The Derailleur gear system moves the bicycle chain between different gears on both the crank and rear sprocket gearsets. This is achieved by displacing the chain sideways so that it 'jumps' from one ...

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 ...

All of these transmissions utilize modular design architecture to allow for different gear ratios to suit different tracks (minus fourth gear, which is always a 1:1 ratio), as well as an internal ...

Kat Dennings Is Inherently Pessimistic, But Hopeful For Season 2. Having previously starred in 2 Broke Girls, which was infamously canceled by CBS without giving fans closure on i ...