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Alpine Gunworks


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Thread: Rotary Tumblers - Cheap or best value

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  1. #1
    Member
    Join Date
    Jul 2013
    Location
    Tasman
    Posts
    1,890
    Quote Originally Posted by bay_lad View Post
    Thinking of making one of these baby formula tin models ! Was thinking of attaching it to my bench grinder but would be too much rpm
    Commercially sold ones run at around 40 odd rpm, a wiper motor driving a tumbling barrel with no extra gearing should yield around that.
    They also have heaps of torque.

  2. #2
    Member
    Join Date
    May 2017
    Posts
    7
    Shouldn't have throw away that old skateboard..

    Sent from my SM-G930F using Tapatalk

  3. #3
    Member
    Join Date
    May 2015
    Location
    New Zealand/Aotearoa
    Posts
    482
    bay_lad likes this.

 

 

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