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Simple RPM meter
by 3Daniel3
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Hi,
This is a simple mechanical RPM meter I build and improved.
It uses a worm gear set with a high transmission ratio (1:50) in order to count revolutions.
All parts are designed with a rather high clearance in order to ensure that all moving parts run freely and don't influence the measurement.
The (friction) couplers for inner and outer diameters work, but are not ideal, because I wanted a 100% 3D printed object.
HOW TO MEASURE:
-Hold the device with respective coupler against a
This is a simple mechanical RPM meter I build and improved.
It uses a worm gear set with a high transmission ratio (1:50) in order to count revolutions.
All parts are designed with a rather high clearance in order to ensure that all moving parts run freely and don't influence the measurement.
The (friction) couplers for inner and outer diameters work, but are not ideal, because I wanted a 100% 3D printed object.
HOW TO MEASURE:
-Hold the device with respective coupler against a
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