Tyre balancing...

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Tom E - 10 Apr 2009 17:14 GMT

is carried out at 200 rpm or so I assume as most balancing machines quote
this in their spec.

My 16" rims have tyre OD's of 24" I calculate they are travelling at 14.28
mph during balancing.

Is this the ultimate speed for such a process. Or is this the safest speed
for a tech to run a machine with such a large OD object. From my personal
experience out of balance tyres always seems to occur between 60 and 70 mph.

dj

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Kevin McMurtrie - 11 Apr 2009 04:40 GMT

> is carried out at 200 rpm or so I assume as most balancing machines quote
> this in their spec.
[quoted text clipped - 7 lines]
>
> dj

The balance shouldn't change significantly with speed. If it seems to,
it might actually be tires that aren't perfectly round or centered.
That could be a defect, damage, or temporary deforming after being
parked.

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Dave - 14 Apr 2009 19:58 GMT

> is carried out at 200 rpm or so I assume as most balancing machines quote
> this in their spec.
[quoted text clipped - 6 lines]
> experience out of balance tyres always seems to occur between 60 and 70
> mph.

In my experience, balance problems are down to poor workmanship on the part
of the fitter. They've always been rectified by a second balancing visit.

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johngdole@hotmail.com - 27 Apr 2009 01:00 GMT

Sure they go up to 300 RPM, and can resolve imbalances to 0.5g. So
it's not how fast they can go, but how accurately they can measure.

Hunter Engineering -- why would you want anything less?
http://www.hunter.com/PUB/product/balancer/4159T/4159T-02.htm

> is carried out at 200 rpm or so I assume as most balancing machines quote
> this in their spec.
[quoted text clipped - 7 lines]
>
> dj

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