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HIGH RESOLUTION OPTICAL CRANKSHAFT ENCODER

L_Optical_EncoderI machined this with a rotary table, no CNC. If you look carefully, you can see the black disc mounted to the engine’s crankshaft, and a red ‘caliper’ with wires attached. The disc has 721 manually-drilled holes (you won’t see them). The system provided real-time crankshaft position data in .5 degree increments.

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