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WRCWings

@wrcwings

Aerodynamics of the WRC

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14.11.2024
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Latest posts by WRCWings @wrcwings

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Some of the WRC27 Rally1 concepts published today by
FIA seem to propose an intermediate aero package between those of the current Rally1 & Rally2 cars, which should help to differentiate them from Rally2 visually, but also in terms of performance #WRClive #WRCliveES #WRCjp

18.12.2025 18:24 πŸ‘ 6 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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First images of the Lancia Ypsilon Rally2 HF Integrale testing for Monte-Carlo & first novelty: extended side wing supports to prevent external airflow from entering under the wing, thus pressure is reduced under it, which becomes more effectiveπŸ“Ή by @passatsdecanto
#wrclive #wrclivees #wrcjp

12.12.2025 15:13 πŸ‘ 10 πŸ” 3 πŸ’¬ 1 πŸ“Œ 0
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No changes to #Rally1 technical regulations in 2026, as published today by @FIA, while minor changes for #Rally2: alternator belt becomes free & only a direct mechanical linkage between steering wheel and steered wheels is permited (also for Rally3/4/5)
#WRClive #WRCliveES #WRCjp

11.12.2025 18:11 πŸ‘ 5 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Completed the second week of development tests of the Toyota GR Yaris #rally2, this time on gravel of classic catalan rally stages #wrclive #wrclivees #wrcjp

07.12.2025 17:06 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Development on tarmac continued this week for the Toyota Yaris GR #rally2 - in the image with Juho HΓ€nninen at the wheel - in some old Rally RACC stages, while the fight for the titles was still on #wrclive #wrclivees #wrcjp

29.11.2025 19:23 πŸ‘ 5 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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The 2026 #WRC Sporting Regulations, published yesterday, allow engine replacements during a rally (with FIA consent) to all cars except Rally1 Manufacturer entries- to date it was only allowed before TC0. A 60-min penalty will apply & no points scored #WRClive #WRCliveES #WRCjp

26.11.2025 17:20 πŸ‘ 9 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Welcome back, Lancia!
#WRClive #WRCliveES #WRCjp #WRC2

18.11.2025 17:16 πŸ‘ 14 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0
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Toyota's wing mirrors impact performance so much (more grip) on the fast stages of #RallyCER that new ones are reinstalled during tyre fitting zones, forcing teams to carry spares all morning (~500 g extra), even though they can be lost again soon after
#WRClive #WRCliveES #WRCjp

19.10.2025 09:50 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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The FIA World Motor Sport Council approved today the creation of an RC6 class for Rally6 Group cars - Four-seater, two-wheel drive ICE cars, Standard 1.6T or 2.0 NA engine, power-to-weight ratio of 7.5 kg/hp. No news about WRC27 Regulations. #WRClive #WRCliveES #WRCjp

16.10.2025 17:08 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Detail of the Ford Puma #Rally1 front bumper intake coolers & intakes, ahead of Central European Rally, where an adequate protection will be crucial to prevent the accumulation of leaves that could reduce cooling capacity
#WRClive #WRCliveES #WRCjp #CER
πŸ“Έ by M-Sport

15.10.2025 16:21 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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TΓ€nak will contest CER in the previous spec (Monte-Carlo'25) car (above in the image) with a new engine, while Neuville & Fourmaux will drive the last evolution (Canarias'25) (below) with new damper struts. Note the different front damper angle
#WRClive #WRCliveES #WRCjp #CER2025
πŸ“Έ @HMSGOfficial

10.10.2025 14:09 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Preview
Rally2 brake cooling systems Thank you Martin Brady (codriver) for your support in the preparation of this article With the return of the WRC to tarmac, efficient braking becomes even mo

Brakes will be under greater stress than ever with the WRC’s return to tarmac. Higher speeds & more grip generate stronger braking forces, producing intense heat that must be dissipated to ensure performance. Here's our review of the Rally2 brake cooling systems
www.wrcwings.tech/2025/10/07/r...

07.10.2025 14:41 πŸ‘ 5 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Hyundai’s decision to make TΓ€nak's car ineligible for Manufacturers’ points from Central European Rally means no limits apply in the number of unsealed components - engines, turbos, chassis, subframes, steering racks, shock absorbers & onboard spares
#WRClive #WRCliveES #WRCjp

23.09.2025 15:48 πŸ‘ 7 πŸ” 1 πŸ’¬ 0 πŸ“Œ 1

Downforce diminishes from very small angles, as the wing becomes less effective. But with high angles, side force (or the force exerted by air against the sliping rear) plays a role in reducing the tendency to slip, thus helping the driver to control oversteering

16.09.2025 16:02 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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The aerodynamics of #Rally1 cars are designed (and wind tunnel tested) to work at maximum angles of 20ΒΊ. But reality proves that the cars are placed at higher angles in some corners (up to 40ΒΊ), such as in #RallyChile SS12 yesterday
#WRClive #WRcliveES #WRCjp
πŸ“Ή by Rally TV

14.09.2025 08:08 πŸ‘ 3 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
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New protection on the front air intake of today's Toyota GR Yaris #rally1 (top image) at #rallychile compared to yesterday's (bottom image), possibly to better protect the radiators while distributing the air differently
πŸ“Έfrom Rally.tv live transmission & @tgr_wrc
#wrclive #wrclivees #wrcjp

13.09.2025 15:13 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Preview
Simulator, Rally2 developments & the new Lancia! WRC contenders have used the week between Rally Paraguay and Rally Chile in different ways: while some took advantage of their time in the Americas to explore d

The week between #RallyParaguay & #RallyChile saw WRC contenders take varied approaches: from simulator work at @MSportLtd and testing new Rally2 developments, to the big surpriseβ€”the first glimpse of the Lancia Ypsilon Rally2
#WRClive #WRVliveES #WRCjp
www.wrcwings.tech/2025/09/09/s...

09.09.2025 14:48 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Ε koda has also been working this week on the development of the Fabia RS #rally2 , testing a car with a new, bigger roof scoop to improve temperature inside the vehicle, but which could affect the performance of the rear wing due to the increased wake from the enlarged intake.
πŸ“Έ Ε koda Motorsport

07.09.2025 08:13 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Busy week for Rally2 development: Toyota tests in Greece, Lancia unveils its Rally2 proposal & CitroΓ«n tests an evolution of the C3 #Rally2, with a centered exhaust pipe to better remove air from under the car (for more grip)
#WRClive #WRCliveES #WRCjp
πŸ“Ή by AdRallye

03.09.2025 17:29 πŸ‘ 5 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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Completely flat undercar in a event as fast as Rally del Paraguay ensures that air flows faster under the #Rally1 cars, thus reducing pressure under the car and increasing grip
#WRClive #WRCliveES #WRCjp #RallyDelParaguay #WRCinParaguay

31.08.2025 08:03 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Wing mirror replacement in all Toyota GR Yaris #Rally1 today at
Rally del Paraguay: return to the Safari mirror, less prominent (less air resistance) and more reliable
#WRClive #WRCliveES #WRCjp #RallyDelParaguay #WRCinParaguay
πŸ“Έ Toyota Gazoo Racing WRT

30.08.2025 16:07 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Different approach on the same jump of @officialrallypy by Toyota rally drivers: nose up (Katsuta), flat (RovanperΓ€), nose down (Ogier) or tilted sideways (Pajari)
#WRClive #WRCliveES #WRCjp #RallyDelParaguay #WRCinParaguay
πŸ“Έ Toyota World Rally Team

30.08.2025 07:19 πŸ‘ 4 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Growing rake - forward inclination of the floor for more front grip - at the start of #WRCinParaguay SD: smaller for the Puma, medium in the i20N & bigger in the Yaris (as usual) & significantly high ride height to avoid damages in an unknown terrain
#WRClive #WRCliveES #WRCjp

28.08.2025 13:16 πŸ‘ 4 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Rally1 Evolution: Technical Updates for late 2025 & 2026 The recent FIA’s approval of two extra chassis jokers for 2026, combined with Hyundai’s commitment to the 2026 season, has reshaped Rally1 teams’ developm

The approval of 2 extra chassis jokers for 2026, along with Hyundai’s confirmed entry, has shifted Rally1 development plans. Here's our look at the potential upgrades ahead for late 2025 & 2026.
#WRClive #WRCliveES #WRCjp #WRC #WRCinParaguay
πŸ“ΈAlex BΓ©got
www.wrcwings.tech/2025/08/25/r...

25.08.2025 13:16 πŸ‘ 4 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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An exceptional exhibition commemorating 60 years of CitroΓ«n Sport, with all the CitroΓ«n cars that have won in the WRC, Paris Dakar and other. If you are in north-eastern France or nearby, don't hesitate to visit it
πŸ“Flin, near Nancy
#WRClive #WRCliveES #WRCjp

14.08.2025 15:39 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
Preview
Big revelation from Toyota boss about 2027 regulations – addressed major concern - RallyJournal.com The technical regulations of the World Rally Championship are set to change for the 2027 season.

Interesting comments from Toyota's Technical Director to
RallyJournal.com on the WRC27 Tech Regulations, the main framework of which has already been agreed, although some questions remain open
#WRClive #WRCliveES #WRCjp
rallyjournal.com/major-revela...

07.08.2025 14:42 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

Right, they are the most benefited, but it also gives more room for the Toyota to improve even more...

03.08.2025 14:09 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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The open bonnet of the Hyundai of Ott Tanak at #RallyFinland causing drag but even worse, generating lift as air enters under the bonnet instead of pressuring it down, and front grip can be significantly affected #WRClive #WRCliveES #WRCjp

01.08.2025 14:18 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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The FIA announced today that teams will have 2 additional homologation jokers for chassis development, bringing the total to 6 between 2025 and 2026. So far, Hyundai has used 3 and Toyota 1, according to the latest homologation list published
#WRClive #WRCliveES #WRCjp #RallyFinland

31.07.2025 14:33 πŸ‘ 4 πŸ” 2 πŸ’¬ 1 πŸ“Œ 0
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On the fast stages of #RallyFinland, as in Estonia, it will be critical not to damage the front bumper, splitter or mirrors, as they form the aero package responsible for ensuring downforce (grip) at the front of the car & balance
πŸ“Έ by Teams
#WRClive #WRCliveES #WRCjp

30.07.2025 15:16 πŸ‘ 5 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0