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NotesUnits are CdA, derived measurement from grams of drag.Dynamic pressure held constant at 2.4 lbs / sq ft Almost all riders had best position (green) with IABSphynx looks like this:http://velonews.competitor.com/wp-content/blogs.dir/2/files/track-worlds-day-1/meyerptstwc2_310-062.jpg

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DescriptionHoodsDropsSphynxInvisible Aero BarsComments

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tall male0.3580.3240.2800.255road bike, road helmet

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0.3540.3170.2760.255

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0.251Road Helmet

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0.246Road Helmet

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0.245TT helmet

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0.242TT helmet

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0.244TT helmet, booties

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0.241TT helmet, booties

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short female0.2760.2360.210road bike, road helmet

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0.2600.2370.212

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0.202w/ TT helmet

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0.200w/ TT helmet

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0.204w/ TT helmet, vents taped

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0.202w/ TT helmet, vents taped

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0.200w/ waterbottle on downtube

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0.200w/ waterbottle on seattube

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medium female0.2680.2550.2270.226road bike, road helmet

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0.2700.2570.2350.230

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short male0.3010.2500.212road bike, deep front wheel, road helmet

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0.3080.2510.214

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0.231IAB with forearms on bars

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0.234IAB with forearms on bars

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0.210w/ skateboard helmet

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0.217w/ skateboard helmet

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0.206TT helmet

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0.215TT helmet

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short male0.2910.2180.217aero road bike (venge), TT helmet, zipp 404's, stem at -17

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0.3030.2170.211

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0.207w/ stem at -35 degrees

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0.211w/ stem at -35 degrees

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0.208w/ stem at -45 degrees

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0.213w/ stem at -45 degrees

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tall female0.2700.2500.2230.227aero road bike (blue), road helmet

.

0.2710.2450.2220.216

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0.231

.

0.232

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medium female0.2700.2470.2430.233

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0.2730.2530.2500.234

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0.232more aggressive sphynx

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0.240more aggressive sphynx

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medium male0.3410.2610.2820.263road bike, road helmet

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0.3490.2610.2930.264