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  • how a bicycle works is still not fully understood.
  • Premier Icon racefaceec90
    Free Member

    i thought this was interesting.

    Premier Icon neilc
    Free Member

    I saw that the other day. Was aware that gyroscopic forces had been debunked but not the stuff about trail.

    It got me wondering though – been riding a fat bike a lot recently and you get a lot of self-steering, which is more or less noticeable depending on tyre pressure. Basically as you lean the bike one way, the circumference of the tyre at the inside edge of the contact patch is smaller than at the outside. This causes the bike to try to steer towards the direction you’re leaning. In the case of pushing a riderless bike, could this be enough to keep it stable? So as the bike starts tipping one way, it turns that way to correct itself. I guess you’d have to do some experiments with different tyre profiles to see. Not sure if I’m explaining this very well…

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