Williams: Endplate-less Front wing

Williams introduced a new concept of front wing for Canada. Working along similar geometry for the three wing elements, the endplate design has evolved to be formed totally by the wings main plane. In order to meet the rules of side profile surface area, the wing sports a vane that also mounts the cascade. While sealing the airflow beneath the wing, a function normally served by the endplate is formed by a small fence added below the main plane.

You can see with the cascade and under-fence removed, there is effectively no seperate endplate

With the cascade and under-fence removed you can see the line of the main plane (yellow) forms a continuous curve across its entire length, no separate parts form the end plate. You can also see the two flaps curve down to form the rest of the ‘endplate’ function.

An extra slot in the main plane near the outer tip, makes the a 4-element (3-slot yellow) set up

Lastly the wing continues to exploit a solution used by Williams all season. The wing is notionally a three element design, with a main plane and two flaps. However an extra slot is formed in the outer span of the main plane and this formed effectively a four element for more highly loaded outer section. You can see the depth and length of the wing in this outer is greater than the other sections of wing, so this area creates the highest amount of downforce.

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