SKI LIFT

WHAT ARE THE MAIN PARTS OF THE CHAIR LIFT?

• Chairs are what people sit on
• The cables are what the chairs run on
• The towers are what the cables and chairs run on
• The sheaves are what runs on the cables

BULLWHEELS

• Are the two wheels at the top and bottom of the mountain
• The bullwheel at the bottom is called the drive bullwheel
• The bullwheel at the top is called the return bullwheel

POWER

• Some chair lifts engines run on gas
• They have back up generators

WHAT DOES IT HELP?

• It helps people to not have to walk up the mountain
• It is a faster way of getting up the mountain

WHAT SIMPLE MACHINE IS IT?

• It is a pulley
• A movable pulley

THE END