JGA25-370 Motor Housing for fischertechnik
Description
Housing for JGA25-370 DC motor with centric shaft for fischertechnik The end caps can be used for both the (eccentric) ZGB25RP and (centric) JGA25-370 DC motors. The fischertechnik plugs directly contact the small brass lips on the motor, but the cap can also be used if you solder the wires on. The heights of the gear boxes differ slightly. Almost all RPM's I tried (100, 150, 300, 360, 400, 500) are best covered with the 13mm end cap, but the gear box on the 22 RPM ZGB25RP tend to be 2 mm higher, so use the 15mm variant for that one if you want to close the gap. UPDATE april 2022: There seem to be slight differences in dimensions for the motors. My JGA25's (although different batches/orders) have a diameter of 24.45 mm, but the gearbox is slightly bigger (24.8 mm). In my case this still fitted snugly (with just modest force) in the 25mm inner hole. But I was told that some motors of the same type will just don't fit without manually sanding the inner hole. Just in case I added a STL with an inner hole of 25.1 mm and 'smoother' segmented (128 in stead of just 32) resolution.
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