Small DC motors are easy to find — you can harvest dozens from old printers and copiers. You might even get a few with decent gearboxes too. But will you get exactly the motor with exactly the gearing ...

Even before the Industrial Revolution, gears of one kind or another have been put to work both for and against us. From ancient water wheels and windmills that ground grain and pounded flax, to the ...

FORT CARSON, Colo. -- Sweat and grime soaked Soldiers limped into the 2nd Squadron, 1st Cavalry Regiment, 1st Stryker Brigade Combat Team, 4th Infantry Division, motor pool bearing hulking rucks upon ...

This article was updated Feb. 28, 2023. It was originally published March 1, 2000. Planetary gears can supply high levels of torque and high-speed reduction. They are also relatively compact compared ...

This file type includes high-resolution graphics and schematics when applicable. The 3rd Edition of Dudleyâ s Handbook of Practical Gear Design and Manufacture by Stephen P. Radzevich is a great ...

Different gears like spur, bevel, worm and wormwheel, rack and pinion, meshed gears, and threaded bars serve various purposes. When selecting a gear system, consider speed, direction, force, space, ...