first gear is also known as "granny gear" because it helps the vehicle get going. after that the rest of the gears just do their thing. first gear is also used for going up or down steep inclines at slow speed to avoid possible damage to the transmission or the engine (for running at too high rpm).
gears are used to transmit power and motion
Planetary gears can be spur or helical gears.
The first in Karen Traviss' series is Gears of War: Aspho Fields.
mostly helical gears !1.
There are three main types of gear combinations used in mechanical systems: spur gears, helical gears, and bevel gears. Spur gears have straight teeth and are used for simple applications. Helical gears have angled teeth for smoother operation and higher loads. Bevel gears have cone-shaped teeth and are used to change the direction of rotation.
There have been several early mechanical constructions which have employed gears. Some of these used wooden rods for the teeth of the gears. See the related link for an image.
Gears were invented in 27th century B.C. One of the first types of gears created was to rotate wheels for chariots.
Gears are used to make pieces of items or objects rotate. They are used in a majority of machines available.
Bevel gears can be used to change the direction of drive in a gear system by 90 degrees
The typical motorized scooters only has four gears usually. The gears are usually foot operated gears and the first motorized scooter was made in 1950.
In a sliding gearshift mechanism, typically the gears controlled include first gear, second gear, third gear, and sometimes reverse gear. The driver manually selects these gears by sliding the gearshift lever back and forth.
Let's wait for gears of war 3 to at least be announced first.