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Wheel axle snapped whilst driving home from the garage it was 'repaired' by!

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Comments

  • Strider590
    Strider590 Posts: 11,874 Forumite
    Over tightening the bearings would cause friction, maybe not enough to stop the wheel, but enough to apply torsional strain on the stub axle, the stub axle it not designed to have great torsional strength.
    The bearings would overheat, passing that heat into the axle and the wheel, more heat would cause greater friction, more speed, more heat, more friction, more heat, more friction. Until your at a speed where the bearing locks up completely and the only thing that can give is the stub axle itself.
    “I may not agree with you, but I will defend to the death your right to make an a** of yourself.”

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  • AdrianC
    AdrianC Posts: 42,189 Forumite
    Eighth Anniversary 10,000 Posts Name Dropper
    Strider590 wrote: »
    and the only thing that can give is the stub axle itself.
    If the stub axle was weaker than the grip between tyre and road, then every time the brake locked, the wheel would fall off. And I dread to think what'd happen at the first sign of kerbing or a big pothole...
  • Strider590
    Strider590 Posts: 11,874 Forumite
    edited 9 July 2015 at 10:47AM
    AdrianC wrote: »
    If the stub axle was weaker than the grip between tyre and road, then every time the brake locked, the wheel would fall off. And I dread to think what'd happen at the first sign of kerbing or a big pothole...

    I said torsional force not shear.

    forces.JPG

    Under normal conditions, with the bearings doing their job, there should be very little (almost zero) torsional force being applied to the stub axle.
    “I may not agree with you, but I will defend to the death your right to make an a** of yourself.”

    <><><><><><><><><<><><><><><><><><><><><><> Don't forget to like and subscribe \/ \/ \/
  • bigjl
    bigjl Posts: 6,457 Forumite
    Any chance that the fault you were trying to fix with a new wheel bearing was the same fault that caused this failure and the wheel bearing was actually fine all along?

    Just playing devils advocate.
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