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  • The impact of ice build-up on the aero of WRC cars
  • How very low ambient temperatures impact on the aero of WRC cars
  • The success of the aero design of the Ford Fiesta WRC
  • Cooling issues at Rallye Monte-Carlo 2021
  • What’s the deal with the new modifications in the Hyundai i20 Coupé WRC 2021?
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Aero basics

2021 Aero basics WRC 

The impact of ice build-up on the aero of WRC cars

2021-02-222021-02-22 llluis555 6 Comments

We reviewed in our last article the impact of the very low temperatures on the aero of the WRC cars.

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2021 Aero basics News Top story 1 WRC 

How very low ambient temperatures impact on the aero of WRC cars

2021-02-152021-02-22 llluis555 4 Comments

Next week a new event will join the WRC Championship. Held inside the Arctic Circle, the Arctic Rally Finland will

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2021 Aero basics Hyundai News Top story 2 WRC 

What’s the deal with the new modifications in the Hyundai i20 Coupé WRC 2021?

2021-01-182021-02-15 llluis555 8 Comments

The season 2021 is about to start and, as usual, the teams have been working on some aero modifications to

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Aero basics WRC History WRC History top 

Wind tunnels in the history of WRC

2020-10-262021-01-01 llluis555 3 Comments

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 basics Top story 2 

Suspension, grip and aerodynamics

2020-05-242020-06-17 llluis555 0 Comments

The main goal of suspension is to ensure optimal contact of the wheel with the road to get maximum grip.

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Aero basics WRC History 

Aerodynamics and cooling for the Safari Rally in the old days

2020-05-172020-12-18 llluis555 4 Comments

The recent confirmation of the cancellation of the 2020 edition of the iconic Rally Safari means that we will have

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Aero basics Top story 2 WRC 

A rear wing is not a spoiler

2020-05-032020-06-08 llluis555 6 Comments

The aero device most of WRC cars have above the boot lid, over the rear window or at the rear

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Aero basics Top story 2 WRC 

Mads Østberg interview on the aero of current and future WRC cars

2020-04-052020-05-03 llluis555 1 Comment

Due to the current interruption of the 2020 WRC season, we wanted to spend some time to reflect on topics

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Aero basics Top story 2 

WRC cars’ brakes cooling airflow review: air removal

2020-03-292020-04-20 llluis555 8 Comments

In a previous post, we reviewed how fresh air is forced into the brakes of a WRC car for cooling

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Aero basics Top story 2 WRC 

WRC cars’ brakes cooling airflow review

2020-03-222020-04-12 llluis555 9 Comments

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 basics Top story 2 

Analysis and optimization of a WRC car by CFD – the Airshaper tool

2020-03-022020-05-24 llluis555 0 Comments

The aerodynamics of a WRC car can be analyzed & optimized through numerical simulation (CFD – computational fluid dynamics), experimentation

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2020 Aero basics Top story 2 WRC 

Aerodynamics of Rally Sweden

2020-02-122020-12-31 llluis555 0 Comments

In spite of the special conditions this year, Rally Sweden continues to be one of the most specific events of

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2019 Aero basics Top story 2 WRC 

How aerodynamics of WRC cars change in a mixed surface event: Rally Catalunya 2019

2019-10-222020-12-31 llluis555 1 Comment

Rally Catalunya has been the only event in the season with a combination of gravel and tarmac stages since 2010.

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Aero basics Top story 2 WRC 

Internal flow in a WRC car: engine cooling

2019-06-242019-08-05 llluis555 2 Comments

The main goals of the aero design of a WRC car include to reduce drag and to generate downforce while

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2019 Aero basics Top story 2 WRC 

Dust flow visualization images from Rally Portugal

2019-06-042021-01-01 llluis555 2 Comments

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 basics Top story 2 WRC 

Roof scoops in WRC cars

2019-05-072019-05-23 llluis555 0 Comments

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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Aero basics Top story 2 WRC 

Understeering and aerodynamics of a WRC car

2019-04-022019-05-14 llluis555 0 Comments

Understeering was the second issue most cited during the last Tour de Corse… the first being puncture. Aerodynamics have little

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2019 Aero basics Ford Top story 2 WRC 

Aero modification on the front of the Ford Fiesta WRC in Mexico

2019-03-072021-01-01 llluis555 2 Comments

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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Aero basics Top story 2 WRC 

Impact of altitude on the aerodynamics of WRC cars

2019-03-042019-04-02 llluis555 0 Comments

The coming rallies of Mexico and Argentina include some of the stages at a higher elevation of all the season.

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Aero basics Top story 2 WRC 

Aerodynamics of lamp pods in WRC cars

2019-02-252019-03-25 llluis555 5 Comments

Night stages have become rather unusual in the current Championship, while, not many years ago (last one was in 1996)

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2018 Aero basics Ford WRC 

Review of the Ford Fiesta WRC new rear diffuser

2018-10-152021-01-01 llluis555 4 Comments

The new Ford Fiesta WRC aero kit introduced in the Rally Finland, and that probably will be used again by

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Aero basics Hyundai Top story 2 

Hayden Paddon’s new Hyundai i20 AP4++ aerodynamic proposals

2018-09-242020-06-28 llluis555 0 Comments

Since 2016, New Zealander Hayden Paddon has been combining its presence in the WRC with some participation in his home

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Aero basics Citroën Ford Hyundai Toyota WRC 

Wheels impact on the aerodynamics of a WRC car: deflectors and wheel diffusers.

2018-09-192020-11-28 llluis555 0 Comments

Wheels have a significant impact on the aerodynamic performance of any car, and also on WRC cars, in spite of

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Aero basics Citroën Ford Hyundai Toyota WRC 

Aerodynamics of WRC cars sideways: endplates and vertical fins

2018-08-082020-06-28 llluis555 2 Comments

One specific characteristic of rally cars is that drivers make them slide when cornering, to better position the car for

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2018 Aero basics Ford Hyundai Toyota WRC 

Why the new Ford Fiesta WRC 2018 have such big rear wheel arch extensions?

2018-07-282021-01-01 llluis555 5 Comments

The recent modification of the Ford Fiesta WRC before Rally of Finland has put the spotlight on the size of

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2018 Aero basics Ford WRC 

Deconstruction of the Ford Fiesta WRC car aero test in the wind tunnel

2018-05-142021-01-01 llluis555 5 Comments

The recent aero test of the Ford Fiesta WRC developed in the wind tunnel of Windshear in Concord, near Charlotte,

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Aero basics Citroën Ford Hyundai Toyota WRC 

Exhaust blown diffusers in WRC

2018-05-042020-11-28 llluis555 4 Comments

One of the most significant aero modifications of the current WRC car generation unveiled in 2017 was the inclusion of

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Aero basics WRC 

Mads Østberg interview and aerodynamics in a WRC jump

2018-03-172020-11-28 llluis555 5 Comments

Colin’s crest in Sweden, Micky’s jump in Sardinia, Fafe in Portugal or El Brinco in México, are some of the

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2018 Aero basics Citroën Ford Hyundai Toyota WRC 

2018 WRC winter tests: time for side mirrors review

2018-03-012021-01-01 llluis555 7 Comments

The tests the WRC teams have been developing during the 2018 winter, for the preparation of the first three rallies

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2018 Aero basics Citroën Ford Hyundai Toyota WRC 

Dive planes in 2018 WRC rally cars

2018-02-202021-01-01 llluis555 2 Comments

Snowbanks in the recent Rally Sweden has put once again in trouble the refined aerodynamic design of the 2017 WRC

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2018 Aero basics Citroën Ford Hyundai Toyota WRC 

Dan Gurney footprint in 2018 WRC cars

2018-01-202021-01-01 llluis555 1 Comment

The figure of Dan Gurney, who unfortunately left us this week, will be remembered both for his sporting successes and

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2018 Aero basics Toyota 

Toyota Yaris WRC first tests for 2018

2017-11-082021-01-01 llluis555 5 Comments

Toyota Gazoo Racing WRT Team has started the test program for the development of new modifications for the 2018 Yaris

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2017 Aero basics Citroën Ford Hyundai Toyota WRC 

Underbody aerodynamics of the 2017 WRC cars

2017-10-202021-01-01 llluis555 8 Comments

With the new regulations for 2017, the WRC undercar aerodynamics have been the object of deep study from all teams,

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2017 Aero basics Citroën Ford Hyundai Toyota WRC 

Design of 2017 WRC cars: CFD or wind tunnel?

2017-08-082021-01-01 llluis555 5 Comments

The design of 2017 WRC cars was done in a relatively short period of time, as rules were initially approved

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2017 Aero basics Citroën Ford Hyundai Toyota WRC 

2017 WRC aero reliability and wakes

2017-07-032021-01-01 llluis555 0 Comments

2017 Rally Poland stages have shown again the sensitivity of new aerodynamic appendices to impacts, as well as their crucial

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2017 Aero basics Citroën Ford Hyundai Toyota WRC 

Reliability of aerodynamic packages in WRC 2017 cars

2017-05-022021-01-01 llluis555 0 Comments

New 2017 WRC car aerodynamics have proven to have a weak point after only five races have been completed. High

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2017 Aero basics Citroën Ford Hyundai Toyota WRC 

Aerodynamic features of 2017 WRC cars

2017-02-172021-01-01 llluis555 1 Comment

2017 New generation of WRC cars has introduced a bunch of aerodynamic modifications that deserve a deep review, in addition

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2017 Aero basics Citroën Ford Hyundai Toyota WRC 

WRC 2017 rear wing comparative

2017-01-042021-01-01 llluis555 1 Comment

Once all manufacturers have officially presented their new cars for 2017 WRC season, except Volkswagen (who finally renounced to participate

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2016 Aero basics Citroën Ford Hyundai Toyota WRC 

Diffusers revolution for 2017 WRC cars

2016-11-152021-01-01 llluis555 3 Comments

Rear diffusers have been extensively tested in the new 2017 WRC cars, in order to increase grip at the car’s

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Aero basics Subaru 

How rear wing affects WRC handling

2015-11-262018-12-29 llluis555 0 Comments

Finland Rally, 2004 – Petter Solberg – Subaru Impreza WRC Watch this video  

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Aero basics 

Wing vs spoiler

2015-11-242020-05-03 llluis555 0 Comments

An automotive airfoil (wing) is shaped like an upside-down airplane wing — it deflects airflow upward to generate down-force on

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