Active suspension, or how to make the aero of a rally car more efficient
To @DemaMarcE, for inspiring this article One of the main problems of rally cars, in terms of aerodynamics, is the
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Author: llluis555
Subaru WRX STI and WRC-derived cars in the 2021 ARA Championship
An entry list with some surprises in the second event of the 2021 American Rally Association is a reason enough
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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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Wind tunnels in the design and evolution of current WRC cars
In the first article of the series devoted to wind tunnels, we reviewed the role of these facilities in the
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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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Aero chronicle of the ACI Rally Monza 2020
The weird 2020 season reached its end yesterday with the last stages of the ACI Rally Monza. It’s time to
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The new Hyundai i20 N Rally2 – aero review
Only a few days after the new Hyundai i20 N Rally2 was shown to the world, the first development tests
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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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Wind tunnels in the history of WRC
Wind tunnels have been present in WRC history since the moment that manufacturers realized that aerodynamics could also play an
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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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Mitsubishi Lancer WRC04 aero design and performance
The last evolution of the successful Mitsubishi Lancer to take part in the World Rally Championship (named as WRC04 and
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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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Aerodynamics and cooling for the Safari Rally in the old days
The recent confirmation of the cancellation of the 2020 edition of the iconic Rally Safari means that we will have
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Jari-Matti Latvala on the aero of old, current and future WRC cars
We continue our series of interviews with WRC drivers, as we recently did with Mads Østberg. Hearing the point of
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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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Updated WRC Homologation joker list
Early this week the FIA published the updated list of Homologation Vehicles and extension (20.04.2020 version) with the detail of
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Aero review of the Subaru Motorsport USA rally experience: the early years
The 2020 season will be the 20th season of the Subaru Motorsport USA engagement in the National Rally Championship, since
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Hyundai Accent WRC aerodynamics
Hyundai’s first approach to the rally world came as early as 1991, following Wayne Bell participation in some Australian events
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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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Are the current WRC cars’ aero devices really original?
One of the main characteristics of the current WRC car generation is the use of multiple aero devices in every
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End of year graphic review of innovative uses of WRC aero devices
The 2017 WRC car generation is well known by the use of big aero appendices, such as dive planes, side
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Potential aero improvements for the current WRC car generation
According to the first comments of the new Toyota drivers (Rovanperä, Evans and Ogier) after their first contact with 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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Rear cooling in RX Supercars
One of the most significative differences between WRC and RX cars (apart from the engine power) is the different location
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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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Aero review of Sunday’s Rally Catalunya 2019 stages
In this final post, we will review, the characteristics of Sunday’s Rally Catalunya 2019 stages and the significance of the
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Aero review of Saturday’s Rally Catalunya 2019 stages
In this post, we will review, the characteristics of Saturday’s Rally Catalunya 2019 stages and the significance of the aero
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Aero review of Friday’s Rally Catalunya 2019 stages
The 2019 edition of the Rally Catalunya is due to start in the next hours. Nine different stages will be
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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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Subaru Impreza WRC03 aero and rally performance
Only nine months after the introduction of the Subaru Impreza WRC01 into the World Rally Championship, Subaru and Prodrive decided
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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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Aerodynamics of the new Ford Fiesta R5 Mk2
Last June, M-Sport and Ford announced the introduction of the all-new EcoBoost-powered Ford Fiesta R5, also known as Mk2. Based
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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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Aero modifications in the new Škoda Fabia R5 Evo
After five years of success in the WRC2 Championship, as well as in many National and Area Championships, the Škoda
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World Rallycross supercars rear wing comparative
After our review of how RX Supercars generate downforce at the car front, we will cover in this post the
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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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Rallycross Supercars Aerodynamics: generating downforce from the car front
World Rallycross top category cars, also known as RX supercar, represents a parallel category to that of WRC cars, with
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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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Aerodynamics of WRC2 cars: Hyundai i20 R5
The decision taken by Hyundai in 2015 that it was time for enhancing their global motorsport image was the origin
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2019 WRC Aero development after the first 4 events
The World Rally Teams and drivers have almost covered one third of the season 2019, and, most important, all 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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Aerodynamics of WRC2 cars: Citroën C3 R5
One year after the debut of the car in the Tour de Corse 2018, it’s time to review the aerodynamics
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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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Aerodynamics of WRC2 cars: VW Polo GTI R5
Volkswagen Motorsport shocked twice the WRC world in the last decade: the first shock started in January 2013, when they
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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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Aerodynamics of WRC2 cars: Škoda Fabia R5
The Škoda Fabia R5 is the most successful car in the motorsport history of Škoda Auto. It was the successor
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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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WRC2 technical regulations, history and new Championships for 2019
The recent announcements by FIA on the creation of the WRC2 Pro Championship for registered manufacturers in 2019 in parallel to existing WRC2 Championship, now restricted to privateers, should be the definitive push of the top supporting championship. This article is an introduction to the WRC2 category and the first of a series of posts devoted at the aero of the WRC2 cars. We start with a quick review of technical regulations, history and new 2019 WRC2 Championships definition.
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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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2018 Aero jokers review, or how the WRC teams arrive to the decisive Rally Australia
Updated on Nov. 15th with new engine joker for Neuville’s car, and on Nov. 5th with WRC car homologation info
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Seat Córdoba WRC: an unfinished story
The Seat Córdoba WRC was the culmination of the rallying experience the Spanish manufacturer accumulated since the 70s. Built after
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Review of the Ford Fiesta WRC new rear diffuser
The new Ford Fiesta WRC aero kit introduced in the Rally Finland, and that probably will be used again by
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WRC car homologation
All current WRC car generation were homologated by FIA in December 2016, so that homologation was valid since January 1st,
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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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Wheels impact on the aerodynamics of a WRC car: deflectors and wheel diffusers.
Wheels have a significant impact on the aerodynamic performance of any car, and also on WRC cars, in spite of
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Subaru Impreza WRC 2001/2002
After the success of the Subaru Impreza since its launching in 1992, Fuji Heavy Industries decided, as early as in
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Aerodynamics of WRC cars sideways: endplates and vertical fins
One specific characteristic of rally cars is that drivers make them slide when cornering, to better position the car for
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Why the new Ford Fiesta WRC 2018 have such big rear wheel arch extensions?
The recent modification of the Ford Fiesta WRC before Rally of Finland has put the spotlight on the size of
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