to grind lumps into a powder take a glass cup with concave bottom, press it down into pile of hard lumps, then move your hand in circular motion while continuing to press downwards the circular motion for some reason obliterates super hard lumps, but its important the cup is concave so it concentrates the pressure along with the circular motion as chemist ive dealt with lumps for many years, coffee grinder, redissolving, hammer etc, but the cup+circular motion breaks anything

You could try adding a bit of carbon, as making the mixture darker can let it react more quickly by absorbing heat to initiate further reaction efficiently (one big advantage of black powder). Ofc oxygen balance should be adjusted to still be optimal.

This is similar to 'Cocoa Powder'...a sulfur-free gunpowder used by the French Army. Potassium nitrate and lightly charred grape-vines. The product has a light brown color, hence the name. Sometimes called Brown or Prismatic powder.

В общем, в статическом тесте, т.е. насыпью: Cr2O3 эквивалентен Fe2O3, но некоторые гранулы не подожглись и разлетелись в разные стороны. С Ni2+ больше похоже на карамельное топливо, чем на вышибной состав. MnO2, Co2+ также не показали хороших результатов. Из оксидов железа лучше всего себя показал смешанный оксид Fe3O4. На меди отлично себя показывал состав (добавлял гидроксокарбонат в качестве катализатора), даже быстрее был, чем на железе 3+. Только вопросы к стабильности при хранении - вероятно, медь 2+ будет восстанавливаться аскорбинкой до меди 1+ при изготовлении, но на воздухе медь +1 не то, чтобы устойчива. Так что трудно спрогнозировать, насколько хорош будет "полежавший". Замена катализатора углём с добавкой нитрата до стехиометрии, как ни странно, почти не добавляет искр, а сгорает примерно как с оксидом железа 3. С ПАП горит быстро, но в некоторых местах температуры хватает, чтобы прожечь бумагу На сере вместо катализатора не так резво горит, как с Fe2O3, но безсопловик, в котором я попробовал использовать его в качестве ракетного топлива, взорвался на старте, чего не происходило с МП

@NinjaChemistChannel

Ай бұрын

Это ты на сахаре тестировал?

@ChimeraChemLab

Ай бұрын

@@NinjaChemistChannel Аскорбиновая кислота

@ChimeraChemLab

Ай бұрын

@@NinjaChemistChannel И да, я развлекался тем, что делал безсопловые ракетки на малиновом порохе, просьба не осуждать)

@NinjaChemistChannel

Ай бұрын

Ясно. По поводу Fe3O4 и меди интнресно. Надо будет попробовать. Врядли я правда буду делать ещё одно видео по данному составу, так для себя побалуюсь.

@NinjaChemistChannel

Ай бұрын

Надо подумать как скорость горения нормально измерить.

Eyo our presidents helicopter just crashed into bear infested jungles

Радує,що канал ожив)

👍

What if you add a bit of sulfur as an accelerant ?

@mrhappyface4181

Ай бұрын

Sulfur doesn't function like an accelerant, it functions as a discount card. Whatever can light will light for cheaper energy cost when sulfur is added. Doesn't work here. The activation of potassium nitrate with this preparation requires no lowering of activation cost, you'd be making the mix as unstable as a ZnS micrograin mix. There's enough oxidizer and fuel, and there's no issue with initial activation. If you want an accelerant while mucking around with sannadex (That's what you're making here) you want fine-mesh aluminium powder (light works well, have not personally tested dark). This is what will dramatically increase the burn rate. 1-1.5%, added like the rust. In rocketry, aluminium trades burn time for dramatic increase in burn speed / peak pressure. Pressure risks cause explosion risks. Mind your fingers and your face.

@papanyanz

Ай бұрын

@@mrhappyface4181 I can only say that one knows only when one tries, sulfur role might be very complicated in pyrotechnic mixtures , usually connected to different phenomena like - a flux, a fuel, an oxidizer, it can react with organic matter to generate H2S therefore gas transport reactions, it can make acidic gases thus helping nitrates to react easier, it can bind with metal ions freeing up more oxygen, etc,etc... So exact effects on speed of reaction can only be seen experimentally.

@mrhappyface4181

Ай бұрын

@@papanyanz You aren't using it to make gasses, it isn't used as a fuel, it isn't used as flux, the acidic excretions destabilize the mix and make it incredibly unsafe for storage, and KNO3 doesn't require the activation discount to free up O2. Sulfur can be complicated. However, here it isn't. It just ends up grabbing to the sugar, burning slowly, and smelling awful. Experiment away, and get back to me. If you can find a practical use for sulfur addition to KNO3/Sugar mixes: I'd be happy to listen.

@papanyanz

Ай бұрын

@@mrhappyface4181If I'm not mistaken there's some investigation on the catalysts for rocket candy fuel at Richard Nakka's website, including sulfur.

@mrhappyface4181

Ай бұрын

@@papanyanz None of them mix sulfur and sugar. I guess the guy you read isn't intellectually impaired. Try to imitate that, if you're not capable of naturally replicating such a phenomenon.