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forum
Bicycle physics - how it all works
("Écureuil roux -- Red Squirrel" by Gilles Gonthier is licensed under CC BY 2.)
This is pretty cool - a bunch of details and models on how a bicycle works
If you're new please join in and if you have questions pop them below and the forum regulars will answer as best we can.
Latest Forum Topics
Latest Comments
- imajez 2 hours 46 min ago
Nothing new about zebra [or light controlled] crossing on roundabouts. Sheffield has had them for decades, possibly since the 1970s.
- David9694 4 hours 16 min ago
Herefordshire man fined after throwing parking ticket...
- OnYerBike 5 hours 37 min ago
I'm sure that sort of thing will come sooner or later. But presumably a key ingredient (and why you'd turn to a big brand like Fizik) is knowing...
- muhasib 5 hours 41 min ago
"the cost to rebuild the M25 junction 10/A3 Wisley interchange is £317 million. The project is expected to be completed in 2025. "
- mark1a 6 hours 5 min ago
I think they did, from memory back in the 70s/80s... haven't seen one for years though, our current milkman uses a standard van, albeit hybrid.
- kingleo 7 hours 20 min ago
I believe that straight forks that are used on carbon frames are more dangerous than the old steel forks because they are more rigid, the old steel...
- S.E. 7 hours 52 min ago
Yes, sleep apnea produces more CO... I'm not aware of any doping effect but what do I know....
- Gd29 10 hours 11 sec ago
That's true enough. But doesn't address my point that the chainset you get as a replacement will not physically fit chainrings from the chain set...
- brooksby 10 hours 30 min ago
In all fairness, it almost certainly NEVER happened…
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3 comments
That is a bunch of work!
There was so much there I didn't have time to find out what their position was on the latest bicycle dynamic balance science (from 2007 / 2011 - but maybe more recent developments)?
Fantastic find.
Great interaction.
If I have several hours free I might even give it a read.
I like the way that the classic double triangle bicycle frame is derived by optimising the strength/weight ratio.
If you've got lots of spare time, then check out some of his other work: https://ciechanow.ski/archives/