Cyclingnews' latest wind tunnel aero helmet test finds two surprise winners, but why did we test helmets again?
Briefly

A recent wind tunnel test at Silverstone involved 47 helmets, primarily standard road bike models, including time trial helmets. Using a 3D-printed mannequin improved testing accuracy by eliminating potential movement errors. The test revealed a variation of up to 12.76 watts in aerodynamic performance among helmets, reinforcing the importance of rigorous testing methods. Previous tests provided valid benchmarks but lacked the repeatability achieved in the latest effort. Overall, results highlighted the value of systematic approaches in aerodynamics and helmet performance assessment.
Testing conducted on 47 different helmets showed that using a 3D-printed mannequin significantly enhances the reliability of aerodynamic performance results, ensuring accurate comparisons.
Data from the latest wind tunnel tests indicated a substantial performance difference of up to 12.76 watts among the helmet designs tested, showcasing notable aerodynamic variances.
Read at Cyclingnews
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