Making probe for PCP chamber Fund my projects: This video is part 2/2 of making my PCP Chamber. Making a probe with a ball shape at the end using a simple technique on a mini lathe and a drill. Note: This video is for educational and entertainment purposes only. Do not emulate or copy anything you see in this video. LATHE used in the video: MINI Lathe 7x16 800W (Europe and USA link): Asia link: