Boat Propeller 20cm,13cm and 10cm diameter, 10mm shaft
Description
Boat Propeller I designed to electrically drive my canoe. It can be driven with a battery drill. Edit: /* To clear things up a bit. 100.3mf is a propeller with 20cm diameter and a hole for a shaft with 10mm diameter. scale66.3mf is a propeller with 20cm as well and a hole with 15mm diameter. NEW Model: 13cm_10mm_flat.3mf has 13cm diameter and 10mm shaft, it is a bit flatter and has a less “aggressive” angle. Better for low torque and higher RPM motors. 13cm_10mm_flat.3mf needs support. NEW Model 2: Parametrised_MK7_10cm_10mm_flatter.3MF 10cm diameter 10mm shaft; Scale any of them to fit your needs ;-) */ There is a version with a 15mm hole that can be scaled down to 66,67%(scale66.3mf) in the slicer to get the 13cm diameter propeller with a 10mm hole. Or you scale down the 20cm(100.3mf) one to 60% to use it with a 6mm shaft. Use M5 screws to fix on the shaft. The print time indicated is for the 66% version. The smaller version is easier to handle and more adequate in size for a small canoe, however it needs higher rpm (+-2000rpm) to work well.
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