Super Formula will try and emulate the sound of a V8 engine in its next scheduled test for its development cars at Sugo next month.
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The Japanese championship has been holding tests with its two development SF19 cars before or after each race weekend so far this year as it seeks to reduce its carbon footprint and improve the quality of the race.
This week's two-day test at Autopolis on Wednesday and Thursday marked the third such test with development drivers Koudai Tsukakoshi and Hiroaki Ishiura.
So far, the focus of the tests has been trialling tyres and carbon-neutral fuel made from more sustainable sources, as well as hemp-based bodywork, and experimenting with different downforce levels.
But on Saturday at Autopolis, the boss of Super Formula promoter JRP, Yoshihisa Ueno, revealed that an engine sound experiment will be held at the next test, scheduled for the two days after the Sugo event on June 19.
Super Formula has used two-litre turbocharged inline four-cylinder engines since the 2014 season, but Toyota and Honda both supplied V8 engines from 2006-13. Prior to that, the series' spec Mugen engine was also a V8.&nbsp;
The Sugo test will still use the standard inline four engines, but a new exhaust pipe layout has been developed by Toyota to try and emulate the sound of a V8.
This involves creating a separate exhaust pipe for the turbo wastegate, instead of the exhaust gases from the wastegate using the main exhaust pipe.
In theory, this will double the sound produced by each individual cylinder per revolution, simulating an extra four cylinders' worth of engine noise.
However, the technical director for Super Formula's next-gen test programme, Yoji Nagai, suggested that it is unlikely that such an innovation, even if successful, will be introduced as early as next season.
Ueno confirmed that spectators will be welcome to watch the test take place at Sugo on June 20-21.
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Super Formula

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By: Jamie Klein, Co-author: Kenichiro Ebii

Super Formula to try simulating V8 engine sound in next test

The intriguing, serrated floor edge that Alfa Romeo revealed at the launch of its new Formula 1 car has been confirmed as a &lsquo;fake&rsquo; by team insiders.
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The Hinwil-based operation was the first squad to unveil a genuine 2023 challenger earlier this year at an event it held in Zurich.&nbsp;
Launch renders of the new C43 showed the car with a unique serrated solution that featured a run of fins all along the edge of the floor.&nbsp;
However, when the new car ran for the first time in a shakedown at Barcelona, the floor design was very different and was much more traditional.
That prompted a number of theories, including that Alfa Romeo could be waiting to unleash the floor later in the year, or it was a development route that got abandoned early on.&nbsp;
There were also suggestions that Alfa Romeo had played a trick with its launch images &ndash; and played around with the design to not show off what it was really doing with this critical area of the car.&nbsp;
With the season now underway, high-level sources within Alfa Romeo have confirmed that the serrated floor design was indeed a total fake &ndash; put on the car as a bit of fun and to distract rival teams about what it was up to.&nbsp;
What made the Alfa Romeo launch floor so intriguing was that while it seemed extreme, it did appear to be a perfectly acceptable approach to dealing with the current F1 regulations.&nbsp;
From a legality perspective, the vertical flap and the nine winglets attached to it appeared to obey the rules laid out for the floor edge and the 'edge wing', with the vertical flap they are anchored to being aided by the brackets that are also allowed.
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Other than the winglets being mounted upon the vertical flap, there were two interesting side effects to note in this solution.&nbsp;
Firstly, on the left, you could see how the flap would provide a corridor for the airflow between it and the sidepod's flank.&nbsp;
Secondly, on the right, the flap was mounted above the floor edge's level (dotted yellow line to help show the separation), with the brackets allowing the airflow a route with which to circulate to the outside of the flap.&nbsp;
However, while legal, it is now clear that Alfa Romeo never seriously intended to race with the floor &ndash; and instead it was all just part of the pre-season gamesmanship with rivals.&nbsp;
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Alfa Romeo

Formula One

By Jonathan Noble

Alfa Romeo’s mystery F1 2023 launch floor was a total fake

Toto Wolff insists his Mercedes Formula 1 team is "sticking together" amid comments from Lewis Hamilton that it 'didn't listen' to his input on the 2023 car.
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After making rapid progress towards the end of a troubled 2022 campaign, Mercedes was hopeful of closing the gap with Red Bull and Ferrari but instead has found itself further adrift in the Bahrain Grand Prix.
Mercedes came out of the 2023 season opener as the fourth-fastest team after Hamilton was powerless to resist Aston Martin's Fernando Alonso on his charge to the podium behind both Red Bulls. Team-mate George Russell was similarly beaten to sixth by Lance Stroll.
Having dialed out crippling porpoising issues with help from the raised floor rules for 2023, Mercedes hoped it would finally be able to unearth the full potential of its design philosophy.
But when Bahrain qualifying confirmed that Mercedes had regressed instead, team boss Wolff admitted the Brackley outfit would have to abandon the W14's design concept, saying he "didn't think this package is going to be competitive eventually."
After the race Lewis Hamilton told BBC 5 Live that the team 'didn't' listen' to his input on the 2023 car, saying: "Last year, there were things I told them, I said the issues that are with the car.
"I've driven so many cars in my life, so I know what a car needs, I know what a car doesn't need. And I think it's really about accountability.
"It's about owning up and saying: 'Yeah, you know what? We didn't listen to you. It's not where it used to be and we've got to work.'"
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Despite those hints of frustration from the seven-time world champion, Wolff insisted the team is sticking together and its strong relationship with Hamilton is intact.
"The Lewis situation is you heard him on the radio. He is an integral part of the team, picking the team up and we are all sticking together and I don&rsquo;t think that is going to change just because we had a start that was really bad," Wolff said.
"We have won eight constructors' championships and six drivers&rsquo; championships with him and that relationship holds.&rdquo;
Hamilton's Mercedes deal is running out at the end of the year, but Wolff says he is not yet worried about losing the eight-time world champion.
"As much as being transparent as to how we need to turn the car around, it is not the point to talk about the driver situation in 2024," he replied when asked if he has a plan B in case Hamilton decides to walk away.
"It is far too early, we need to all push in then same direction, the drivers, the engineers, all the management rather than throwing in the towel. We have never done that and we will not do it.&rdquo;
"We just need to really dig deep and deeper than we have every done and provide both drivers with a car they are able to fight with."
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Torger Christian Toto Wolff

Mercedes

Lewis Hamilton

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By Filip Cleeren

Wolff: Mercedes F1 "sticking together" amid Hamilton's 'didn't listen' remarks

McLaren technical director James Key says that the team's current problems result from a late change of aerodynamic philosophy triggered by the 2023 Formula 1 rule changes.
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Last summer the teams and the FIA agreed to a rise of 15mm in the floor edge height as part of an attempt to address porpoising.
Having tried the new spec in the wind tunnel, McLaren decided that it would be difficult to recover performance with the 2023 car with the package it was running.
Thus, in September, the team decided to take a different route, one that offered much more potential.
The call was made too late to ready the full new package for Bahrain, which is why the team is instead aiming to make a big leap when it is introduced in Baku.
"Where this happened actually is when we took the 15mm floor step," said Key.
"So we all agreed that as porpoising protection, which was very sensible given at the time last year that was still quite a major issue. It began to improve for everyone as things improved during the year.
"That sounds very small, but these floors are huge and incredibly sensitive. Look at how much downforce it generates, massive. So when we did it on our car, it actually gave us a much bigger loss than anticipated. It seems to have affected different teams in different ways.
"And to a certain extent, it seems to be related to the floor edge geometry that you're running at the time."
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The call was made too late to ready the full new package for Bahrain, which is why the team is instead aiming to make a big leap when it is introduced in Baku.
"Where this happened actually is when we took the 15mm floor step," said Key.
"So we all agreed that as porpoising protection, which was very sensible given at the time last year that was still quite a major issue. It began to improve for everyone as things improved during the year.
"That sounds very small, but these floors are huge and incredibly sensitive. Look at how much downforce it generates, massive. So when we did it on our car, it actually gave us a much bigger loss than anticipated. It seems to have affected different teams in different ways.
"And to a certain extent, it seems to be related to the floor edge geometry that you're running at the time."
"Which is a big change, because they're very big projects, and very complex projects.
"So I think the timing of the reg, and the fact that we took a particularly large hit, and then that it clearly wasn't going to come back easily, meant that we had to change direction quite late."
Key insists that the reason why the team didn't rush to get the complete new package to the first race in Bahrain was because it wanted to ensure that it was fully developed and understood.
"It wasn't like we were dawdling around and thinking what to do, and actually why don't we do this," he said. "It was sort of forced upon us by a recognition that the new regs weren't going to recover with what we knew from last year.
"That led to a completely refreshed and revamped approach to that area of the car. It takes a while to develop these things. We tried to get it for race one, it wasn't mature enough.
"It would have performed a bit better. But with these floors, you've got to maintain stability, good correlation and everything else to guarantee that it's going work, and it was a little bit risky for race one."
Asked by Motorsport.com if it was frustrating to have made the call so late, Key said: "Absolutely, I mean, it is frustrating because, to be honest, the route we're on now seems to be pretty prolific, it's doing what we hoped it would do. There's still some work to do.
"The development rate on that is so much higher than what we had. Had the reg been earlier or had we clocked the fact that actually you need to do a different thing with this four weeks earlier, we wouldn't be talking about it right now, to be honest.
"So it's a bit it's a bit of a shame, but we are where we are, and we're just going to recover from it."
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McLaren

2023 Bahrain Grand Prix

By Adam Cooper

How a 15mm difference triggered McLaren's F1 2023 woes

The reigning double world champion has won the last two Spanish Grands Prix at Jerez but comes into this weekend off the back of a non-score in Portugal and a struggle to sixth in America.A key issue for Bagnaia has been a vibration on the rear which has intermittently cropped up over the first three rounds and is something other Ducati riders have battled.After a low-key start to practice on ...<a class='more' href='https://www.motorsport.com/motogp/news/bagnaia-used-jerez-motogp-practice-as-a-test-for-big-change/10603661/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=www'>Keep reading</a>

The reigning double world champion has won the last two Spanish Grands Prix at Jerez but comes into this weekend off the back of a non-score in Portugal and a struggle to sixth in America.A key issue for Bagnaia has been a vibration on the rear which has intermittently cropped up over the first three rounds and is something other Ducati riders have battled.After a low-key start to practice on ...Keep reading

Bagnaia used Jerez MotoGP practice as a test for "big" change

Vermeulen is about to embark on his second season in the DTM with Emil Frey Racing after a rookie campaign in which he finished 16th in the standings with a best finish of fifth at the Sachsenring.The 21-year-old’s Ferrari 296 GT3 will once again carry the colours of Verstappen.com Racing, a project that was started by the triple F1 champion in 2022.Having mentored the young Dutchman over the ...<a class='more' href='https://www.motorsport.com/dtm/news/verstappen-on-dtm-protege-vermeulen-he-is-always-within-two-tenths-of-me/10603566/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=www'>Keep reading</a>

Vermeulen is about to embark on his second season in the DTM with Emil Frey Racing after a rookie campaign in which he finished 16th in the standings with a best finish of fifth at the Sachsenring.The 21-year-old’s Ferrari 296 GT3 will once again carry the colours of Verstappen.com Racing, a project that was started by the triple F1 champion in 2022.Having mentored the young Dutchman over the ...Keep reading

Verstappen on DTM protege Vermeulen: He is always within two tenths of me

The South African made a strong start to the season in Qatar with a brace of podiums in the sprint and grand prix but hasn’t made it to the rostrum since.In America, various set-up changes backfired on him and he failed to make it out of Q1 while only managing a rise to ninth in the grand prix.Though a crash late in second practice on Friday at Jerez saw him slip into Q1, Binder says tweaks to ...<a class='more' href='https://www.motorsport.com/motogp/news/binder-had-my-bike-back-in-jerez-motogp-practice-breakthrough/10603651/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=www'>Keep reading</a>

The South African made a strong start to the season in Qatar with a brace of podiums in the sprint and grand prix but hasn’t made it to the rostrum since.In America, various set-up changes backfired on him and he failed to make it out of Q1 while only managing a rise to ninth in the grand prix.Though a crash late in second practice on Friday at Jerez saw him slip into Q1, Binder says tweaks to ...Keep reading

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