Cannons versus Pipes
#78
(31-01-2026, 08:41 PM)Bernd wrote: You are not allowed to view links. Register or Login to view.Can someone tell me what the diagrams are about?
Image seven looks like an attempt to illustrate the perpetual-motion concept known as an You are not allowed to view links. Register or Login to view..  Leonardo da Vinci was certainly not the first to propose it, but the rolling-ball variant is nowadays associated with his notebook sketches.  This version is from You are not allowed to view links. Register or Login to view.:
   
How reckless not to have included a braking mechanism!
[+] 2 users say Thank You to obelus for this post
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Messages In This Thread
Cannons versus Pipes - by Mark Knowles - 05-10-2019, 03:55 PM
RE: Cannons versus Pipes - by Mark Knowles - 05-10-2019, 04:09 PM
RE: Cannons versus Pipes - by RobGea - 05-10-2019, 04:14 PM
RE: Cannons versus Pipes - by Mark Knowles - 05-10-2019, 04:27 PM
RE: Cannons versus Pipes - by ReneZ - 05-10-2019, 04:29 PM
RE: Cannons versus Pipes - by Mark Knowles - 05-10-2019, 04:34 PM
RE: Cannons versus Pipes - by ReneZ - 05-10-2019, 04:39 PM
RE: Cannons versus Pipes - by Mark Knowles - 05-10-2019, 04:46 PM
RE: Cannons versus Pipes - by RobGea - 05-10-2019, 04:42 PM
RE: Cannons versus Pipes - by Mark Knowles - 05-10-2019, 04:52 PM
RE: Cannons versus Pipes - by -JKP- - 05-10-2019, 05:05 PM
RE: Cannons versus Pipes - by Mark Knowles - 05-10-2019, 05:10 PM
RE: Cannons versus Pipes - by Koen G - 05-10-2019, 05:32 PM
RE: Cannons versus Pipes - by Mark Knowles - 05-10-2019, 05:45 PM
RE: Cannons versus Pipes - by -JKP- - 05-10-2019, 06:13 PM
RE: Cannons versus Pipes - by bi3mw - 05-10-2019, 06:37 PM
RE: Cannons versus Pipes - by Monica Yokubinas - 05-10-2019, 06:45 PM
RE: Cannons versus Pipes - by pjburkshire - 08-05-2024, 04:51 PM
RE: Cannons versus Pipes - by nablator - 08-05-2024, 05:29 PM
RE: Cannons versus Pipes - by Monica Yokubinas - 06-10-2019, 01:02 AM
RE: Cannons versus Pipes - by -JKP- - 06-10-2019, 04:11 AM
RE: Cannons versus Pipes - by Stephen Carlson - 06-10-2019, 09:23 AM
RE: Cannons versus Pipes - by RenegadeHealer - 06-10-2019, 10:56 AM
RE: Cannons versus Pipes - by Monica Yokubinas - 06-10-2019, 12:10 PM
RE: Cannons versus Pipes - by bi3mw - 06-10-2019, 01:16 PM
RE: Cannons versus Pipes - by -JKP- - 06-10-2019, 01:32 PM
RE: Cannons versus Pipes - by bi3mw - 06-10-2019, 01:49 PM
RE: Cannons versus Pipes - by Aga Tentakulus - 06-10-2019, 02:59 PM
RE: Cannons versus Pipes - by -JKP- - 06-10-2019, 03:23 PM
RE: Cannons versus Pipes - by Koen G - 06-10-2019, 03:37 PM
RE: Cannons versus Pipes - by Wladimir D - 06-10-2019, 04:43 PM
RE: Cannons versus Pipes - by bi3mw - 06-10-2019, 05:25 PM
RE: Cannons versus Pipes - by -JKP- - 07-10-2019, 04:05 AM
RE: Cannons versus Pipes - by Monica Yokubinas - 07-10-2019, 01:07 PM
RE: Cannons versus Pipes - by RenegadeHealer - 08-10-2019, 02:31 PM
RE: Cannons versus Pipes - by Monica Yokubinas - 08-10-2019, 04:54 PM
RE: Cannons versus Pipes - by Davidsch - 08-10-2019, 11:12 AM
RE: Cannons versus Pipes - by bi3mw - 08-10-2019, 11:53 AM
RE: Cannons versus Pipes - by -JKP- - 08-10-2019, 02:17 PM
RE: Cannons versus Pipes - by -JKP- - 10-10-2019, 06:08 AM
RE: Cannons versus Pipes - by Koen G - 10-10-2019, 07:10 AM
RE: Cannons versus Pipes - by -JKP- - 10-10-2019, 07:22 AM
RE: Cannons versus Pipes - by -JKP- - 10-10-2019, 07:53 AM
RE: Cannons versus Pipes - by Koen G - 10-10-2019, 08:58 AM
RE: Cannons versus Pipes - by -JKP- - 10-10-2019, 09:22 AM
RE: Cannons versus Pipes - by R. Sale - 08-05-2024, 05:55 PM
RE: Cannons versus Pipes - by Stefan Wirtz_2 - 14-07-2025, 11:45 PM
RE: Cannons versus Pipes - by pjburkshire - 09-05-2024, 08:23 PM
RE: Cannons versus Pipes - by Ruby Novacna - 10-05-2024, 06:44 PM
RE: Cannons versus Pipes - by Bernd - 11-05-2024, 09:12 PM
RE: Cannons versus Pipes - by Barbrey - 05-08-2024, 01:37 AM
RE: Cannons versus Pipes - by Koen G - 12-05-2024, 12:25 AM
RE: Cannons versus Pipes - by ReneZ - 12-05-2024, 06:35 AM
RE: Cannons versus Pipes - by Ruby Novacna - 12-05-2024, 09:30 AM
RE: Cannons versus Pipes - by R. Sale - 12-05-2024, 06:57 PM
RE: Cannons versus Pipes - by Barbrey - 09-10-2024, 12:22 AM
RE: Cannons versus Pipes - by R. Sale - 09-10-2024, 07:57 PM
RE: Cannons versus Pipes - by Barbrey - 14-10-2025, 08:50 PM
RE: Cannons versus Pipes - by R. Sale - 14-10-2025, 09:44 PM
RE: Cannons versus Pipes - by Barbrey - 14-10-2025, 10:17 PM
RE: Cannons versus Pipes - by Bernd - 29-01-2026, 03:48 PM
RE: Cannons versus Pipes - by Jorge_Stolfi - 29-01-2026, 04:19 PM
RE: Cannons versus Pipes - by Bernd - 30-01-2026, 12:06 AM
RE: Cannons versus Pipes - by ReneZ - 30-01-2026, 12:20 AM
RE: Cannons versus Pipes - by Bernd - 30-01-2026, 03:46 AM
RE: Cannons versus Pipes - by Koen G - 30-01-2026, 10:37 AM
RE: Cannons versus Pipes - by Jorge_Stolfi - 30-01-2026, 10:47 AM
RE: Cannons versus Pipes - by DG97EEB - 30-01-2026, 07:37 PM
RE: Cannons versus Pipes - by R. Sale - 30-01-2026, 08:14 PM
RE: Cannons versus Pipes - by DG97EEB - 30-01-2026, 08:37 PM
RE: Cannons versus Pipes - by DG97EEB - 30-01-2026, 10:24 PM
RE: Cannons versus Pipes - by Bernd - 31-01-2026, 08:41 PM
RE: Cannons versus Pipes - by Koen G - 31-01-2026, 09:30 PM
RE: Cannons versus Pipes - by DG97EEB - 01-02-2026, 06:58 AM
RE: Cannons versus Pipes - by DG97EEB - 01-02-2026, 10:59 AM
RE: Cannons versus Pipes - by Aga Tentakulus - 31-01-2026, 09:56 PM
RE: Cannons versus Pipes - by Bernd - 31-01-2026, 10:07 PM
RE: Cannons versus Pipes - by Koen G - 01-02-2026, 10:39 AM
RE: Cannons versus Pipes - by obelus - 01-02-2026, 02:27 AM

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