Posted 25 May 2003 - 05:19 PM
Let me know when you managed to produce some good charcoal
You can U2U if you need advise.
When producing Charcoal I usually target trees, which I know are abundant near my house. While Willow will produce very fast burning charcoal ? lots of other trees will do very nicely. Many of the masters of fireworks science stress that all charcoal got place in pyrotechnic. Hardwood charcoal ? especially larger mash, produce superior sparks then some of the soft woods.
For many years I used to make charcoal using scott-pine. I had a forest near my house and as the winds come in hard winters and some of the wood fell, nobody was bothered when I come and cut many branches down. I can happily report that pine can produce very fast burning charcoal.
Another point that I wish to make regards to buying charcoal. In the USA I had experimented with charcoal that come from the same supplier over a period of couple of years ? and I can guarantee that the quality was NOT the same from batch to batch. In recent years many producers have to adapt to cheaper prices and dropping demands ? and will get the wood for the charcoal from different suppliers. As such ? if you have a forest of the same tree type near your house ? and you record your charcoal making process ? you might discover your batches to be more consistent then the commercial ones. Also, there is that joy of experiment ? sometimes a lovely pitch black perfectly made airfloat charcoal, is more wonderful the a five inch multi-colour shell. And then again ? it just might be me
Posted 26 May 2003 - 07:58 AM
Posted 26 May 2003 - 10:33 AM
Posted 26 May 2003 - 07:54 PM
Posted 27 May 2003 - 12:09 AM
I understand this to be a superior method.
Posted 27 May 2003 - 11:58 AM
Posted 27 May 2003 - 01:30 PM
It works, but also got it's disadvantages. First, the bag will tear, but if you lucky all the crashed charcoal will be still hidden amount the sheets of paper rather then on the ground or in the air. Second, you don't get the same fine powder as the one you get using a grinder. It will take more time to ball mill it to perfection.
My best advise - wear black?
Posted 27 May 2003 - 01:42 PM
Posted 27 May 2003 - 03:01 PM
Originally posted by Pyromaster2003
ok i think i may try it then. i dont have a ball mill yet but i will get one soon from http://www.manchesterminerals.co.uk/. i currently use a pestel and mortar to slowly grind my BP, by the end of grinding only 50 grams i have blisters:(. i may try a coffee grinder to powder charcoal aswel. Thanks Big G.
Pyromaster. Even after using the bag and brick method, you will need ball mill to get it airfloat.
What model are you going to buy? Let me know if it works
Posted 27 May 2003 - 03:06 PM
i was going to get the Evans Junior Rock Tumbler with one single barrel. im going to get the milling media from UN aswel, unles there is some place in the UK to buy them? il keep you posted;)
Posted 27 May 2003 - 03:15 PM
That was until I cracked my pestle and discovered it was hollow and full of water.
I crush charcoal by hammering it in folded sheets of newspaper with really strong PVC tape. Hammering it a thousand times or so makes it real fine powder.
[Edited on 27-5-2003 by PanMaster]
Posted 27 May 2003 - 03:22 PM
Posted 27 May 2003 - 10:29 PM
I know of a terrific web site where these can be obtained if Mr. Honcho and other noteables think it's OK for me to post it here.
Posted 28 May 2003 - 01:59 AM
The ball mills available at the click here website are top notch. Real quality to be sure. Will run for a gazillion hours is my guess.
The idea with the plastic jar is to MINIMIZE the confinement should the worse case scenario happen. In other words it will pop the lid off. The difference between 1 gram of flash powder ignited in a pile in the open air and 1 g of flash in a good solid cardboard tube with both ends plugged. CONFINEMENT is the key word.
Otherwise milling indivdual chemicals(one at a time) seems rather safe to me. Great way to grind up anything. Robert Johnson reminded us somewhere around here that the milling media should not be cross contaminated. It absorbs KCLO3 and retains it in the media(porous) and if you go bouncing the same media around with a BP comp. you are asking for trouble.
Manufacturing these things even in small quantities is still a dangerous undertaking. You, me and the others are foolish to think otherwise. Goex among many other very fine fireworks manufacturers have had BAD accidents. SH** happens. Plain and simple.
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