8040 Propeller Optimized for Printing, V1.0
thingiverse
Redesign your 8040 printable propeller with a 5.5mm bore, ensuring a minimum cross-section of 0.8mm for easier printing albeit with reduced efficiency. The propeller requires support on one edge, making it simple to remove. If you need different center hole diameters, kindly request and allow time due to my busy schedule. Check out this video (http://www.youtube.com/watch?v=v6yClT12Ges&feature=plcp) of the propeller on a motor. I'm also working on a 5030 prop for flight testing. Printing instructions include using 2-3 shells, 100% fill, and a layer thickness not exceeding .2mm (I used .17mm with great results). An extrusion width of .4mm is recommended as well. Enable support material and print from PLA to avoid ABS's thermal contraction issues that may lead to warping or cracking. After printing, remove supports, ream the hole to 13/64", and sand edges. The propeller feels sturdy and durable like a bought one (untested in crashes). Various orientations and CW/CCW pairs are available for easy printing.
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