Gear-driven drawworks have gained greater acceptance in the drilling industry. They achieve improved safety, optimal performance and control, considerable weight re duction, and increased reliability ...

Add Yahoo as a preferred source to see more of our stories on Google. Two spinners inside a circular container and surrounded by liquid with bubbles that help to visualize the flows. The left spinner ...

On the left is the gear-drive cam and its distributor drive gear, while the pair on the right are for conventional chain drive. Notice the different helix angle of the gears. Shown here are the cam ...

In the early days of 4x4s, transfer cases like the Spicer 18, Dana 300, and NP205 were the norm. These cases all feature iron cases and are gear-driven for incredibly strength, but as manufacturers ...