I guess your right,tought that I have benn doing it lie this for a long time and nothing happend.But i guess that it could hapen anytime so i will work again to make a ball mill.
Exactely what MDH said.I only used a mortar and a pestle.But because of my failiures of making a ball mill ,I decided to make a manual ball mill:in a half liter botle i placed 20 balls,and in I poured like 50 g of black powder.And I shaked it like 5-10 min and the powder i got out was as fast as the one made whit a mortar and pestle.
Oh,guys don't you think you are exagerating?My star roller machine is a 18 V car window engine,whit like 80 rpm ,on whitch I have screwed a tin can,and mounted it in a angle.It works great and it is easy to clean and use.
Tought I have a question:I use little sugar bals(like the ones on the cake) to make my stars and they work great.Now I ask you if it is better to use sugar balls instead of lead bals(like the ones used by united nuclear)?
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