich catalog.
Could you check Zirconium powder, P.A? I managed to get my hands on a 100g tin around that time, mad ... |
6-1-2018 at 13:09
by: Fulmen |
[Metalurgy] Homemade steel body armor
He's a quitter, good riddance. |
4-1-2018 at 10:07
by: Fulmen |
[Metalurgy] Homemade steel body armor
[rquote=502368&tid=79432&author=joseph6355]
You will need to heat it to a red-orangeish col ... |
3-1-2018 at 12:48
by: Fulmen |
Proper tubing for vacuum - what works best?
Rigid rubber hoses used for gas and petrol usually work fine. I discovered the other trick while vac ... |
30-12-2017 at 13:14
by: Fulmen |
Proper tubing for vacuum - what works best?
You could try running a length of coarse rope through the tube. At high vacuum the flow rate is usua ... |
30-12-2017 at 04:57
by: Fulmen |
solubility of magnesium hydroxide
sclarenonz: Magnesium hydroxide is white. And the reaction between magnesium carbonate and hydrochlo ... |
30-12-2017 at 03:06
by: Fulmen |
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