Friday 3 March 2017 12:17, UK
It's time for the final Ted's Notebook from Test One after a fascinating first four days of Formula 1 2017 - and it's a development corner special.
On this edition, the Sky F1 expert swaps his notebook for a laptop as he delves through the key technical additions teams have made to their cars so far.
Whether it be coat hanger T-wings, shark fins or innovative suspensions, Ted explains the aerodynamic features in detail for a unique insight into the new challengers.
Click play on the video above to watch the full episode.
The second F1 pre-season test starts on Tuesday March 7 and the Sky Sports F1 Digital team will be providing live commentary from dawn until dusk on all four days while Sky Sports News HQ will also deliver live updates from trackside.
