shaft balancing

[Rudolphphalm]

"Dear community, I’d like to debate the necessity of balancing drive shafts and similar components from both a scientific and practical angle. It’s well known, an unbalanced shaft causes vibrations, which could increase wear over time. But how big of a problem is it really? Is the high cost of balancing justified by the potential increase in drive shaft lifespan?"
Article : Dynamic balancing of shafts