It's fairly easy once you know what bearings and pulleys you need. The difficult part is finding someone to build the drum.
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Attachment 10255
Try this. It's a disposable refrigerate can. All refrigeration places use and throw these away. If your in CPT I can hook you up.
I bagged one of those cans a while ago.
It would be great if we can get stainless media in SA.
http://www.sinclairintl.com/reloadin...prod42858.aspx
Delivered to you in 2-3 weeks
I ordered stuff from them a couple months ago and i think shipping with US post office was something like R190 and it was a big heavy boks full off stuff.
Import duties was R230 on the total of around R4000 that i paid for the stuff, so on R500 for the media you will pay around R60-R80 for duties at the post office as well