[pilleya]

Originally Posted by MoistRobot

I strongly recommend the JVN Mechanical Design Calculator.

Go to the linear motion tab, and put in the variables that you would like such as distance of raising, speed of raising and pulley size. It will help you identify the type of motor(s) that you will require and the gear reduction you will need to ensure adequate torque.

If you need help or you want me to double check your calculations just PM me