Overview

At last - a book for those who like to modify the aerodynamics of their road cars!In this book author Julian Edgar explores a host of practical and low-cost techniques that you can do yourself without spending a lot of money or needing special facilities. Section 1 introduces aerodynamic drag and lift. The language is simple and straightforward - but still includes concepts such as drag co-efficients, lift co-efficients and the different types of drag that affect road cars. Section 2 is devoted to aerodynamic testing - directly measuring aerodynamic pressures, and seeing airflow patterns by the use of on-road wool-tuft testing. Section 3, the largest part in the book, covers aerodynamic modification. Fitting vortex generators, testing different undertrays, reducing drag, using turning vanes in intercooler ducting - all are covered in detail. In addition, techniques are described for reducing wind noise, building an effective engine intake that breathes high-pressure cold air, siting bonnet vents in the correct location, and testing airflow through intercoolers. With nearly 300 full-colour photos and diagrams, this book is practical and down to earth - and uses techniques able to be carried out on the road.

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9781482735253

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Julian Edgar started his working life freelancing for photography magazines. He then worked as a secondary school teacher for eight years, teaching humanities, before leaving teaching and becoming a full-time automotive writer. He edited a national Australian automotive print magazine before becoming editor of AutoSpeed, an online car magazine. Along the way he wrote extensively for Silicon Chip, an electronics hobbyist magazine, while contributing articles to publications in Australia, the UK and the US. He has been aerodynamically modifying his own cars for nearly 25 years. He was the first automotive journalist to extensively wool tuft cars and write about the results (starting in 1989), and use Magnehelic gauges to directly measure aerodynamic pressures (in 2000) - both approaches now widely used by amateurs. Julian lives in a hamlet 80 kilometres north of Canberra, Australia. He spends much of the week playing in his home workshop - for the rest of the time, he trains government Public Servants in high level writing skills. Other books by the author: 21st Century Performance, Clockwork Media, 2000 High Performance Electronics for Cars, Silicon Chip Publications, 2004, (co-authored with John Clarke) Inventors and Amateur Engineers Sourcebook, CreateSpace, 2013 Home Workshop Sourcebook, CreateSpace, 2013 Hybrid and Electric Cars Amateurs Sourcebook, CreateSpace, 2013

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