Wednesday, September 28, 2011

DRS, fineness, and vibration

Vibration in a DD system raises the effective DRS, making it more difficult to spin at the fineness expected from the calculated DRS.

Surprise!  If you want to spin fine, you need a smooth-running spinning wheel.

After a year of use, my Traddy had some wear, and hence more vibration.  And, I swear, I oiled it every 4 hours using good oil.  On the other hand, I ran it long and fast.  Nice thing about a Traddy is that new bearings are inexpensive.  A few new bearings and everything is back to fast and smooth.

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