Flexible Propeller Hub (TPU 3D Printed)
grabcad
Single-piece triblade propeller hub for 5" size quadcopter blades. 3D printable with TPU.Static Test: Sainsmart TPU, DALprop T5040C blades, on a 2835 1160kv motor, 4S (~16v) LiPo battery.Results: Potential success at around half throttle. Failure at full throttle (see last photo). See the linked video for more information.WARNING: Use this design only AT YOUR OWN RISK. This is a very rough prototype. Flexible 3D printable materials will likely NOT be strong enough to hold the propellers together during rotation.
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