Racecar Engineering The leading motorsport technology publication since 1990 1 Volume 25 Volume 25YEARS OF INSIGHT January 2015 • Vol 25 No1 • www.racecar-engineering.com • UK £5.95 • US $14.50 9 7 7 0 9 6 1 1 0 9 1 0 World Champion! 4 0 Why Mercedes dominated 1 Formula 1 in 2014 NASCAR drafting in CFD W05 Mercedes Sauber C33 January 2015 Sauber C33 Aero investigation Scion Racing tC Swiss F1 team pays the price NASCAR studies what happens Examining the technical for late delivery of power units when stockcars slipstream challenges of US drifting RCE Jan Cover.indd 1 24/11/2014 18:08 NEW The Dry Sump Vacuum Race Hose ProPLUS Xtreme A high flowing, smooth bore, PTFE tube with external convolutions for flexibility. No internal convolutions An engineered design with an that can cause flow restrictions. externally wound stainless steel wire A choice of lightweight braids: that provides great vacuum support XM - XtraTemp Mono or XK - Aramid and tight bend capability. An exceptional achievement in race hose technology... Perhaps perfection. ™ Go to www.xrp.com to learn more about The evolution in FLUID HORSEPOWER continues... the complete XRP ProPLUS Race Hose™ product line. Like us on Follow us on Facebook/XRPinc Instagram @XRPracing USA XRP, Inc.
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[email protected] tel 44 (0) 121 525 5800 fax 44 (0) 121 525 4833 THE XTREME IN RACECAR PLUMBING Untitled-89 1 08/10/2014 14:08 CONTENTS – JANUARY 2015 – Volume 25 Number 1 COVER STORY TECHNICAL 8 Mercedes AMG W05 Hybrid