Source link : https://motorsports-news.org/2025/05/20/rally/whats-actually-behind-workforce-penskes-unlawful-components/
Pole qualifying for the Indy 500 took a dramatic flip because the Workforce Penske vehicles of Josef Newgarden and Will Energy had been pulled out of line as a result of unapproved components on the rear of the automobile. The ensuing motion for the infraction despatched each vehicles to the again of the sector. All focus has been on the modifications to the rear attenuators on the No. 2 and 12 vehicles, however there may be far more to this story. Not as a result of the modifications are new, or simply for the five hundred. They’ve truly existed for over a yr and made appearances at a number of kinds of tracks.
What’s a rear attenuator?
To be able to perceive what transpired at Workforce Penske, we have to begin with the perform of the rear attenuator on an IndyCar. This rectangular piece sits in the back of the automobile and is hooked up to the gearbox the place it serves two fundamental roles. Its main function is to soak up influence in a crash and cut back the g-forces felt by the driving force. It additionally serves because the mount for the rain mild meeting.
Aspect-by-side comparability of an Indy automobile’s rear attenuator
Photograph by: IndyCar
The present base model of the rear attenuator was revealed by IndyCar in February of 2023 and was the largest improve to the half since 2016 as Dallara was in a position to enhance their Finite Factor Evaluation (FEA) instruments and design an extended half that would cut back influence to the driving…
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Author : Motorsports
Publish date : 2025-05-20 16:54:00
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