Rework of the crankpin by lapping:
Fixtured on the lathe
Quick and dirty 2 piece OD lap.
So far I've removed the taper but introduced a bit of hourglass shape that needs correction, probably because my lap is a bit too wide. I'll mill it thinner before continuing.
![20230503_135152.jpg 20230503_135152.jpg](https://cdn.imagearchive.com/homemodelenginemachinist/data/attach/100/100747-20230503-135152.jpg)
Fixtured on the lathe
![20230503_135143.jpg 20230503_135143.jpg](https://cdn.imagearchive.com/homemodelenginemachinist/data/attach/100/100748-20230503-135143.jpg)
Quick and dirty 2 piece OD lap.
So far I've removed the taper but introduced a bit of hourglass shape that needs correction, probably because my lap is a bit too wide. I'll mill it thinner before continuing.