Glossary
Porpoising
What it means
Violent high-speed bouncing motion seen in ground-effect cars, caused by aerodynamic suction stalling and recovering repeatedly under the floor.
Related terms
FFloorThe large underbody surface of the chassis channeling airflow into the rear diffuser, generating the…DDiffuserAn expanding section at the rear underside of the car that accelerates exiting underfloor air, producing…DDownforceVertical aerodynamic force generated by wings and the underfloor pushing the car onto the track surface,…
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