Strains in the bicycle chain, an interesting info graphic

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ianrauk

Tattooed Beat Messiah
Location
Rides Ti2
Many parts can now take up to 12-18 months to get into the supply chain

20220402_104930.jpg
 

cyberknight

As long as I breathe, I attack.
i was expecting summat about the strain on a chain as it goes around :smile:
 

byegad

Legendary Member
Location
NE England
No probs - just need to make all-leather bikes.
I have one, made by Eccles, Bluebottle and Neddy.
 

Dogtrousers

Kilometre nibbler
i was expecting summat about the strain on a chain as it goes around :smile:
We could have had one of those incomprehensible "does a bicycle wheel stand on spokes or hang from spokes" arguments. And people could argue whether the chain pushes the wheel round or pulls it.
 

Ajax Bay

Guru
Location
East Devon
We could. But I think a graphic of how much strain (proportional to stress/force/tension) there is in each section of the chain would be interesting.
Apart from the top section, there's presumably minimal tension after the first couple of teeth have engaged on the chain on the chainring (ie from 1 o'clock to 6 o'clock). Does the tension rise a little as it negotiates the jockey wheels?
You can see the sort of information that that my salivary glands were anticipating trouble with. But what I experienced (thank you nevertheless @ianrauk ) was a dislocation of expectation.
PS Try cutting the upper half of spokes in a wheel and then put a load (aka half a rider's weight) on the hub. Does it stand on the lower spokes that are left, or does it fail (pseudo-ovalling, lowest spokes buckling)?
 
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