Originally Posted by NZRalphy
I spend a sh*t load of money on balancing machinery at work. I doubt ANY engineer would use some witch doctor automatic balancer on something as important as a power plant.
Washing machines use a heavy weight and springs to stop the thing walking across the floor - they also stop and restart if the out of balance is too extreme.
All that, and the very simple fact that dynamic balancing is only sucessful when applied to stationary machinery. Introduce any appreciable outside force (such as might be felt by a tire hitting a bump) and that dynamic balancing system begins to oscillate instead of balance.