Simple Gear Train and Gear Train with Idler - VEX First Build

What are these used for?

• To stack on screws to make them fit

• They just came with the kit and are not useful

• To protect places where metal crosses metal

• To make your gears tight

Which are important to remember about locking collars?

• Get them extra tight

• Don't lose the center

• Use only on screws

• They are pretty

How do you choose which size screw to use?

• Not too long and not too short.

• Use the longest I have

• One that barely fits

• Which one I pick up

Which direction do the teeth of the Keps nut go?

• It does not matter

• Only use with shafts

• With the teeth away from the metal

• With the teeth toward the metal

Which is true of a 1:1 gear ratio?

• The gears are different sizes

• They turn in the same direction

• The gears are the same size

• They require and idler

An idler gear has one job. What is that job?

• To change direction

• To subtract from the gear ratio

• To add to the gear ratio

• To make it look complex

What is a shaft for?

• Making your parts stand apart

• Poking in holes

• Holding the gear

• Decoration

What does a standoff do?

• Holds parts apart at a specific distance

• Holds the gears

• Decoration

• Use when you don't have keps nuts

What is the gear ratio?

• 1:1

• 2:1

• 60:30

• 1:2

What is the gear ratio?

• 1:1

• 2:1:2

• 2:1

• 1:2