5 blade hub for helice tripale repliable folding propeller
thingiverse
Downloaded the 3 blade hub and thought it didn't have enough blades. I recommend using the reversed blades here: https://www.thingiverse.com/thing:2626565 since the source ones fold the wrong way. Haven't actually flown with it yet, but have just spun it while holding the motor and it produces a fair amount of pull. The hub is literally the exact same as source, just with 2 extra slots. 3mm centre hole with 2.2mm pin holes for the blades, i found that ground down nails fitted in them perfectly and tight. I can add more blades on request :^) (edit: should probably make some sort of propeller cone for it, its kinda big and flat.)
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