WATCH: Why do F1 cars spark? Tech expert Albert Fabrega has the answers

Have you ever seen F1 cars sparking away down the straight and wondered how, and why, that was happening? Well, wonder no more, as the latest instalment of F1 TV's Tech Talk explains all.

Tech expert Albert Fabrega explains the origin of the plank underneath the cars, and why they create the sparks that you see when the cars are running at high speed. He also touches on the impact porpoising has had on the planks, and why the front of the plank, which creates the sparks, is so important on the car.

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Hit play on the video above to get a brief lesson into why Formula 1 cars spark from F1 TV’s Tech Talk– and click here to subscribe to F1 TV for more fantastic tech content.