SUMMARY
- Sparks from F1 cars perform a calculated and crucial defensive function in addition to being a gorgeous spectacle.
- F1 cars flaunt a wooden plank, Jabroc, beneath them, deflecting sparks generated by titanium skid blocks to safeguard against damage.
Audiences and spectators have probably witnessed a spectacular show of sparks shooting out from behind the racing cars on several Formula 1 race weekends. Enjoyed by many, this flashy spectacle hides a fascinating rationale that not most individuals are aware of. For those who are unfamiliar with F1, the popping phenomena could get them to have questions about the state of the car.
The sparking, however, is a conscious and crucial feature. The plank regulates the incorporation of “ground effect” aerodynamics and sets the level of the ride of the vehicle. It spans from the rear end of the car to a point in the path of its front tires. This 1960s-era aerodynamic instrument essentially draws the automobile to the ground to optimize speed and traction.
The real reason behind the sparks from F1 cars
The FIA has called for a specially equipped plank to be installed underneath each Formula 1 car to reduce under-body aerodynamics while preventing the cars from scuffing the ground. In contrast to the concept of lightweight construction, this panel is made of a simple timber substance called Jabroc. The unexpected structure of the beechwood plank, coated with veneers and resins, serves as an anchor for the dazzling sparks.
The tiny titanium skid blocks tucked in the plank are the source of these sparks. Engineered to protect the hardwood surface, these skid blocks are only 3 mm in thickness. When the car experiences any contact with the track, these skid blocks make an initial impact, resulting in a shower of sparks trailing behind.
Are these twinkling sparks harmful to the cars?
The basis for the sparks shooting out of the cars is not because there is something wrong with it; rather, it is a computed effort to protect the vehicle from future damage. An essential component of the F1 car, the plank has multiple functions. It first makes sure teams follow the appropriate riding height standards. It also avoids the activation of ground effect aerodynamics.
Max Verstappen driving up the hill in Brazil with the storm coming and the sparks flying from the car is so cool #BrazilGP #F1 pic.twitter.com/DooKM7DdN7
— Kyle (@KyleGasly) November 3, 2023
The extravagant F1 cars have a set height of suspension that is influenced by downforce generated by aerodynamics. This downforce boosts handling ability and cuts lap times, and it is particularly apparent on straights. Usually useful for lateral movement during turns, a shortage of lateral force on straight paths results in a drop in the car’s ride height and closer proximity to the track surface.
As was the case with Jarno Trulli in the 2001 US Grand Prix, excessive plank wear could end up in disqualification. His Jordan team succeeded in challenging the judgment after being initially disqualified.