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That's a lot more of an effect than I had thought.
It's at 50km.h-1, and only 20W between best and worst. It's significant for racing, but if you're just pottering around at 30km.h-1 it's something you could measure but not notice. Since drag power is proportional to the cube of speed, a 20W difference at 50km.h-1 is only about 4W at 30km.h-1
gbj_tester
dglshrn
Bloody hell, never seen that before! That's a lot more of an effect than I had thought. Just out of interest, where might a 32/32, box rim non-aero spoke build come on there?