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But in this case a little extra-work is needed. The internal drag/ resistance to spin, for two large, tapered roller bearings - even if brand new and oiled only - is just too high. We have to have the hub running on smaller, single row ball bearings if we want this to detect even minor unbalance issues, down to ±¼ oz at 20" from center, or ±½ oz at 10", which is more or less where the weights are placed.
What if I were too lazy to build a nice one like in post 17? Could I just hack off an axle tube and mount it up in the air, then balance the hub? Would that work in a similar fashion?
