Below are 2 links on you tube to see videos of kettle corn poppers. The first video ran out of time when recording and had to add the second video to finish showing the product.
90 qt kettle corn popcorn popper video 1 of 2
90 qt kettle corn popcorn popper video 2 of 2
90 qt kettle corn popcorn popper starting instructions on propane burner and 110 volt auto stirrer