The leading motorsport technology publication since 1990 Special digital edition • July 2016 • www.racecar-engineering.com World of rally E
[email protected] CONTENTS Contents 4 HYUNDAI 20 DANNY i20 R5 under the spotlights Slip angles on gravel 12 PEUGEOT 2008 DKR 26 RALLY 2017 Rally raid Dakar winner What’s that coming over the hill? 18 ABARTH Produced by Andrew Cotton, Sam Collins, Lightweight rallying Mike Breslin and Dave Oswald RALLY 2016 DIGITAL SPECIAL 3 R5 - HYUNDAI I20 4 RALLY 2016 DIGITAL SPECIAL he FIA’s car and component cost-capped R5 regulations define competition cars which may appear ostensibly similar to World Rally Cars, but these machines are in fact Tone tier down from the WRC top level. They do have a similar powertrain layout to the current WRCs, with Hy’ Five passive front and rear differentials and no centre diff Hyundai’s i20 R5 is the latest in in their four-wheel-drive system. They can also have a turbocharged engine up to 1620cc, but this must a string of customer sport rally be based on a manufacturer’s production engine – hence WRC-style ‘Global’ engines are not allowed. The cars to roll out of manufacturers’ turbocharger must also be from a production car, while just five forward gear ratios are allowed with one final workshops. But will it be able take drive ratio. Suspension must be MacPherson strut, and the fight to M-Sport and Skoda all four uprights must be identical. Beyond these headline points, the R5 regulations out on the stages? are actually quite complex, incorporating maximum prices for components and assemblies, aimed at By MARTIN SHARP producing a highest price of €180,000 for a new asphalt specification R5 car before tax and registration costs – although FIA Appendix J still allows for free options in the areas of seats, batteries and the like.