[Captain Ahab Jr]

Jeff gets it, having no F1 foundation to build will be the source of their problems

Andretti haven't built a chassis, article is a bit misleading, chassis they refer to is a wind tunnel model built to 2023 aero regs, Toyota Motorsport Group TMG in Koln, Germany was the F1 team facility so state of the art when built

Ferrari have used (I spent a week at TMG when I worked for the team) and McLaren are using the TMG wind tunnel (there is more than one tunnel) while their own wind tunnel is being built

F1 teams supply their own model, aero test parts, technicians, aerodynamisists and Toyota take car of running the tunnel

Andretti will be busy understanding how to build a model, think Tamiya but 50% scale and many $ millions, also as they don't have an entry yet there is nothing stopping them doing unlimited aero runs. Most importatly it gives the aero team practice as due to limited wind on model time once they have an entry the race in the tunnel is more frantic than the racing on track

Pretty sure all the aero design work is being done at a top secret facility at Silverstone, UK and the manufacturing will be using suppliers in the local area