Slotless brush motor. (Special Report: Motors & Motion Control Subsystems).

After many years of successfully serving the needs of our customers, HighBeam Research is being retired.

You will have full access to the website until the final date. At that time, customers who have remaining time on their accounts will have a pro-rated credit issued to the credit card on file in your account. If you have saved articles, please log in to your account and export or print any that you wish to keep. Saved searches and search alerts cannot be exported.

While HighBeam Research is ending, our sister website Questia, an award-winning Cengage Learning product, remains available. An academic- and consumer-oriented counterpart to HighBeam Research’s suite of publications, Questia offers:

• More than 94,000 academic books and more than 14 million journal, magazine, and newspaper articles
• Resources selected by librarians and approved by professors
• Credible sources you can cite for researching and referencing
• Time-saving tools with every subscription, empowering customers to store, manage, and organize their research
• Thousands of new articles added daily
• To learn more about Questia, click here