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re: 2025 Formula 1 Season Thread
Posted on 12/19/25 at 5:06 pm to s14suspense
Posted on 12/19/25 at 5:06 pm to s14suspense
quote:
Turns out that fuel power and not fuel flow will be measured next year. Basically denser energy fuel can be used to save weight and gain power, but less fuel can be flowed if that happens.
That makes it seem like they are expecting teams to show up with wildly different fuel blends this year. It might play a bigger role in the championship than I thought. Is testing fuel power a way to keep everyone close?
This post was edited on 12/19/25 at 5:08 pm
1
Posted on 12/19/25 at 5:30 pm to MississippiLebowski
quote:
That makes it seem like they are expecting teams to show up with wildly different fuel blends this year.
The only reason F1 has hybrids is that the engine suppliers want to work on future technologies. Sustainable fuels is the next area that they have a big interest in, and it could mean great things for F1 in the future (our dream of getting rid of hybrids).
The way I see it, there are two main goals for sustainable fuels aside from the obvious meeting of emissions goals, and that would be reducing costs (for future road car use), and approaching the energy density of fossil fuels. This reminds me of the tire wars that drove Goodyear out and resulted in an intense battle between Bridgestone and Michelin. Some people didn't like it because it could result in one tire having a significant advantage and then the teams that used the other tire would all be screwed. This also reminds me of CART in the 90s when Reynard created the dominant chassis, and forced even Penske to give up their own car designs.
quote:
Is testing fuel power a way to keep everyone close?
So this is an interesting dilemma. One one hand, we all want them to develop the highest energy densities possible, but it could create a competitive imbalance that needs to be addressed. It would seem counterproductive to have a "maximum energy density" rule.
Posted on 12/19/25 at 6:04 pm to TouchedTheAxeIn82
I’m all for trying anything that could lead them back to V-10s. I think it’s good for development to give them the space and opportunity to go in different directions. I don’t like BOP or balance of power racing tho. I think it discourages development when the team that builds the fastest car is forced to make it slower so other teams can keep up. That said I do understand that we can’t have one team show up running rocket fuel or something crazy so there has to be regulations. I’m excited to see actual cars on track.
Posted on 12/19/25 at 7:47 pm to MississippiLebowski
quote:
The fuel in the race cars makes up 1% of the total fuel usage of Formula 1.
This is an incredible stat.
Think about how much fuel they use flying the full wet tires around to basically never use them.
Posted on 12/19/25 at 10:05 pm to MississippiLebowski
Everyone should use the exact same fuel
Posted on 12/19/25 at 10:17 pm to TouchedTheAxeIn82
So I only perused the fuel regs and didn't really dive too deep in. There are likely plenty of things I missed.
That said, they are running way closer to diesel with these specs than what we think with high octane race fuel. Not that the aromatic and octane isn't a major influence but the compression ratios and energy density is going to push to a heavier fuel, at least my concept of this is how it would work. I don't have a concept of fuel weight and use in the method they want.
This does play into the idea of a workhorse engine to power an electrical drivetrain. Delaying detonation has to be a major factor. Way higher flash point and higher energy density. Could be seen as a precursor to safer refueling as well.
That said, they are running way closer to diesel with these specs than what we think with high octane race fuel. Not that the aromatic and octane isn't a major influence but the compression ratios and energy density is going to push to a heavier fuel, at least my concept of this is how it would work. I don't have a concept of fuel weight and use in the method they want.
This does play into the idea of a workhorse engine to power an electrical drivetrain. Delaying detonation has to be a major factor. Way higher flash point and higher energy density. Could be seen as a precursor to safer refueling as well.
Posted on 12/20/25 at 3:00 pm to fightin tigers
Posted on 12/20/25 at 3:17 pm to MississippiLebowski
I thought about this a little more and don't have a clue what solution works here.
Merc and Red Bull are probably too far along in engine development that a major change would certainly put them at a disadvantage.
Those two teams seem the most likely to have passed this by the FIA before doing it. Much like DAS or RBR ride height workaround.
If they let Merc and RBR (RBPT) continue I think we have the answer on who will dominate the formula.
Merc and Red Bull are probably too far along in engine development that a major change would certainly put them at a disadvantage.
Those two teams seem the most likely to have passed this by the FIA before doing it. Much like DAS or RBR ride height workaround.
If they let Merc and RBR (RBPT) continue I think we have the answer on who will dominate the formula.
Posted on 12/20/25 at 5:25 pm to fightin tigers
Mercedes is providing engines for half the grid next season, between them and Red Bull powertrains that’s 6 outta 11 teams. They might have to allow it and give Ferrari and Honda some extra development time to catch up. Rumor is this only came to light when an employee switched teams and talked.
Posted on 12/20/25 at 6:44 pm to fightin tigers
Read something earlier about last year’s engines being 18:1 and they went down to 16:1 this year. That’s lame.
Posted on 12/20/25 at 8:40 pm to s14suspense
quote:
Read something earlier about last year’s engines being 18:1 and they went down to 16:1 this year. That’s lame.
I think it is the reverse. Was 16:1 and now 18:1.
Diesel engines are about 20:1.
Posted on 12/20/25 at 8:47 pm to fightin tigers
quote:
“one of the parameters changed in the 2026 regulations. This represents a reduction from the 18.0:1 value set by the previous regulations, now lowered to 16.0:1 for the upcoming season.”
LINK
Posted on 12/20/25 at 8:51 pm to s14suspense
Oh shite. I read that wrong. I thought they went the other way.
Posted on 12/20/25 at 9:40 pm to fightin tigers
Yeah, I don’t know why they would do that.
Posted on 12/21/25 at 8:04 am to fightin tigers
quote:Audi finna eat
Diesel engines are about 20:1.
Posted on 12/21/25 at 9:27 am to UncleFestersLegs
Posted on 12/21/25 at 2:57 pm to UncleFestersLegs
quote:
Audi finna eat
I guess Audi really is making their own engines this year? Good for them going all in.
Posted on 12/22/25 at 8:44 am to s14suspense
quote:
I guess Audi really is making their own engines this year? Good for them going all in.
There was a rumor a while back that Porsche was quietly helping them with the engine. Not sure if it was true or just a click bait YouTube video. They are both owned by Volkswagen tho.
Posted on 12/22/25 at 8:54 am to MississippiLebowski
quote:
There was a rumor a while back that Porsche was quietly helping them with the engine. Not sure if it was true or just a click bait YouTube video. They are both owned by Volkswagen tho.
It’s all VAG anyway.
Posted on 12/22/25 at 3:21 pm to s14suspense
Loading Twitter/X Embed...
If tweet fails to load, click here. “A reported compromise would allow Mercedes-powered teams to race with a non-compliant engine, provided they return to compliance in 2027 — a solution other teams oppose.”
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