Quote:
Originally Posted by alex.s
dyna beads, sand, water (water is extremely stupid btw, expands at a huge rate when the tire gets hot sending your pressure through the roof) are all fine ways of balancing something moving at a consistent rate. however tires on motorcycles do not move at a consistent rate. you brake. and accelerate. what happens to those mobile weights when this happens? they move. obviously. you are creating temporary imbalances. the only way to have a balanced rotating assembly is to --> BALANCE IT <--
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All true!
It's not so much the unsprung mass. It's the rotational mass moment of inertia. And, like you say, the continual going in and out of balance.
I'll stick with the static balance and stick-on weights.