Gear lab

Trade speed for pulling force.

Change either gear and see exactly what happens.

Open Engine Lab

Mission 1 of 3

Speed run

Make the driven gear turn three times for every drive-gear turn.

Choose two gears, then check it.

Drive gear24 teeth

Driven gear24 teeth

One-to-one1× output speed

Both gears spin at the same speed with the same idealized turning force.

Drive gear

Driven gear

Output speed

1×

Ideal turning force

1×

Count the turns12 drive-gear turns make the driven gear turn 12 times.Simplified ideal gear pair: no friction, flexible parts, differential or other transmission gears.