2026-08-13 13:12 UTC
Replies (1)
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@adub@beige.party 2026-08-13 13:16
*Why bicycles are surprisingly stable* A common myth is that bicycle stability comes mainly from the spinning wheels acting as gyroscopes. Gyroscopic effects help, but they are actually not the dominant factor. The major sources of bicycle stability are: 1. Steering geometry (trail) • The front wheel naturally "falls into" a turn when the bike leans. • This automatically steers the contact patch underneath the rider's centre of mass. • The bike performs a kind of continuous self-correction. 2. Large wheel diameter • Large wheels roll smoothly over imperfections. • Small steering disturbances produce gentler changes in direction. 3. Long wheelbase • Reduces sensitivity to perturbations. • Creates slower, more manageable dynamics. 4. Rider position • The rider's mass is located relatively high and centred between the wheels. • Subtle body movements can effectively influence balance. At speeds around 10-20 km/h, many bicycles are remarkably self-stabilizing. If you've ever seen a bicycle coast for a surprising distance riderless, that's evidence of these effects.