I figured I would make a vibratory tumbler. Cost was very low and some shop time. I will be improving the design at some point but so far I have been using this thing with good success.
Here is a video of its construction.
So did you damage 1 of the vanes oon the muffin fan to mage it out of balance?
I have several of them running around the house silently moving air and none of them show the least bit of vibrations
Never try to tell me it can't be done
When I have to paint I use http://kbs.justoldtrucks.com/
Nice one. About a year ago I planned to build something similar but I did not think that I had a suitable motor and I built a rotary tumbler instead. I have a ton of those computer fans but it never occurred to me to use one of those.
I also have the same question as Frank S regarding balance and vibration.
My rotary tumbler is very noisy and I might revisit a vibratory version like yours.
The fan was set out of balance using a nut/bolt through one of the blades, the plate ontop is to reduce drag in the fan by blocking airflow. This thing is fairly silent. If you notice the spool was used as a spring as well. This design has 4 dampening sections. Feet/first level spool/second level spool/springs. The result is that even in a hard surface there is no resonance at all.
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