The FIA is planning tougher load tests for rear wings to prevent teams using designs which flex under high loads to gain an aerodynamic benefit.
Flexible wings can change shape or position as F1 cars reach top speed in order to reduce drag. However fears they could fail and cause crashes prompted the FIA to restrict their use by imposing load tests on the cars. The first tests were introduced decades ago and have been revised since.The FIA’s head of single-seater matters Nikolas Tombazis said today the tests are in now need of another update.
“We are looking at the rear wing flexibility and we do hope to make some enhancements to the regulation, to the deflection test sometime in the not-so-distant future. We want to do it reasonably carefully and not to rush it and make it a wrong call.”
“Basically, traditionally the best deflection regulations for aeroelasticity are the ones that most closely mimic the real load cases that the component can see on the track,” Tombazis explained.
“The force [the wing] sees is normally downwards and backwards approximately 40 degrees or so, so it’s got more downforce and drag. Currently the loads we put there is a horizontal pull-back and there’s a vertical load and some other, smaller loads on the trailing entries and so on.”
Tombazis said the plans to change the test had not arisen out of suspicions over what any particular team was doing with its car.
“We feel that [test] is perhaps getting slightly outdated and the teams may be using the fact that the load test and the real case loads are a bit different to design the wings in a way that they are most resistant where the FIA loads are but maybe less resistant where the real aero loads are.
“We’re trying to address that matter. It’s not a five-minute job but it’s on our job list.”
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