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Results tagged with physics
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user 24228
2
votes
Understanding science of speed difference between two bikes
There is a myriad of factors that can effect how 'fast' a bike is. By 'fast' I mean both maximum speed and acceleration. When riders talk about a bike being 'fast' they usually means it accelerates we …
- 75.9k
0
votes
Why does shifting under power affect shift quality?
Applying greater pedaling force does put the chain under greater tension - that's how the pedaling force is transmitted to the rear sprocket and hence to the rear wheel.
Perhaps when you think of ten …
- 75.9k
37
votes
Why are emergency inflation cartridges filled with CO2?
CO2 charger cartridges are used for bike tire inflation because they are a common, inexpensive product that has been around since the 1950s. Their other uses include powering air guns and inflating li …
- 75.9k
6
votes
Accepted
Does changing gear relation produce different speed at same applied power?
Another physics question.
Restating the question: if the rider power input is constant, does the bicycle velocity change if the drive-train gear ratio is changed? …
- 75.9k
3
votes
Maximum Descending Speed
Terminal velocity is reached when the force on the rider due to gravitation acceleration equals the force from aerodynamic drag on the rider and bicycle plus rolling resistance of the bicycle.
In the …
- 75.9k