The new addition could be found beneath the AMR23’s rear crash structure, as the designers had found a way to utilise a small bowtie-style winglet to work in conjunction with changes that were also made to the surface of the diffuser.
While the team did not race the item in the end, its introduction should not be taken lightly. As Aston Martin had gone the extra mile to get the part on the car, it can be presumed there must be a decent benefit.
Nothing showed that more than the fact that, as a consequence of introducing this winglet, Aston Martin had to redesign its pit equipment, with an overhauled rear lifting jack spotted in the Zandvoort pitlane.
The jack, ordinarily a more simplistic cup-style solution, usually slides beneath the crash structure in order to lift the car during a pit stop. However, if this design was used with the new winglet it would likely break the part – something that indeed happened during practice and could be the reason why the team opted not to race with it.
To avoid the risk of repeat damage, Aston Martin reprofiled the rear jack cup design so it now avoids the risk of damaging the winglet at a stop.
Source: Autosport