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Traction influence on rallycross start performance
2016 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The start is one of the most important parts in a rallycross heat. To be ahead of the competitors into the first corner means many advantages and during the 2015 FIA WRX season, 75% of the fastest cars off the start grid also won the heat. The main goal with this master thesis work is to improve the start performance of the EKS team’s two Audi S1 rallycross cars. This report will investigate if there is a relationship between measured friction on the start grid, start rpm and rev drop. It would be desired to find a relationship between these parameters to improve the start performance. During the season it has been proven that a desirable rev drop is 4200 rpms to achieve optimum start performance. Different track conditions have made it difficult to reach this value with consistency and therefore will this report aim to increase the understanding for these relationships and make the start procedure more repeatable. It has also been verified that the reaction time of the driver has a significant role in the outcome of the start. Since the margins in performance between the cars are so small, a quick reaction time can save a bad start. The development of the start performance will be continued during the 2016 season and this work will be a base for the future development.

Place, publisher, year, edition, pages
2016. , 48 p.
Keyword [en]
Technology, Rallycross, friction measurements, start performance, rev drop, start rpm
Keyword [sv]
Teknik
Identifiers
URN: urn:nbn:se:ltu:diva-44479Local ID: 2457d49e-46d1-4d1d-bea7-b1f647d0299eOAI: oai:DiVA.org:ltu-44479DiVA: diva2:1017758
Subject / course
Student thesis, at least 30 credits
Educational program
Mechanical Engineering, master's level
Examiners
Note
Validerat; 20160222 (global_studentproject_submitter)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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Citation style
  • apa
  • ieee
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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  • text
  • asciidoc
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