9781422274743

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Extra Credit A college racing team from California State University improved engine performance by 43 percent by redesigning an engine part using Carbon DLS 3-D printing techn logy. They replaced the old metal engine manifold with a new lighter carbon fiber manifold, so balance was better and speed was improved. The new material was very strong and flame resistant, too. Airflow was optimized. The team achieved its personal best at the Society of Automotive Engineers (SAE) student design competition. Restrictor Plate Rule Since 1987, NASCAR has used restrictor plates at both the Daytona and Talladega tracks to reduce speeds after driver Bobby Allison’s car went airborne into the Talladega catch fencing after blowing a tire at 200 miles per hour (mph). A restrictor plate restricts the passage of air through the engine to reduce horsepower.

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Series Glossary Of Key Terms: This back-of-the-book glossary c used throughout this series. Words found here increase the read comprehend higher-level books and articles in this field. Words To Understand: Thes words with t the reader’s understanding of the text whil KEY ICONS TO LOOK FOR:

Sidebars: This boxed material within the m gain insights, explore possibilities, and bro additional information to provide realistic a Educational Videos: Readers can view vid with additional educational content to sup coverage, moments in history, speeches, ic

See how a NASCAR engine is made.

Text-Dependent Questions: These questi careful attention to the evidence presente

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Series Glossary Of Key Terms: This back- used throughout this series. Words found h comprehend higher-level books and article

12 CONNECTING STEM AND SPORTS | AUTO RACING