Found 3 3D-models for “efficient propeller” across many websites

#mini#small#150#ducted#prop#thrust#static#250#quad copter#limit switch
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updated 3" inch pusher duct quadcopter plane and carbon frame add on

updated 3" inch pusher duct quadcopter plane and carbon frame add on

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Stag, mini quadcopter pusher duct sub 250g 150mm ducted 3" inch

Stag, mini quadcopter pusher duct sub 250g 150mm ducted 3" inch

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DJI Air 2S Toroidal Propeller V3.1 Inspired by MIT

DJI Air 2S Toroidal Propeller V3.1 Inspired by MIT

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