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Kim. Ben, Per; thanks for your comments. Thanks also for those who take the time to stop by to see the latest.Between the Physical therapy for my knee and the reduced shop time the knee demands, progress has been slowed. I still am getting in some shop time though. Last week brought another wrinkle; the VFD on my mill surrendered to age and refused to deliver a reliable, constant spindle speed on the mill.I found a replacement and purchased and installed it. I still need to set up an on/off switch at the mill (as opposed to using the start/stop function on the new VFD mounted to the wall) but that will require some step-ladder work and I’m not too keen on addressing that till the knee gets a bit better. The on/off function on the VFD will work for now.I show the progress below. This is a photo of the completed gear train that will drive the cam disks. The cam disks will attach to the center gear on top of the stack. (need to drill some mounting holes for the cam disks yet).I also made a “false” front for the engine case. There is a bearing in the front of the engine case that stabilizes the front of the crankshaft extension. With a solid crankcase front it would be impossible to observe the cam disks and cam rockers to verify their operation. I made this ‘temporary’ front for the engine so I can ‘look in’ and verify that everything is functioning as designed.