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www.highpowermedia.com Rally Race Technology: Volume 1 Rally Race Technology: Volume 2 82 raceengine TECHNOLOGY SPECIALREPORT WORLDRALLYRACETECHNOLOGY2013–VOLUMEONE A special report USA$50,UK £20,EUROPE e 35 BULLETPROOFING Insight into rally car design and construction TWIST AND TURN Transmission and suspension technology investigated RALLY ROCKETS WRC challengers from Ford and Mini profiled 01RRTCOVERNEW.indd 1 11/12/2012 14:48 TECHNICAL INSIGHT Chassis design, data systems and aerodynamics investigated NEW BREED M-Sport Fiesta R5 USA$40,UK £20,EUROPE e 30 ROOKIE CHAMPIONS Polo WRC Profiled A annual report 01RRTv2.indd 1 21/11/2013 10:25 Profile: Fiesta WRC Designed and run by M-Sport, the Fiesta WRC is a truly effective World Rally Car with an interesting development, as Martin Sharp reports Focus: Transmissions Lawrence Butcher examines the demands facing rally transmission designers, from materials and construction to operational and packaging requirements Insight: Designing a rally car Lawrence Butcher examines the unique requirements for a competitive rally car and how they translate into its design Focus: Suspension Martin Sharp considers the wide and varied functions rallying suspension must perform, and how component de- signs have developed Profile: Mini WRC Despite a history of problems the Mini John Cooper Works World Rally Car has proven to be an effective machine, as Martin Sharp explains Tech Review Lawrence Butcher gives a round-up of some of the latest technology developments to hit the stages Insight: Brakes The specific needs facing brake manufacturers Dossier: Fiesta R5 Lawrence Butcher looks at the development of the M-Sport/ Ford Fiesta R5, which is taking the rally market by storm Dossier: Polo WRC The Polo R’s tally of WRC wins in 2013 took everyone by surprise. We explain how the car was developed Racecar Digest: Chevy Sonic Lawrence Butcher checks out the Chevy Sonic, the latest contender in the Global Rallycross Championship Racecar Digest: Escort Mk2 Jon Scoltock reports on how one example of this rallying icon has now been developed to challenge its more modern rivals Insight: Aerodynamics While not a major factor in a rally car’s performance, close attention still needs to be paid to aero performance Tech review: Powertrain FIA regulations have limited rally engine development recently to little more than fine-tuning, but there are gains to be made Focus: Chassis How does a modern rally chassis fulfil its dual role of providing crew safety and car driveability? Jon Scoltock explains Race Technology Reports