gearing

Purpose of gears:

• reverse direction of rotation

• increase or decrease the speed of rotation

• move another axis

• keep two axis synched

gears

• move power

• keep your noggin' going

2 that are geared for speed

• sports car

• dirtbike

• large tow truck

• ship loader crane

2 that are geared for torque

• sports car

• dirtbike

• large tow truck

• ship loader crane

the space between 2 teeth on a spur gear

• root

• pitch

the depth between 2 teeth on a spur gear

• root

• pitch

used to change direction of drive (there are 2)

• spur gear

• bevel gear

• spocket

• wormwheel

attached to motor

• driven gear

• idle gear

• driving gear

• top gear

attached to final wheel or structure piece

• driven gear

• idle gear

• driving gear

• top gear

in between the driven gear and driving gear

• driven gear

• idle gear

• driving gear

• top gear