The often-heard complaint that motorcycles can influence the outcome of races is justified

In professional cycling, in-race motorcycles such as TV motorcycles drive in between the riders. In the slipstream behind the motorcycle, cyclists can gain time. For the first time, the exact extent of this advantage has been scientifically investigated. It turns out to be even more advantageous than expected. Using computer simulations and wind tunnel measurements, Professor Bert Blocken of Eindhoven University of Technology and KU Leuven--in collaboration with software company ANSYS--investiga...