UAV propeller design

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Are there any ideas for designing a UAV propeller 
Matthew Holling
I would recommend looking at NACA or NASA airfoil geometries which are free to download. You will need to import the geometry as a DXF into your CAD program. I would also research which geometries provide the lift and CFD properties you are looking for.  You can model the Chamber curve in CAD using the Helix or Spiral Curve geometry tool in Solidworks or if your running Autodesk Products it is referred to as a helix
Lukas Flenner
As Matthew said, NACA airfoils is where you could start. If you would like to design your propeller from scratch or would even like to go as far as designing a ducted fan for your UAV, here are some links to free online tools:

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