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Groups > sci.electronics.design > #698952
| Subject | Re: Why do circuit breakers go up for on and down for off? |
|---|---|
| Newsgroups | uk.d-i-y, alt.home.repair, sci.electronics.design |
| References | (15 earlier) <k77emnFtqovU1@mid.individual.net> <q5wPL.18885$m9Mb.2410@fx04.ams1> <u3guv8$pu30$1@dont-email.me> <mgdtijxq2f.ln2@Telcontar.valinor> <u3h4is$qlgg$1@dont-email.me> |
| From | "Commander Kinsey" <CK1@nospam.com> |
| Message-ID | <op.16vbwxgvmvhs6z@ryzen> (permalink) |
| Organization | Newshosting.com - Highest quality at a great price! www.newshosting.com |
| Date | 2023-06-21 03:59 +0100 |
Cross-posted to 3 groups.
On Wed, 10 May 2023 23:07:24 +0100, SteveW <steve@walker-family.me.uk> wrote: > On 10/05/2023 22:04, Carlos E.R. wrote: >> On 2023-05-10 22:31, Bob F wrote: >>> On 3/12/2023 7:43 PM, 😎 Mighty Wannabe ✅ wrote: >>>> rbowman wrote on 3/12/2023 10:05 PM: >>>>> On Mon, 13 Mar 2023 00:30:39 -0000, Commander Kinsey wrote: >>>>> >>>>>> On Thu, 02 Mar 2023 03:09:14 -0000, rbowman <bowman@montana.com> >>>>>> wrote: >>>>>> >>>>>>> On Wed, 01 Mar 2023 15:05:31 -0000, Commander Kinsey wrote: >>>>>>> >>>>>>> >>>>>>>> Why were they never made of something more grippy than highly >>>>>>>> polished >>>>>>>> steel? >>>>>>> https://en.wikipedia.org/wiki/Mount_Washington_Cog_Railway >>>>>> Should be used on all tracks, then perhaps trains could stop in the >>>>>> distance my car is required to by law. >>>>> Do the math. A fully laden coal car weighs about 140 tons. I've >>>>> never been >>>>> bored enough to count cars when I stopped at a crossing but there are a >>>>> lot of them. Let's say 30 for the sake of argument, 4200 tons plus the >>>>> weight of the engines. Let's say 4 at 200 tons each. So, roughly >>>>> 5000 tons >>>>> traveling at 50 mph. That's quite a bit of kinetic energy to dump in >>>>> 300'. >>>>> I can hear snapping axles and see flying wheels. >>>> >>>> >>>> The wheels and the rails are steel. A train can never have enough >>>> friction to stop at a short distance. The brakes can lock all the >>>> wheels but the train will still move forward due to inertia. >>> >>> All that need is train wheels made of rubber as hard as steel. >> >> If you do that, then those wheels will be very low friction and braking >> will be as bad as with steel wheels. >> >> You need something that is soft to increase the contact surface and >> grip. You have to choose, one thing or the other. Can't have both. > > Well you could have a train having steel wheels, but with rubber tyred > wheels that could be dropped onto the track during heavy acceleration, > heavy braking and for steep hills. But generally, steel wheels work well > enough. Clearly not. https://youtu.be/p5d3NGraRqA Talking of big trains.... https://youtu.be/fqOLoFkV5js
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Re: Why do circuit breakers go up for on and down for off? Bob F <bobnospam@gmail.com> - 2023-05-10 13:31 -0700
Re: Why do circuit breakers go up for on and down for off? "Carlos E.R." <robin_listas@es.invalid> - 2023-05-10 23:04 +0200
Re: Why do circuit breakers go up for on and down for off? SteveW <steve@walker-family.me.uk> - 2023-05-10 23:07 +0100
Re: Why do circuit breakers go up for on and down for off? Fredxx <fredxx@spam.uk> - 2023-05-11 01:19 +0100
Re: Why do circuit breakers go up for on and down for off? Tim W <nospam@example.com> - 2023-05-11 09:31 +0000
Re: Why do circuit breakers go up for on and down for off? "Carlos E.R." <robin_listas@es.invalid> - 2023-05-11 14:19 +0200
Re: Why do circuit breakers go up for on and down for off? Bob F <bobnospam@gmail.com> - 2023-05-11 06:48 -0700
Re: Why do circuit breakers go up for on and down for off? "Carlos E.R." <robin_listas@es.invalid> - 2023-05-22 13:46 +0200
Re: Why do circuit breakers go up for on and down for off? The Natural Philosopher <tnp@invalid.invalid> - 2023-05-22 12:58 +0100
Re: Why do circuit breakers go up for on and down for off? "Carlos E.R." <robin_listas@es.invalid> - 2023-05-22 23:16 +0200
Re: Why do circuit breakers go up for on and down for off? rbowman <bowman@montana.com> - 2023-05-23 02:49 +0000
Re: lowbrowwoman, the Endlessly Driveling Senile Gossip Peeler <trolltrap@valid.invalid> - 2023-05-23 11:10 +0200
Re: Why do circuit breakers go up for on and down for off? Bob F <bobnospam@gmail.com> - 2023-05-22 08:56 -0700
Re: Why do circuit breakers go up for on and down for off? "Carlos E.R." <robin_listas@es.invalid> - 2023-05-22 23:21 +0200
Re: Why do circuit breakers go up for on and down for off? Bob F <bobnospam@gmail.com> - 2023-05-22 17:58 -0700
Re: Why do circuit breakers go up for on and down for off? "Carlos E.R." <robin_listas@es.invalid> - 2023-05-23 13:13 +0200
Re: Why do circuit breakers go up for on and down for off? Paul <nospam@needed.invalid> - 2023-05-22 14:10 -0400
Re: Why do circuit breakers go up for on and down for off? "Carlos E.R." <robin_listas@es.invalid> - 2023-05-22 23:35 +0200
Re: Why do circuit breakers go up for on and down for off? Bob F <bobnospam@gmail.com> - 2023-05-10 19:09 -0700
Re: Why do circuit breakers go up for on and down for off? Jasen Betts <usenet@revmaps.no-ip.org> - 2023-05-12 13:49 +0000
Re: Why do circuit breakers go up for on and down for off? Paul <nospam@needed.invalid> - 2023-05-12 20:40 -0400
Re: Why do circuit breakers go up for on and down for off? rbowman <bowman@montana.com> - 2023-05-13 01:34 +0000
Re: lowbrowwoman, the Endlessly Driveling Senile Gossip Peeler <trolltrap@valid.invalid> - 2023-05-13 09:26 +0200
Re: Why do circuit breakers go up for on and down for off? John Larkin <jlarkin@highlandSNIPMEtechnology.com> - 2023-05-13 07:25 -0700
Re: Why do circuit breakers go up for on and down for off? rbowman <bowman@montana.com> - 2023-05-13 19:08 +0000
Re: Why do circuit breakers go up for on and down for off? John Larkin <jlarkin@highlandSNIPMEtechnology.com> - 2023-05-13 12:39 -0700
Re: Why do circuit breakers go up for on and down for off? rbowman <bowman@montana.com> - 2023-05-14 02:49 +0000
Re: lowbrowwoman, the Endlessly Driveling Senile Gossip Peeler <trolltrap@valid.invalid> - 2023-05-14 09:47 +0200
Re: Why do circuit breakers go up for on and down for off? John Larkin <jlarkin@highlandSNIPMEtechnology.com> - 2023-05-14 06:48 -0700
Re: Why do circuit breakers go up for on and down for off? rbowman <bowman@montana.com> - 2023-05-14 18:12 +0000
Re: Why do circuit breakers go up for on and down for off? John Larkin <jlarkin@highlandSNIPMEtechnology.com> - 2023-05-14 11:45 -0700
Re: Why do circuit breakers go up for on and down for off? rbowman <bowman@montana.com> - 2023-05-14 21:38 +0000
Re: lowbrowwoman, the Endlessly Driveling Senile Gossip Peeler <trolltrap@valid.invalid> - 2023-05-14 23:45 +0200
Re: Why do circuit breakers go up for on and down for off? John Larkin <jlarkin@highlandSNIPMEtechnology.com> - 2023-05-14 14:54 -0700
Re: Why do circuit breakers go up for on and down for off? "Rod Speed" <rod.speed.aaa@gmail.com> - 2023-05-15 11:50 +1000
Re: Lonely Obnoxious Cantankerous Auto-contradicting Senile Ozzie Troll Alert! Peeler <trolltrap@valid.invalid> - 2023-05-15 10:10 +0200
Re: lowbrowwoman, the Endlessly Driveling Senile Gossip Peeler <trolltrap@valid.invalid> - 2023-05-14 21:03 +0200
Re: lowbrowwoman, the Endlessly Driveling Senile Gossip Peeler <trolltrap@valid.invalid> - 2023-05-13 23:39 +0200
Re: Why do circuit breakers go up for on and down for off? "Carlos E.R." <robin_listas@es.invalid> - 2023-05-13 03:53 +0200
Re: Why do circuit breakers go up for on and down for off? Paul <nospam@needed.invalid> - 2023-05-13 03:31 -0400
Re: Why do circuit breakers go up for on and down for off? rbowman <bowman@montana.com> - 2023-05-13 21:14 +0000
Re: lowbrowwoman, the Endlessly Driveling Senile Gossip Peeler <trolltrap@valid.invalid> - 2023-05-13 23:41 +0200
Re: Why do circuit breakers go up for on and down for off? "Commander Kinsey" <CK1@nospam.com> - 2023-06-23 06:16 +0100
Re: Why do circuit breakers go up for on and down for off? Jasen Betts <usenet@revmaps.no-ip.org> - 2023-05-17 12:16 +0000
Re: Why do circuit breakers go up for on and down for off? Sam Plusnet <not@home.com> - 2023-05-13 20:25 +0100
Re: Why do circuit breakers go up for on and down for off? "Commander Kinsey" <CK1@nospam.com> - 2023-06-21 04:00 +0100
Re: Why do circuit breakers go up for on and down for off? "Commander Kinsey" <CK1@nospam.com> - 2023-06-21 03:59 +0100
Re: Why do circuit breakers go up for on and down for off? "Commander Kinsey" <CK1@nospam.com> - 2023-06-21 03:59 +0100
Re: Why do circuit breakers go up for on and down for off? Jasen Betts <usenet@revmaps.no-ip.org> - 2023-06-21 06:57 +0000
Re: Troll-feeding Senile HUGE ASSHOLE Alert! Peeler <trolltrap@valid.invalid> - 2023-06-21 09:53 +0200
Re: Why do circuit breakers go up for on and down for off? jon <jon@nospam.cn> - 2023-06-21 09:14 +0000
Re: Why do circuit breakers go up for on and down for off? The Natural Philosopher <tnp@invalid.invalid> - 2023-06-21 17:05 +0100
Re: Why do circuit breakers go up for on and down for off? Max Demian <max_demian@bigfoot.com> - 2023-06-21 19:45 +0100
Re: Why do circuit breakers go up for on and down for off? The Natural Philosopher <tnp@invalid.invalid> - 2023-06-22 08:11 +0100
Re: Why do circuit breakers go up for on and down for off? jon <jon@nospam.cn> - 2023-06-22 10:22 +0000
Re: Why do circuit breakers go up for on and down for off? Bing AI <bing_ai@example.com> - 2023-06-22 13:27 +0100
Re: Why do circuit breakers go up for on and down for off? "Commander Kinsey" <CK1@nospam.com> - 2023-07-25 04:02 +0100
Re: Why do circuit breakers go up for on and down for off? Jasen Betts <usenet@revmaps.no-ip.org> - 2023-06-24 00:27 +0000
Re: Why do circuit breakers go up for on and down for off? "Commander Kinsey" <CK1@nospam.com> - 2023-07-25 04:03 +0100
Re: Why do circuit breakers go up for on and down for off? Fredxx <fredxx@spam.invalid> - 2023-06-21 17:16 +0100
Re: Why do circuit breakers go up for on and down for off? jon <jon@nospam.cn> - 2023-06-21 17:44 +0000
Re: Why do circuit breakers go up for on and down for off? Fredxx <fredxx@spam.invalid> - 2023-06-21 20:02 +0100
Re: Why do circuit breakers go up for on and down for off? Anthony William Sloman <bill.sloman@ieee.org> - 2023-06-21 18:14 -0700
Re: Why do circuit breakers go up for on and down for off? The Natural Philosopher <tnp@invalid.invalid> - 2023-06-22 08:11 +0100
Re: Why do circuit breakers go up for on and down for off? "Jeff Gaines" <jgnewsid@outlook.com> - 2023-06-22 07:22 +0000
Re: Why do circuit breakers go up for on and down for off? The Natural Philosopher <tnp@invalid.invalid> - 2023-06-22 08:35 +0100
Re: Why do circuit breakers go up for on and down for off? "Jeff Gaines" <jgnewsid@outlook.com> - 2023-06-22 09:05 +0000
Re: Why do circuit breakers go up for on and down for off? "Commander Kinsey" <CK1@nospam.com> - 2023-07-23 04:53 +0100
Re: Why do circuit breakers go up for on and down for off? Max Demian <max_demian@bigfoot.com> - 2023-07-23 11:18 +0100
Re: Troll-feeding Senile HUGE ASSHOLE Alert! Peeler <trolltrap@valid.invalid> - 2023-07-23 16:56 +0200
Re: Why do circuit breakers go up for on and down for off? "Commander Kinsey" <CK1@nospam.com> - 2023-07-23 23:30 +0100
Re: Why do circuit breakers go up for on and down for off? Anthony William Sloman <bill.sloman@ieee.org> - 2023-06-22 04:34 -0700
Re: Why do circuit breakers go up for on and down for off? John Larkin <jlarkin@highlandSNIPMEtechnology.com> - 2023-06-22 07:09 -0700
Re: Why do circuit breakers go up for on and down for off? Anthony William Sloman <bill.sloman@ieee.org> - 2023-06-22 07:33 -0700
Re: Why do circuit breakers go up for on and down for off? The Natural Philosopher <tnp@invalid.invalid> - 2023-06-22 16:18 +0100
Re: Why do circuit breakers go up for on and down for off? Anthony William Sloman <bill.sloman@ieee.org> - 2023-06-22 08:33 -0700
Re: Why do circuit breakers go up for on and down for off? Anthony William Sloman <bill.sloman@ieee.org> - 2023-06-22 00:33 -0700
Re: Why do circuit breakers go up for on and down for off? John Larkin <jlarkin@highlandSNIPMEtechnology.com> - 2023-06-22 07:08 -0700
Re: Why do circuit breakers go up for on and down for off? The Natural Philosopher <tnp@invalid.invalid> - 2023-06-22 16:17 +0100
Re: Why do circuit breakers go up for on and down for off? Anthony William Sloman <bill.sloman@ieee.org> - 2023-06-22 08:22 -0700
Re: Why do circuit breakers go up for on and down for off? "Commander Kinsey" <CK1@nospam.com> - 2023-07-25 04:01 +0100
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