Relatively Speaking about Relative Compression [E155]

Matt Fanslow leads an in-depth discussion focusing on electric motor current and relative compression tests.

Show Notes

• ACCESS PICO FILES: https://bit.ly/3NgSdvO
• Overview of Electric Motor Current (00:00:11)
• Pico Scope Software (00:01:23)
• Understanding Waveforms (00:02:25)
• Setting Up Current Probes (00:04:09)
• Disabling the Fuel System (00:06:14)
• Configuring the Oscilloscope (00:07:18)
• Testing Current Consistency (00:10:35)
• Application to Other Electric Motors (00:12:55)
• Interpreting Waveform Patterns (00:16:13)
• Relative Compression Test Overview (00:17:25)
• Interpreting Waveform Peaks (00:18:34)rs.
• Identifying Global Compression Issues (00:19:54)
• Using Amplitude Cursors (00:21:04)
• Diagnosing Ignition Timing (00:24:23)
• Visual Confirmation of Cylinder Count (00:26:33)
• Identifying Misfiring Cylinders (00:27:38)
• Analyzing Low Compression Waveforms (00:30:06)
• Understanding Air Spring Effects in Engines (00:34:04)