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Amateur Car Aerodynamics Sourcebook: For everyone interested in road car aerodynamics Paperback – March 22, 2013
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"As practical and easy to understand as it's ever going to get for the layman." - Michael Colton, Amazon book purchaser
"Very practical information based on actual experience on improving the aerodynamics of cars. Compulsory reading for anyone doing this. Also covers basic theory at a level that practical people can understand. Quite readable, too. Has helped me get another 10% mileage from my Prius." - Chris Ogilvie, Amazon book purchaser
"This book is different to the normal aerodynamics book. Others books focus on CFD or wind tunnel testing with lot's of math theory. Which is great if you have the big bucks but next to useless for the backyarder. This book however give a practical how too for the enthusiast. Shows practical and simply ways to test ideas and show that not all the ideas work. The book concentrates on road going sedans with the focus on drag rather than just downforce." - Ian Diven, Amazon book purchaser
From the Author
This book reflects my experience of playing with the aerodynamics of road cars for more than 25 years.
When I first started being interested in automotive aerodynamics, it seemed you could do nothing without a hugely expensive wind tunnel. I didn't have one of those, so I started by attaching wool tufts all over a car and then driving it down the road, a friend video-ing the behaviour of the tufts. What this testing showed was so amazingly bad that I started modifying the car to get better flow. That was successful.
Over the years, I moved on to directly measuring aerodynamic pressures on cars to get a better feeling for what was happening. That led me to improving the airflow through radiators, oil coolers and intercoolers. As standard, one of my cars had zero actual airflow through the intercooler scoop - not all scoops actually work! Modifications to the engine compartment under-tray dramatically improved the scoop's measured airflow, and so improved the efficiency of the intercooler located in the engine bay.
I've fitted undertrays where previously there were none, have changed the airflow pattern over the car to reduce drag, have trialled vortex generators (quite successfully), have fitted turning vanes in ducts to improve airflow - and lots more.
In this book I show you what I have done, what worked - and what did not. If you are interested in changing the aerodynamic behaviour of your car by using simple but highly effective techniques, I don't think you'll find better information to help you.
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Update: Feedback from author states that also publish this information on the web, changed to 5 stars.
I have a 2013 Impala, rated for 30 mpg highway. I added a ram scoop via fog light in the bumper(in the works), smooth out the fog light on the passage side, taped over the dimples for the door handles, sealed the spaces around the front and back window. In the the works, added 1 inch high fins (using 3D printer) from the trunk to the front window to kill the A & C-pillar vortex.
Doing that got me 39 mpg from PA to Boston (60-65 mph)
next projects: improve the airflow for the wheel rims, add deflectors for the wiper blades, improve outside mirror airflow.
Projected savings: $8,000 for the next ten years.
Mitsubishi Motors of paper we have unauthorized diversion . This is a criminal act of copyright violation .
Original information in this book has not been anything published
This book however give a practical how too for the enthusiast. Shows practical and simply ways to test ideas and show that not all the ideas work. The book concentrates on road going sedans with the focus on drag rather than just downforce.