Learn what gear oil is, how it differs from transmission fluid, and why using the right lubricant is crucial for your vehicle ...

The landing gear is key to maintaining an airplane's stability and controllability during ground movement, absorbing loads imposed by the landing or takeoff, and providing a smooth flight and ...

However, the two gears can vary in size to achieve a different gear ratio. An example of this is in a hand drill, where the drive gear is larger than the driven gear. A pillar drill with a rack ...

Not all automatic transmissions are the same. Modern cars could have a standard, dual-clutch, or CVT automatic transmission, but their gear levers would most likely share the standard P ...