Old 07-09-16, 06:38 PM
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rpenmanparker 
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Originally Posted by andr0id
What about the aerodynamic drag caused by boundary layer air flowing over an empty spoke hole instead of the smooth head of the spoke? That's probably 0.087 milliwatts of energy loss.
Worse. I fill in the rim holes with inverted nipples that have a short piece of spoke filling up the threaded hole. Very poor aero.
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