Why F1 Engines EXPLODE

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Formula 1 engines can go bang occasionally, sometimes just by grinding to a halt with some smoke. And sometimes pretty spectacularly, with a fair bit of fire.

And we saw this recently with Carlos Sainz in Austria. But what causes these failures?

Well, we’re going to wrap up the three most common failures - and explain how you can spot the tell-tale signs in a race. So you can know have a good idea about what’s gone wrong, before everyone else does.

Firstly, we’re not going to cover the hybrid stuff in this video - purely the mechanical bits about the combustion engine. And because they are so insanely complex, there are probably hundreds of different components that could fail. So we are simplifying it down to the three main areas, and they are:

Bottom-end failures, top-end failures and turbo failure.

So the bottom end is things like the crankshaft, rods, bearings and sometimes even the crankcase. Think of it like anything below this line.

Then there is the top end, and thats the stuff above that line. Pistons, valves, gaskets, the head of the engine itself.

Then the turbo, we know what that is…

But what’s most interesting about this is that the all show different signs after they fail, you can often get a good idea of which it is by hearing the failure, or even looking at the smoke coming from the back of the engine.

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Rule of thumb:

Blue smoke: burning Oil, often Turbo failure
White smoke: Coolant evaporating, usually results in a new Pope

komentierer

Thanks for the technical information. It will make me even more fun at parties.

millie

With Sainz this weekend, you could also see a lot of sparks coming out of the rear just as turbo really exploded, like burning metal sparks. It was quite evident that the turbo grenaded.

wolflegion_

Turbo failures also tend to result in an engine rich exhaust as fragments of the turbo blades exit the vehicle through the exhaust.

DERP_Squad

in the spanish gp it was super obvious that it was the turbo for charles, you could literally hear it slowly going down and then exploding on the onboard, even charles noticed it himself despite all the noise around him.

alijahan

So many F1 explainer youtube videos are filler with very little information. Driver61 is the best channel I've found by far at providing high quality, information dense explainers. Really nice work.

patrickbryant_

Ferrari engineers taking notes watching this video "Oh mo dio, olio!! I knew we were missing something. Quick tell the guys back at the factory to put that in ".🤦

joseespinoza

Good video again!

Dare I say we need more big, old school, catastrophic engine failures? I actually love that this season reliability isn't a given, even for the top teams. RBR had their share of problems earlier on in this season, and now Ferrari seems to have some issues. And even when I love to seen them battle it out on the track, just the idea that the car could fail at any moment adds a bit of tension. I started watching F1 in the early 90s, when no race was over until the chequered flag. How many times did we see someone go for a certain victory, only to fail with the finish (almost) in sight? And by the way, back then I was a fan of Jean Alesi, who had his share of mechanical issues...

WizardOfOss

Why did you say basically the same what Graig Scarborough JUST SAID in his part?
And you even got it wrong with the oil smoke.
Oil => Blue smoke
Water => White smoke

These things should be caught at the latest in the edit.

DirkFedermann

Great video as always. Interesting that in F1 the piston is considered part of the top end. It's always been considered part of the bottom end since it's inside the block.

FernandoGonzalez

Someone, please get Scarbs a freakin mic!

cukcuk

Makes a lot of sense, I remember seeing him hit the brakes almost immediately as the failure hit coming up the straight, light white smoke trailing after a few seconds, and as he came to a stop the bodywork popped and that must have been the turbo finally grenading which sparked the fire. Scarbs you're a legend as always.

Llamacowking

Question, when Sainz was rolling off the track, there was a clear explosion that occurred under the cover. That looked more like a turbo breaking apart.

adcampo

Love the data!! This channel is always awesome at breaking down complex concepts to the layman.

Just a bit of constructive criticism, maybe consider a quick transition when moving to sponsors, as it is a bit jarring/confusing when moving from one topic from another without missing a beat. Not a big deal, for sure, just wanted to give my 2 cents. Keep up the great work!!

LPChipi