Maxim Posted October 26, 2015 Posted October 26, 2015 This BP is homemade. Ballmilled in my ballmill ( you can find the video of me homemade ballmill on my channel, it's called "ШМ - 3". ). The experiment was safe, all burning mixes were put far far away. I also tested my BP on my finger nail before doing this experiment. I used alder charcoal for my BP, the KNO3 was from a fertilizer ( did not clean it at all ). Granuls are about 0.5 mm. Granulated through a screen, no pressing or stuff like that. I added 2% of potatoe dextrin to my BP before granulation. This BP is very fast! It feels like warm-hot water actually. Do NOT repeat this experiment! Be safe!https://m.youtube.com/watch?v=lgUsB1MMSlo 1
Ubehage Posted October 26, 2015 Posted October 26, 2015 That's some fast burning BP!Good to have, when you come home after a cold winter's day and you forgot the gloves 1
Maxim Posted October 26, 2015 Author Posted October 26, 2015 Exactly! It will make your hands warm and coozy thats for sure! PS: I used this BP for lifting 2" shells and 10% of BP seems to be even too much! I am making stars for my first 3" shells right now. 1
Seymour Posted October 26, 2015 Posted October 26, 2015 Ha ha ha ha! I also tried something like this. Lighting a grain of BP on a finger nail is great, and is like a momentary kiss of friendly warmth. On skin, at least with the grain I used, the kiss of warmth was less friendly and had a sharp bite and a small crater was formed from the little burn, which caused more pain than the burns you get from high MgAl stars, which seem to silence nerves to a large extent. I was put off a little from this, but now I see that what I needed to do was use better powder or perhaps finer granulation. Do NOT repeat this experiment! Be safe!Indeed I think it should be noted that to all reading this, lighting BP on your skin is inadvisable, and if you decide to do it, even though you can do it without injury if your BP is as good as Maxim's, you need to be crazy enough to willingly accept the very high chance of a small burn. I know I am on the odd occasion willing to get a second degree burn 'for science' so long as it is under a square centimeter, but I may not be in the majority here.
PIL Posted October 26, 2015 Posted October 26, 2015 The BP residue will stink your hand due too the hydrolysis of K2S.
Sparx88 Posted October 26, 2015 Posted October 26, 2015 I would like to see 1 gram on a 4" square peice of white paper lit with an incense stick please
gregh Posted October 26, 2015 Posted October 26, 2015 Awful demanding there Sparx... should it be lit with the left or right hand?
dynomike1 Posted October 26, 2015 Posted October 26, 2015 Well there's one quart of Vodka nobody will drink. Pretty fast
Peret Posted October 27, 2015 Posted October 27, 2015 Awful demanding there Sparx... should it be lit with the left or right hand? Demanding, but proper. This is a repeatable test. Good powder will barely mark the paper.
Maxim Posted October 27, 2015 Author Posted October 27, 2015 I have the video of it on a russian kinda Facebook, i will give you the link to it.
taiwanluthiers Posted October 28, 2015 Posted October 28, 2015 In Soviet Russia, black powder lights YOU!!!
braddsn Posted October 30, 2015 Posted October 30, 2015 Maxim awesome video! I like it, and that is some fast bp!
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