Propeller Holder (7x4x3, 14mm OD hub)
thingiverse
This is a holder for four triblade propellers. I have only tested it with 7x4x3 HQProp Durable propellers, but it may work for others. It is designed to fit propellers with a hub measuring 14mm OD and will fit 30mm of height (4 X 7.5mm tall props in my case) It can be affixed with glue or with a #6 flathead screw using the center hole. My use case was to attach these to a pelican case lid, so there are small cutouts to improve adhesion and a screw hole. I used a #6 x 3/8" screw for this.
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