As an introduction to this topic, two plots that show the relation between time savings, CdA reduction and previous CdA for a given bike speed. These two plots are obtained for the only situation where time savings are independent of wind speed and direction, the null wind speed case. The first plot shows time savings when the variations of friction and gravity power due to the speed increase are neglected. The second plot also considers these variations
As you can see, when the variations of power due to gravity and friction are neglected, time savings are overestimated. In the following posts, I will present more complex models that consider wind speed, direction and the modification of yaw angle and, consequently, CdA.
More soon. Thanks for reading!
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