How Can I Motorize a Lazy Susan to Rotate at 20-30 RPM?

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SUMMARY

The discussion focuses on motorizing a lazy Susan to rotate at a speed of 20-30 RPM while supporting a weight of approximately 7 pounds. Initial suggestions included using an old record player, which was deemed unsuitable due to RPM fluctuations, and a fan, which was too fast and unable to support the weight. Participants are seeking alternative methods to achieve the desired rotation speed and stability for the lazy Susan setup.

PREREQUISITES
  • Understanding of rotational mechanics and weight distribution
  • Familiarity with electric motors and their RPM specifications
  • Basic knowledge of DIY electronics and assembly techniques
  • Experience with weight-bearing structures and materials
NEXT STEPS
  • Research suitable electric motors that can maintain 20-30 RPM with a load of 7 pounds
  • Explore gear reduction techniques to lower RPMs effectively
  • Investigate the use of Arduino or similar microcontrollers for speed control
  • Look into alternative designs for lazy Susan mechanisms that enhance stability
USEFUL FOR

This discussion is beneficial for DIY enthusiasts, hobbyists in robotics, and anyone interested in mechanical engineering projects involving rotational devices.

konaandcooper
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I know this is a weird question but hey...here it goes. I assume everybody here knows what a "lazy susan" is. I want to find a way to power a "lazy susan" (or something along those lines) so that it revolves at a rate of approximately 20 -30 rpm.

I have an item that needs to rest on the lazy susan which weighs approximately 7 pounds. I originally thought about using an old record player because I knew I could get the RPMs to hold at 33 rpms. The rate of the Rpms can fluctuate.

The record player idea just isn't going to work. I then thought of using a fan which tilts 90 degrees and gluing a plate to the top, but it spins way to fast and cannot really support 7 pounds for an extended period time.

Does anybody here have an idea as to how I might accomplish this task?

Thanks in advance guys.
 
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konaandcooper said:
I know this is a weird question but hey...here it goes. I assume everybody here knows what a "lazy susan" is. I want to find a way to power a "lazy susan" (or something along those lines) so that it revolves at a rate of approximately 20 -30 rpm.

I have an item that needs to rest on the lazy susan which weighs approximately 7 pounds. I originally thought about using an old record player because I knew I could get the RPMs to hold at 33 rpms. The rate of the Rpms can fluctuate.

The record player idea just isn't going to work. I then thought of using a fan which tilts 90 degrees and gluing a plate to the top, but it spins way to fast and cannot really support 7 pounds for an extended period time.

Does anybody here have an idea as to how I might accomplish this task?

Thanks in advance guys.

Welcome to the PF.

Is the 7 pound object centered on the axis of rotation, or is it out near the edge of the plate? Why did the record player not work?
 
It will be centered. As far as the record player not working...it probably would have, but that solution has been taken off of the table for reasons which would take too long to explain.
 

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