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Failed to connect to MySQL: (1203) User howardkn already has more than 'max_user_connections' active connectionsPath: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Catrike Ryder Newsgroups: rec.bicycles.tech Subject: Re: Science of cycling still largely mysterious Date: Wed, 21 May 2025 13:56:26 -0400 Organization: A noiseless patient Spider Lines: 40 Message-ID: References: <100i80u$2aalg$1@dont-email.me> <100iphn$2doci$1@dont-email.me> <100l0mu$2u9tq$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Injection-Date: Wed, 21 May 2025 19:56:30 +0200 (CEST) Injection-Info: dont-email.me; posting-host="0b545e77e1bd0b9b2428711db6949d2c"; logging-data="3119163"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/SmAbty1qiS9AxMPV8or0eO9e3A3II4s8=" User-Agent: ForteAgent/8.00.32.1272 Cancel-Lock: sha1:6fDhZ3nN7GfKRxC5A5vWRtiLV80= On Wed, 21 May 2025 12:58:04 -0400, Frank Krygowski wrote: >On 5/21/2025 11:47 AM, cyclintom wrote: >> On Tue May 20 16:43:34 2025 Frank Krygowski wrote: >>> On 5/20/2025 1:38 PM, Catrike Ryder wrote: >>>> On Tue, 20 May 2025 11:44:29 -0400, Frank Krygowski >>>> wrote: >>>> >>>>> "Science of cycling still largely mysterious" >>>>> >>>>> This article from 2016 recently popped up again: >>>>> https://www.cbc.ca/news/science/science-of-cycling-still-mysterious-1.3699012 >>>> >>>> As is the case with most issues, if I think I need to know something I >>>> go about trying to learn it. I've little time for learning about stuff >>>> I have no need to know. >>> >>> Yep. So much for curiosity, so much for education... Ignorance is bliss! >> >> What is unknown about bicycling? Even you know that balancing on a bicycle is based upon balancing on two feet... > >Tom, you have no idea how much there is that you don't know. Try reading >some of the work done by Jim Papadopoulos, who's probably the most >prominent researcher on bicycle dynamics. People have been studying >bicycle dynamics for many decades, trying to get precise understanding. >Science is not there yet. > >Obviously, we can build bikes of roughly conventional geometry and have >them work well; but that's not due to precise engineering analysis. It's >been done through a long history of trial and error leading to rules of >thumb. Unless a person is designing bicycles, that information is not worth bothering with. -- C'est bon Soloman