Video: explaining the Formula 1 rule Ferrari is banking on to save its fast-but-fragile power unit. The F1 rule Ferrari is banking on to save its fast-but-fragile engine.

After a difficult couple of seasons for Scuderia Ferrari on the power unit, its engine for the current campaign is back among the strongest on the grid. The trouble is, it hasn’t been very reliable.

A litany of Ferrari failures, most recently Carlos Sainz’s fiery’ internal combustion engine failure while on target to take second place from Max Verstappen at the Red Bull Ring in Austria, have hit the Maranello team hard. And customer teams Alfa Romeo and Haas haven’t been immune from such problems either.

What’s more, Ferrari is ranked lowest with six retirements this season – two for Charles Leclerc and four for the unfortunate Carlos Sainz.

Ferrari’s power unit frailty is a weakness, but it is not as disastrous as you might think given Formula 1’s power unit freeze. To understand why, The Race takes a look in detail at how the regulations work.

— see video above —