Inside the cockpit, drivers face 100-110 dB, attenuated by helmets (20 dB reduction) and custom earplugs (15-25 dB), per 2025 IndyCar safety mandates. The carbon-fibre monocoque, 3-5 mm thick ...

Construction: Monocoque contains cockpit, aeroscreen, aeroscreen frame, fuel cell and front suspension; engine is stressed (integral) member of chassis; rear assembly contains bellhousing with hybrid ...

IndyCar has held 249 consecutive caution-free laps dating back to a Lap 1 incident at St. Pete that saw just six laps under yellow, followed by the bulk of three caution-less races. Not since the ...