New Rally1 technical regulations and aero trimming
The publication last week of the approved specific Technical Regulations for Rally1 Cars (Article 262 of 2022 Appendix J) brings
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Final fine-tuning of the aero configuration of the Toyota GR Yaris Rally1
The images of the Toyota test this week in France show what will probably be the final aero configuration of
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The new aero package of the 2022 Hyundai i20 N Rally1
The new aero package of the third 2022 World Rally Championship contender was unveiled this week during Hyundai’s test in
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Toyota tests a new rear wing for the 2022 GR Yaris Rally1
Only two days after the ending of the 2021 WRC season and teams have come back to work to prepare
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Graphical review of the aero evolution of the WRC cars (2017-2021)
The 2021 ACI Rally Monza will represent the last event for the most aerodynamic generation of WRC cars. It was
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Rear aero modifications for the 2022 Toyota GR Yaris Rally1
The development testing season for the 2022 Rally1 cars is reaching its climax as the end of the year approaches,
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Citroën C3 Rally2 aerodynamics and hybridisation with Mads Østberg and Didier Clement
The results in the Rally2 category in the recent edition of the Rally Catalunya confirmed that the Citroën C3 Rally2
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Five aero details of the 2022 Ford Puma Rally1
The recent tests developed on tarmac and gravel by MSport with the Ford Puma Rally1 in Central Catalonia represented a
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What the WRC drivers think about the 2022 hybrid cars
We took advantage of the recent Rally Catalunya to know the opinion of the WRC drivers about the new (hybrid)
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Borja Rozada and the technical role of a WRC codriver
Updated on November 7th with wrc.com video on Rally car set-up explanation. Spanish version of this article here. When we
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What Rally Finland’s jumps tell us about WRC aerodynamics
Rally Finland is usually one of the top moments of the year, as aerodynamics becomes critical in the smooth and
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Toyota proposal for rear diffuser replacement in the 2022 Rally1 hybrid car
The ban of the rear diffuser in the 2022 regulations (as far as we know about them) is arguably the
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Tech (aero) details at 2021 Ypres Rally
The debut of Ypres Rally in the World Rally Championship gives us a new opportunity to take a look over
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Adrien Fourmaux and the adaptation to the aero of a WRC car
The current WRC car generation is known for being the most developed rally car generation in terms of aerodynamics. Most
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Front aero of the new Ford Puma Rally1 WRC Prototype
Updated on July 10th, 2021 with new images and information M-Sport Ford World Rally Team (WRT) revealed last Thursday (July
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Rally Safari aero and dust images
The quality of the images offered by recent Rally Safari Kenya deserves yet another article, this time devoted to aero
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Hybrid unit cooling in 2022 WRC cars
After MSport, images from the 2022 WRC cars (or mule test cars) have been released through social media. All three
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On the aero of the 2022 WRC cars
The unknown of the 2022 WRC car generation started to clear out last week, when MSport published the first images
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Aero innovations at the Rally Croatia 2021
The first WRC edition of the Rally Croatia was the starting point for some aero innovations in the Toyota Yaris
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Benefits of the new 2021 Toyota Yaris WRC front aero package
During the pre-event tests for Rally Croatia held last week, Toyota has used again the latest front aero modifications of
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Tyres and aerodynamics in a WRC car
One of the main issues at the start of the 2021 WRC season has been the change of tyre supplier.
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Aero chronicle of Arctic Rally Finland 2021
This post is dedicated to the memory of the great Hannu Mikkola. RIP The first edition of the Arctic Rally
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The impact of ice build-up on the aero of WRC cars
We reviewed in our last article the impact of the very low temperatures on the aero of the WRC cars.
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How very low ambient temperatures impact on the aero of WRC cars
Next week a new event will join the WRC Championship. Held inside the Arctic Circle, the Arctic Rally Finland will
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The success of the aero design of the Ford Fiesta WRC
The season 2021 is launched after the Rallye Monte-Carlo, and not many things have changed since the last year. The
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Cooling issues at Rallye Monte-Carlo 2021
The 2021 edition of the Rallye Monte-Carlo has been celebrated under a variety of weather conditions. From sun to heavy
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What’s the deal with the new modifications in the Hyundai i20 Coupé WRC 2021?
The season 2021 is about to start and, as usual, the teams have been working on some aero modifications to
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New front aero modifications for the Toyota Yaris WRC 2021 at Pirelli tests
After Hyundai early this week, Toyota started yesterday their series of tests of the new Pirelli tires that they will
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New evolution of the Hyundai’s front aero package tested at Kehala Ralli
The participation of the duo Ott Tänak and Martin Järveoja in the 2020 edition of Kehala Ralli has been used
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Aero review of Hayden Paddon’s Hyundai Kona EV rally car
The Hyundai Kona EV rally car developed by Paddon Rallysport Group, Hyundai New Zealand and their partners and presented to
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Latest homologations in WRC and the potential return of the Citroën C3 WRC
The news about a potential return of the latest aero evolution of the Citroën C3 WRC to the WRC routes
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Aero chronicle of Rally Sardegna 2020
This article is dedicated to the memory of Laura Salvo. RIP Brake cooling issues, Loubet’s aero learning process, the Ford
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Modifications of the Ford Fiesta WRC’s front aero package
Updated on October 6th, 2020 at the end of the article Two weeks after the Toyota and Hyundai development tests
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Aero issues of Rally Turkey 2020
In a rally where punctures and dust played key roles, the cooling improvements, the reliability of the aero parts and
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Aero issues of Rally Estonia 2020
The return of the World Rally Championship after a six-month halt brought many aero issues to consider: from haybales to
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Why a higher ride height becomes a problem for Toyota in Rally Turkey?
The Toyota Gazoo Racing started yesterday the Rally Turkey pre-event tests in the area of Loutraki. One of the main
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Aero issues of the weekend: from M-Sport event to Lõuna-Eesti Ralli
The activity in the World Rally Championship is slowly returning to normality. After the Rally Estonia pre-event tests developed in
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Aero development continues for Toyota at Rally Estonia pre-event test
Toyota has been the first team to develop the Rally Estonia pre-event test, during this week. Elfyn Evans and Scott
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Hyundai tests additional front aero modifications in Finland
The week of development tests for Hyundai and Toyota in Central Finland keeps giving images of the new aero modifications
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Toyota development test in Central Finland
Toyota started yesterday a series of development tests in Central Finland, close to the location where Hyundai has resumed today
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Hyundai tests a new modification at the rear of the i20 Coupé WRC in Finland
Today the WRC stage activity interruption came to an end when the team Hyundai started a series of development tests
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Suspension, grip and aerodynamics
The main goal of suspension is to ensure optimal contact of the wheel with the road to get maximum grip.
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A rear wing is not a spoiler
The aero device most of WRC cars have above the boot lid, over the rear window or at the rear
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Mads Østberg interview on the aero of current and future WRC cars
Due to the current interruption of the 2020 WRC season, we wanted to spend some time to reflect on topics
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WRC cars’ brakes cooling airflow review: air removal
In a previous post, we reviewed how fresh air is forced into the brakes of a WRC car for cooling
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WRC cars’ brakes cooling airflow review
The heat that WRC cars’ brakes generate by friction needs to be cooled down to keep their performance consistent and
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Aero issues of Rally Mexico 2020: new Hyundai i20 Coupé WRC aero package and more
The new aero package of the Hyundai i20 Coupé WRC was the most visible aero issue of the 2020 edition
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Analysis and optimization of a WRC car by CFD – the Airshaper tool
The aerodynamics of a WRC car can be analyzed & optimized through numerical simulation (CFD – computational fluid dynamics), experimentation
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Hyundai evaluates significant aero modifications in Rally Mexico pre-event tests
The Rally Mexico pre-event tests started this week with the Toyota Gazoo Racing team in Almeria, Spain, as no tests
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Aero issues during Rally Sweden 2020
Rally Sweden 2020 was finally run under very difficult circumstances, and again some aero issues took place during the event.
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Aerodynamics of Rally Sweden
In spite of the special conditions this year, Rally Sweden continues to be one of the most specific events of
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Toyota starts testing the Yaris WRC design for 2021
Last Friday and Saturday, Toyota Gazoo Racing Team has been developing the first tests of the Yaris WRC design for
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Aero issues during Rallye Monte Carlo 2020
During the 2020 edition of Rally Monte Carlo, different issues related to aerodynamics have taken place, which are worth to
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Evolved rear diffuser for the Hyundai i20 Coupé WRC in Monte Carlo
As expected, Hyundai has introduced a new version of the rear diffuser for the i20 Coupé WRC car since the
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Hyundai opens pre2020 season tests with aero modifications for the i20 Coupé WRC
Updated on December 5th, 2019, with new images from Loeb/Elena tests The first images from the tests Hyundai is developing
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Aero development of the Citroën C3 WRC (2017-2019)
The decision of Citroën to quit the World Rally Championship at the end of the present season means the end
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Stage results confirm effectiveness of WRC Hyundai and Toyota 2019 aero modifications
Our recent review of the 2019 WRC aero modifications showed that the main changes were implemented by Hyundai and Toyota,
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2019 Balance of WRC Aero modifications, test days and jokers
Season 2019 is done, It is then the moment to take a look at all the aero modifications teams have
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Rally Catalunya 2019 stage results and aero review
The 2019 edition of the Rally Catalunya, the last on mixed surface, has been at the height of the best
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How aerodynamics of WRC cars change in a mixed surface event: Rally Catalunya 2019
Rally Catalunya has been the only event in the season with a combination of gravel and tarmac stages since 2010.
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Review of the Citroën C3 WRC aero test development in Catalunya pre-event tests
All pictures included corresponding to the Rally Catalunya pre-event tests held in the second week of October 2019. Citroën Racing
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WRC results in the fastest stages and aero balance
It is widely accepted that the higher the speed, the higher the role aero plays in its performance. Based on
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Toyota Yaris WRC modified rear wing for Rally Turkey
First images from Marmaris service park confirm that Toyota has introduced some significant modifications to the rear wing of the
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Modifications in the successful Toyota Yaris WRC in Rally Deutschland
The excellent team results obtained by Toyota in recent Rallye Deutschland, where they finished first, second and third) confirms the
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Toyota proposal of a modified rear wing for the Yaris WRC
The recent controversy on WRC rear wings that arose after Rally Finland might already have generated the first consequences, and
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Controversy on WRC rear wing dimensions and shape
As AUTOhebdo.fr, Autosport and Rallye Magazin published earlier this week, there seems to be some controversy with the dimensions and/or
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Post Rally Finland 2019 aero review
2019 edition of Rally Finland ended up yesterday with the results we all know: Toyota dominated most of the rally,
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2019 Rally Finland pre-event tests aero review
Far from taking holidays, the long six-week break between Sardegna and Finald have been used by all WRC teams to
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Hyundai tests a modified front aero package in Finland
Updated on July 15th During the first week of July, Hyundai developed a series of tests to evaluate some modifications
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Internal flow in a WRC car: engine cooling
The main goals of the aero design of a WRC car include to reduce drag and to generate downforce while
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Dust flow visualization images from Rally Portugal
Dust is a nightmare when you’re attending at some gravel events. But, at the same time, it can be very
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Toyota tests new air intakes for rear brake cooling of the Yaris WRC in Rally Portugal pre-event tests
During last weekend the Toyota Gazoo Racing WRC team has been developing their pre-event tests in preparation of Rally de
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Roof scoops in WRC cars
Temperature and dust are some of the most annoying factors for drivers and co-drivers in summer and/or gravel events. The
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Understeering and aerodynamics of a WRC car
Understeering was the second issue most cited during the last Tour de Corse… the first being puncture. Aerodynamics have little
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Aero modification on the front of the Ford Fiesta WRC in Mexico
Updated in March 9th, 2019 M-Sport surprised everybody with the announcement through social media of the introduction of modifications in
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Impact of altitude on the aerodynamics of WRC cars
The coming rallies of Mexico and Argentina include some of the stages at a higher elevation of all the season.
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Aerodynamics of lamp pods in WRC cars
Night stages have become rather unusual in the current Championship, while, not many years ago (last one was in 1996)
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Hyundai starts tests in Sweden for the improvement of the i20 WRC Coupé
After two months of intense redesign and testing work, the new season started with the 87th edition of the Rallye
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Citroën continues with the aero development of the C3 WRC for 2019
The final day of the tests carried out this week in Southern France by Citroën Racing WRT, with Esapekka Lappi
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Aero development of Citroën, M-Sport and Toyota in their pre-2019 WRC season tests
Updated December 12th, 2018 The preseason test period started a few days after the end of Rally Australia 2081, with
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Reliability of aero devices in 2018 WRC cars: Ott Tänak and M-Sport are the winners of our 2018 trophies
For the second year in a row (see last year review and awards), here’s our review on the reliability of
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Hayden Paddon’s new Hyundai i20 AP4++ aerodynamic proposals
Since 2016, New Zealander Hayden Paddon has been combining its presence in the WRC with some participation in his home
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