![[streamable]-fia:-exclusive-first-shots-and-video-of-an-iteration-of-the-2021-car-undergoing-testing-in-the-wind-tunnel…](https://racing-elite.com/wp-content/uploads/2019/08/12544/streamable-fia-exclusive-first-shots-and-video-of-an-iteration-of-the-2021-car-undergoing-testing-in-the-wind-tunnel.png)
read the article… back than they used 25% models to fit two cars in there, but it was too much shrinking and data was inaccurate. They did a 50% model this time (teams do 60% so it is pretty accurate, because teams are using it with high efficiency), and they confirmed 99% of the data from the CFD with this method.
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