Albert Park Circuit

The 2026 Technical Regulations introduce a revised layout for the Floor.

The 2026 floor architecture features a predominantly flat underbody, with only a limited allowance for front inboard devices and a floorboard as defined by the regulations. Our geometry incorporates a substantial vertical vane to condition and manage the tyre-wake structures, complemented by a series of horizontal aerofoils that promote localised load extraction. This combination enhances vortex stability, preserves floor sealing, and improves the underfloor mass-flow distribution.

The 2026 Technical Regulations introduce a revised layout for the diffuser geometry.

The 2026 diffuser incorporates a single primary fence per side, while the FIA-mandated outboard devices—previously mounted to the rear corner assemblies up to 2025—are now integrated directly into the outboard diffuser structure. The central expansion volume extends laterally alongside the rear impact structure, maximising underfloor mass-flow extraction and enhancing the diffuser’s overall pressure-recovery efficiency.

The 2026 Technical Regulations allow for a three‑element upper Rear Wing configuration within a reduced legality volume compared to previous seasons.

Haas employs a three-element upper rear-wing assembly, with the SM mechanism providing simultaneous actuation of both flap elements. The mainplane is configured with a relatively low camber, while the flap cluster adopts an aggressive geometry to maximise downforce generation in Corner Mode (CM). In Straight Mode (SM), the system targets a substantial drag reduction by unloading the flap pair and exploiting the flat mainplane to minimise pressure-drag contribution

The 2026 Technical Regulations allow only a simplified lower-wing element.

The 2026 rear-structure geometry is deliberately simplified in compliance with the regulatory constraints. The beam wing is aligned with the incoming flow and functions primarily as a structural and aerodynamic interface, supporting both the floor assembly and the upper rear-wing system.

The 2026 Technical Regulations introduce a revised layout for the Front Wings Haas features a three-element wing.

The newly introduced SM Adjuster is positioned on the centerline beneath the nose and actuates both flap elements. The geometries have been optimized to deliver high load in Corner Mode and reduced drag in Straight Mode.

The 2026 Technical Regulations introduce a revised layout for the Front Wing Endplates.

The endplate is engineered for optimal tyre-wake control, incorporating a high-mounted diveplane and a channelled footplate to enhance local flow conditioning and improve downstream aerodynamic flow.

The 2026 Technical Regulations introduce a revised layout for the Floor Edge.

The floor edge incorporates a multi-slot geometry combined with an upper fence, engineered to mitigate tyre-contact-patch–induced pressure losses and reinforce the robustness of the floor’s sealing vortex system. This configuration enhances shear-layer stability, preserves underfloor mass-flow continuity, and reduces the susceptibility of the diffuser to wake-related load drop-off.