Ask Crofty returns for the Final Winter Test as the countdown to the first race of the 2017 season goes into overdrive.
In addition to answering your questions on the new cars and the developing pecking order at Barcelona, David Croft speaks to two team bosses: McLaren's Eric Boullier and Sauber's Monisha Kaltenborn.
Just how bad is McLaren's early 2017 plight? And can Sauber return to being points-scoring contenders in the new season?
Those questions - and plenty more - answered in the first Ask Crofty edition of the week! Hit play on the video above to watch in full.
The Sky Sports F1 Digital team will be providing live commentary from dawn until dusk for all days of winter testing while Sky Sports News HQ will also deliver live updates from trackside.