https://peertube.fr/c/o_leave_channel/videos Mon, 13 Apr 2026 09:06:39 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://peertube.fr https://peertube.fr/client/assets/images/icons/icon-1500x1500.png https://peertube.fr/c/o_leave_channel/videos All rights reserved, unless otherwise specified in the terms specified at https://peertube.fr/about and potential licenses granted by each content's rightholder. https://peertube.fr/feeds/podcast/videos.xml?videoChannelId=3353 https://peertube.fr/w/9Anokf1fNHJgbg4GpTNe9k https://peertube.fr/w/9Anokf1fNHJgbg4GpTNe9k Thu, 21 Feb 2019 21:19:04 GMT Test of an oval bicycle chainring. Design is based on an (old) O'Symetric patent reverse engineering. Manufacturing is done with a water jet cutter, cheaper than CNC milling. Precision is acceptable.

]]> Main o_leave channel Science & Technology nonadult OVale30HD Test of an oval bicycle chainring. Design is based on an (old) O'Symetric patent reverse engineering. Manufacturing is done with a water jet cutter, cheaper than CNC milling. Precision is acceptable.