Why F1 BANNED the MGU-H

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Published 2022-08-20
🔧 Thanks to Scarbs for joining us once again! Go follow him on Twitter for F1 Tech news! 👉 twitter.com/ScarbsTech

F1 engines are excellent at the moment. Us oldies that love the V10s whinge a bit about the noise, but you can deny that they deliver 1000 horsepower, are extremely efficient with their hybrid systems and do it all without using more fuel than your Corolla (not actually true, but you get my drift).

But, Formula 1 could be banning the MGU-H in the 2026 engine regulations. And that’s a bigger deal than you might initially think.

Its going to ruin the drivability of these engines, and likely make them less efficient. So let me explain whats going on, and we can decide together, whether this is a good or a bad thing.

Lets go.

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#F1 #F1Engines #MGUH

All Comments (21)
  • So what you're telling me is Seb might suddenly find his old driving style to be dominant in 2026. Here's hoping he pulls a Raikkonen around then (but slightly more successful)
  • Guys, great video. Thank you for giving me a new perspective. But Scott and Scarbs were so quiet today, especially Scott. Please turn up the volume for the next video
  • @theislandsc
    Along with the MGU-H, variable trumpets have been banned which will affect the throttle response and entire power curve. I think F1 like the rest of the world are relying on the electric power train to solve everything. What they don’t realize is if we wanted an all electric motorsport we’d watch Formula E. Making the cars harder to drive by limiting them is the wrong direction for F1.
  • @rob1129
    I don't like the idea teams losing out on all the R&D put into a system in order to appease an incoming manufacturer
  • @Egersunder1
    The sound volume in this video is extremely low.
  • @Hybridesque
    I feel like it's a bad thing, a load of energy not being recovered from the exhaust gas stream. Mercedes did manage to get 50% thermal efficiency with the current arrangement (on the Dyno), wonder if it's possible to go further. One thing they don't tell you is that in the rules, they can extract energy directly from the MGU-H and run it straight to the the MGU-K without it counting towards the Harvesting cap.
  • @Videomorgue
    Strange how much of an influence Porsche has as a company that doesn't even race in F1 yet.
  • @abnfalcon3901
    I am curious to see how drivers will adapt their driving styles according to the new engines, Someone might take inspiration from Senna's Throttle blipping technique to spool up the Turbo and make it drivable
  • @Cecil97
    well their big head liner of "more sustainable" doesn't make sense when they get rid of a technology that recovers so much energy
  • F1 is the pinnacle of motor sport and the FIA just keeps taking away which I strongly disagree with
  • @cdbtheclaw
    Aww man I feel really bad for Seb retiring now. The way you have to take on a corner with these new engines will be exactly to his liking.
  • @Booka3141
    Madness, if the whole poiny of modern regs is to make racing as efficient as possible why would ban this genius bit of engineering. The whole 'lack of road car applicability' is also daft, there are so many aspects of an F1 car that are not remotely applicable to road cars. The development costs have already been applied, thowing away after its implemented and working reliably is a huge waste of money.
  • @comradical
    The thing that was not mentioned here is that the kinetic recovery unit is getting a significant size and energy input and output increase next year as well, meaning that the problem of generating torque coming out of a corner moves from ICE + Turbo to primarily the electric motor sitting on crank. Meaning that you can shape the torque curve from the torque generated by this electric motor against the torque coming from ICE, meaning that you can still have a predictable torque curve coming off a corner. Porsche did this effectively in the 919.
  • @alancx523
    Aren't they increasing the capacity of the batteries, such that they will give a higher portion of available power? If so, wont the loss of the H mean they have difficulty fully recharging?
  • @gixxar6
    4:05 The clip you showed is the 'blow-off valve'. This is on the intake just before the throttle body. Not the wastegate, big difference! :D Apart from that, good work. BOVs are designed to stop the turbo being damage when you smash the throttle plate shut with huge amounts of air having nowhere to go.
  • "Why the FIA Banned Genius" There's the title of everything.
  • @chrisc475
    I've never fully understood the way the MGUH works until now, thank you. It's a brilliant invention and exactly what F1 should be all about. Shame.
  • Why ban? Make it optional, maybe with lowered weight, bigger engine,... It could be great to see different systems on different tracks having other strengths