Straight cut gears and made a little differently than what you'll find on non-racing vehicles. Here's how they work and why ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In the mid-twentieth century, ...

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We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› Advice, staff picks, mythbusting, and more. Let us help you. Published November ...

Synchronizer rings are key components in manual, automatic and dual-clutch transmissions. The rings help align the different speeds of the gears to enable accurate and smooth gear shifting. The ...

Makers, engineers and hobbyists who would like to automatically manufacture a variety of different size plastic gears you might be interested in a unique machine built using a little Arduino hardware, ...